of phthalocyanines

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CPC
C09B67/0016

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CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES C09B67/00Influencing the physical

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C09B67/0016of phthalocyanines

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Chlorinated copper phthalocyanine pigments
- Patent number 11,059,978
- Issue date Jul 13, 2021
- Sun Chemical Corporation
- Pamela M. Visintin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrophotographic photoreceptor, process cartridge, and image for...
- Patent number 10,409,179
- Issue date Sep 10, 2019
- Fuji Xerox Co., Ltd.
- Masahiko Miyamoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic pigment composition for color filters, method for producing...
- Patent number 10,247,863
- Issue date Apr 2, 2019
- DIC Corporation
- Shogo Yamada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine crystal, and electrophotographic photoreceptor, elec...
- Patent number 10,095,135
- Issue date Oct 9, 2018
- Mitsubishi Chemical Corporation
- Mitsuo Wada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine crystal, and electrophotographic photoreceptor, elec...
- Patent number 9,835,961
- Issue date Dec 5, 2017
- Mitsubishi Chemical Corporation
- Mitsuo Wada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for producing nanoparticles
- Patent number 9,481,796
- Issue date Nov 1, 2016
- M. Technique Co., Ltd.
- Masakazu Enomura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Phthalocyanine crystal, and electrophotographic photoreceptor, elec...
- Patent number 9,296,899
- Issue date Mar 29, 2016
- Mitsubishi Chemical Corporation
- Mitsuo Wada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of producing gallium phthalocyanine crystal and method of pr...
- Patent number 9,068,083
- Issue date Jun 30, 2015
- Canon Kabushiki Kaisha
- Masato Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of producing gallium phthalocyanine crystal and method of pr...
- Patent number 9,034,554
- Issue date May 19, 2015
- Canon Kabushiki Kaisha
- Masato Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electrophotographic photosensitive member, method of producing phth...
- Patent number 8,974,991
- Issue date Mar 10, 2015
- Canon Kabushiki Kaisha
- Masataka Kawahara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine crystal, and electrophotographic photoreceptor, elec...
- Patent number 8,846,282
- Issue date Sep 30, 2014
- Mitsubishi Chemical Corporation
- Mitsuo Wada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oxo-titanylphthalocyanine crystal, method for producing the same an...
- Patent number 8,686,133
- Issue date Apr 1, 2014
- Kyocera Document Solutions Inc.
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oxo-titanylphthalocyanine crystal, method for producing the same, a...
- Patent number 8,242,261
- Issue date Aug 14, 2012
- Kyocera Mita Corporation
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Processes for the preparation of high sensitivity titanium phthaloc...
- Patent number 7,947,417
- Issue date May 24, 2011
- Xerox Corporation
- Jin Wu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Titanyl phthalocyanin crystal, method for preparing the same and el...
- Patent number 7,855,286
- Issue date Dec 21, 2010
- Kyocera Mita Corporation
- Junichiro Otsubo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing pigment complex and pigment-containing compos...
- Patent number 7,686,880
- Issue date Mar 30, 2010
- Canon Kabushiki Kaisha
- Kenji Yamada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Highly concentrated flowable pigment composition and process for it...
- Patent number 7,550,041
- Issue date Jun 23, 2009
- Ciba Specialty Chemicals Corporation
- Thomas Healy
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for the production of phthalocyanine pigment preparations
- Patent number 7,459,016
- Issue date Dec 2, 2008
- Clariant Produkte (Deutschland) GmbH
- Klaus Brychcy
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Titanylphthalocyanine crystal and method of producing the titanylph...
- Patent number 7,419,751
- Issue date Sep 2, 2008
- Ricoh Company, Ltd.
- Tatsuya Niimi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for distortion-free pigmentation of partly-crystalline plast...
- Patent number 7,348,372
- Issue date Mar 25, 2008
- Clariant Produkte (Deutschland) GmbH
- Hans Joachim Metz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phthalocyanine pigments with neutral metallic down flop
- Patent number 7,323,046
- Issue date Jan 29, 2008
- Sun Chemical Corporation
- Bethany J. Wolf
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for the production of β type copper phthalocyanine pigment...
- Patent number 7,255,733
- Issue date Aug 14, 2007
- Toyo Ink Mfg. Co., Ltd.
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine pigment preparations
- Patent number 7,255,734
- Issue date Aug 14, 2007
- Clariant Produkte (Deutschland) GmbH
- Klaus Brychcy
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of epsilon crystal form copper phthalocy...
- Patent number 7,211,664
- Issue date May 1, 2007
- Toyo Ink Mfg. Co., Ltd.
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Copper phthalocyanine/iodine intermolecular compound and process fo...
- Patent number 7,067,652
- Issue date Jun 27, 2006
- Toyo Ink Mfg. Co., Ltd.
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of β type copper phthalocyanine pigment
- Patent number 6,860,934
- Issue date Mar 1, 2005
- Toyo Ink Mfg. Co., Ltd.
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Chlorinated copper phthalocyanine pigments
- Patent number 6,794,504
- Issue date Sep 21, 2004
- BASF Aktiengesellschaft
- Ingo Klopp
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine, process for producing the same and electrophotograp...
- Patent number 6,485,658
- Issue date Nov 26, 2002
- Mitsubishi Paper Mills, Limited
- Tamotsu Horiuchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine compounds, process for production thereof and electr...
- Patent number 6,472,524
- Issue date Oct 29, 2002
- Canon Kabushiki Kaisha
- Masato Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing β-phase copper phthalocyanine pigment
- Patent number 6,379,450
- Issue date Apr 30, 2002
- Sun Chemical Corporation
- Michael J. Willis
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PRODUCING COLORANT, PIGMENT COMPOSITION, AND AQUEOUS PIGM...
- Publication number 20220195198
- Publication date Jun 23, 2022
- DIC CORPORATION
- Shoichi Hotate
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DYE INK COMPOSITION, CYAN DYE INK, DYE INK FOR INK JET RECORDING, I...
- Publication number 20220169859
- Publication date Jun 2, 2022
- FUJIFILM CORPORATION
- Keiichi TATEISHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CHLORINATED COPPER PHTHALOCYANINE PIGMENTS
- Publication number 20200109291
- Publication date Apr 9, 2020
- SUN CHEMICAL CORPORATION
- Pamela M. Visintin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC PIGMENT COMPOSITION FOR COLOR FILTERS, METHOD FOR PRODUCING...
- Publication number 20180095205
- Publication date Apr 5, 2018
- DIC CORPORATION
- Shogo Yamada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELEC...
- Publication number 20170336724
- Publication date Nov 23, 2017
- MITSUBISHI CHEMICAL CORPORATION
- Mitsuo WADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING NANOPARTICLES
- Publication number 20150110709
- Publication date Apr 23, 2015
- M. Technique Co., Ltd.
- Masakazu Enomura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING PHTH...
- Publication number 20130137025
- Publication date May 30, 2013
- Canon Kabushiki Kaisha
- Masataka Kawahara
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL AND METHOD OF PR...
- Publication number 20130137032
- Publication date May 30, 2013
- Canon Kabushiki Kaisha
- Masato Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Oxo-Titanylphthalocyanine Crystal, Method for Producing the Same an...
- Publication number 20120296082
- Publication date Nov 22, 2012
- KYOCERA MITA CORPORATION
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING NANOPARTICLES
- Publication number 20120283447
- Publication date Nov 8, 2012
- Masakazu Enomura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELEC...
- Publication number 20120257907
- Publication date Oct 11, 2012
- MITSUBISHI CHEMICAL CORPORATION
- Mitsuo WADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Oxo-titanylphthalocyanine crystal, method for producing the same, a...
- Publication number 20110046392
- Publication date Feb 24, 2011
- KYOCERA MITA CORPORATION
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELEC...
- Publication number 20100232830
- Publication date Sep 16, 2010
- MITSUBISHI CHEMICAL CORPORATION
- Mitsuo Wada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Titanyl phthalocyanin crystal, method for preparing the same and el...
- Publication number 20100081073
- Publication date Apr 1, 2010
- KYOCERA MITA CORPORATION
- Junichiro Otsubo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
TITANYLPHTHALOCYANINE CRYSTAL AND METHOD OF PRODUCING THE TITANYLPH...
- Publication number 20080286008
- Publication date Nov 20, 2008
- Tatsuya NIIMI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method For Treating Phthalocyanine Pigments For the Weatherable and...
- Publication number 20080108735
- Publication date May 8, 2008
- Matthias Ganschow
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PHTHALOCYANINE PIGMENTS WITH NEUTRAL METALLIC DOWN FLOP
- Publication number 20080035026
- Publication date Feb 14, 2008
- SUN CHEMICAL CORPORATION
- Bethany J. Wolf
- B82 - NANO-TECHNOLOGY
Information Patent Application
Oxo-titanylphthalocyanine crystal, method for producing the same, a...
- Publication number 20080026310
- Publication date Jan 31, 2008
- Daisuke Kuboshima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Highly Concentrated Flowable Pigment Composition And Process For It...
- Publication number 20070289501
- Publication date Dec 20, 2007
- Thomas Healy
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Finishing Treatment Of Pigments In Ionic Liquids
- Publication number 20070215007
- Publication date Sep 20, 2007
- CLARIANT GmbH
- Gerald Mehltretter
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Titanyl phthalocyanin crystal, method for preparing the same and el...
- Publication number 20070111123
- Publication date May 17, 2007
- Junichiro Otsubo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Hydroxygallium phthalocyanines
- Publication number 20060286468
- Publication date Dec 21, 2006
- Xerox Corporation.
- John S. Chambers
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method for distortion-free pigmentation of partly-crystalline plast...
- Publication number 20060155014
- Publication date Jul 13, 2006
- Hans Joachim Metz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Phthalocyanine pigment preparations
- Publication number 20060137573
- Publication date Jun 29, 2006
- Klaus Brychcy
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method for the production of phthalocyanine pigment preparations
- Publication number 20060112856
- Publication date Jun 1, 2006
- Klaus Brychcy
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Processes for the preparation of high sensitivity titanium phthaloc...
- Publication number 20060105254
- Publication date May 18, 2006
- Xerox Corporation.
- Jin Wu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for producing pigment complex and pigment-containing compos...
- Publication number 20060060109
- Publication date Mar 23, 2006
- Canon Kabushiki Kaisha
- Kenji Yamada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Copper phthalocyanine/iodine intermolecular compound and process fo...
- Publication number 20050215779
- Publication date Sep 29, 2005
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for the production of epsilon crystal form copper phthalocy...
- Publication number 20050215780
- Publication date Sep 29, 2005
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for the production of beta type copper phthalocyanine pigme...
- Publication number 20040260083
- Publication date Dec 23, 2004
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

of phthalocyanines

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Chlorinated copper phthalocyanine pigments

Electrophotographic photoreceptor, process cartridge, and image for...

Organic pigment composition for color filters, method for producing...

Phthalocyanine crystal, and electrophotographic photoreceptor, elec...

Phthalocyanine crystal, and electrophotographic photoreceptor, elec...

Method for producing nanoparticles

Phthalocyanine crystal, and electrophotographic photoreceptor, elec...

Method of producing gallium phthalocyanine crystal and method of pr...

Method of producing gallium phthalocyanine crystal and method of pr...

Electrophotographic photosensitive member, method of producing phth...

Phthalocyanine crystal, and electrophotographic photoreceptor, elec...

Oxo-titanylphthalocyanine crystal, method for producing the same an...

Oxo-titanylphthalocyanine crystal, method for producing the same, a...

Processes for the preparation of high sensitivity titanium phthaloc...

Titanyl phthalocyanin crystal, method for preparing the same and el...

Process for producing pigment complex and pigment-containing compos...

Highly concentrated flowable pigment composition and process for it...

Method for the production of phthalocyanine pigment preparations

Titanylphthalocyanine crystal and method of producing the titanylph...

Method for distortion-free pigmentation of partly-crystalline plast...

Phthalocyanine pigments with neutral metallic down flop

Process for the production of β type copper phthalocyanine pigment...

Phthalocyanine pigment preparations

Process for the production of epsilon crystal form copper phthalocy...

Copper phthalocyanine/iodine intermolecular compound and process fo...

Process for the production of β type copper phthalocyanine pigment

Chlorinated copper phthalocyanine pigments

Phthalocyanine, process for producing the same and electrophotograp...

Phthalocyanine compounds, process for production thereof and electr...

Process for producing &#x03B2;-phase copper phthalocyanine pigment

Patents Applicationslast 30 patents

METHOD OF PRODUCING COLORANT, PIGMENT COMPOSITION, AND AQUEOUS PIGM...

DYE INK COMPOSITION, CYAN DYE INK, DYE INK FOR INK JET RECORDING, I...

CHLORINATED COPPER PHTHALOCYANINE PIGMENTS

ORGANIC PIGMENT COMPOSITION FOR COLOR FILTERS, METHOD FOR PRODUCING...

PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELEC...

METHOD FOR PRODUCING NANOPARTICLES

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING PHTH...

METHOD OF PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL AND METHOD OF PR...

Oxo-Titanylphthalocyanine Crystal, Method for Producing the Same an...

METHOD FOR PRODUCING NANOPARTICLES

PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELEC...

Oxo-titanylphthalocyanine crystal, method for producing the same, a...

PHTHALOCYANINE CRYSTAL, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELEC...

Titanyl phthalocyanin crystal, method for preparing the same and el...

TITANYLPHTHALOCYANINE CRYSTAL AND METHOD OF PRODUCING THE TITANYLPH...

Method For Treating Phthalocyanine Pigments For the Weatherable and...

PHTHALOCYANINE PIGMENTS WITH NEUTRAL METALLIC DOWN FLOP

Oxo-titanylphthalocyanine crystal, method for producing the same, a...

Highly Concentrated Flowable Pigment Composition And Process For It...

Finishing Treatment Of Pigments In Ionic Liquids

Titanyl phthalocyanin crystal, method for preparing the same and el...

Hydroxygallium phthalocyanines

Method for distortion-free pigmentation of partly-crystalline plast...

Phthalocyanine pigment preparations

Method for the production of phthalocyanine pigment preparations

Processes for the preparation of high sensitivity titanium phthaloc...

Process for producing pigment complex and pigment-containing compos...

Copper phthalocyanine/iodine intermolecular compound and process fo...

Process for the production of epsilon crystal form copper phthalocy...

Process for the production of beta type copper phthalocyanine pigme...

Process for producing β-phase copper phthalocyanine pigment