Mixtures of quinacridones

Industry

CPC
C09B67/0036

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Parent Industries

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

Current Industry

C09B67/0036Mixtures of quinacridones

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for producing quinacridone solid solution pigment, pigment d...
- Patent number 11,773,267
- Issue date Oct 3, 2023
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Naoto Kamata
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for producing quinacridone solid solution pigment, pigment d...
- Patent number 11,535,755
- Issue date Dec 27, 2022
- Dainichiseika Color & Chemicals Mfg. Co. Ltd.
- Naoto Kamata
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Quinacridone pigment composition for coloring resins
- Patent number 10,526,491
- Issue date Jan 7, 2020
- DIC Corporation
- Shingo Saitou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Quinacridone pigment of low amine content and method for producing...
- Patent number 9,902,857
- Issue date Feb 27, 2018
- DIC Corporation
- Kazuhiro Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Methods for producing aqueous pigment dispersion liquid and water-b...
- Patent number 9,815,986
- Issue date Nov 14, 2017
- DIC Corporation
- Masahiro Kido
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for producing water-based pigment dispersion liquid and wate...
- Patent number 9,688,860
- Issue date Jun 27, 2017
- DIC Corporation
- Masahiro Kido
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Active energy ray-curable inkjet magenta ink composition
- Patent number 9,109,130
- Issue date Aug 18, 2015
- Toyo Ink SC Holdings Co., Ltd.
- Yohei Konda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Magenta quinacridone pigments
- Patent number 8,968,454
- Issue date Mar 3, 2015
- Clariant Finance (BVI) Limited
- Gemma Solduga Ramirez
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pigment dispersions with polymeric dispersants having pending chrom...
- Patent number 8,759,441
- Issue date Jun 24, 2014
- Agfa Graphics NV
- Johan Loccufier
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surface-modified pigment compositions
- Patent number 8,753,550
- Issue date Jun 17, 2014
- BASF SE
- Céline Vairon
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparing and dispersing surface-modified colour pigments
- Patent number 8,435,341
- Issue date May 7, 2013
- Agfa-Gevaert N.V.
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Crystal forms of quinacridones made from 2,9-dimethoxyquinacridone...
- Patent number 8,430,954
- Issue date Apr 30, 2013
- Sun Chemical Corporation
- Brian Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Preparing and dispersing surface-modified colour pigments
- Patent number 8,313,576
- Issue date Nov 20, 2012
- Agfa-Gevaert N.V.
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink jet recording method, ink cartridge, and ink jet recording...
- Patent number 8,273,168
- Issue date Sep 25, 2012
- Canon Kabushiki Kaisha
- Hiroshi Kakikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink, ink jet recording method, ink cartridge, and ink jet recording...
- Patent number 8,216,355
- Issue date Jul 10, 2012
- Canon Kabushiki Kaisha
- Masako Udagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Crystal forms of quinacridones made from 2,9-dimethoxyquinacridone...
- Patent number 8,197,592
- Issue date Jun 12, 2012
- Sun Chemical Corp.
- Brian Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dispersion of a water-insoluble colorant, production method thereof...
- Patent number 8,133,312
- Issue date Mar 13, 2012
- FUJIFILM Corporation
- Ryo Saito
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Non-aqueous quinacridone dispersions using dispersion synergists
- Patent number 8,084,091
- Issue date Dec 27, 2011
- Agfa Graphics NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pigments for non-aqueous inks and coatings
- Patent number 7,901,503
- Issue date Mar 8, 2011
- Sun Chemical Corporation
- Stanislav Vilner
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-based pigment dispersion for ink-jet recording, ink compositi...
- Patent number 7,691,193
- Issue date Apr 6, 2010
- Dainippon Ink and Chemicals, Inc.
- Shinichi Okada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Non-aqueous pigment dispersions using dispersion synergists
- Patent number 7,648,571
- Issue date Jan 19, 2010
- Agfa Graphics NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Non-aqueous inkjet inks of quinacridone pigments
- Patent number 7,648,570
- Issue date Jan 19, 2010
- Agfa Graphics NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Quinacridone derivatives for pigment dispersions
- Patent number 7,585,364
- Issue date Sep 8, 2009
- Agfa Graphics NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
2,9-dichloro-quinacridone as α-quinacridone crystal phase inhibitor
- Patent number 7,419,542
- Issue date Sep 2, 2008
- Ciba Specialty Chemicals Corporation
- Yingxia He
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Acid Red 82 in mixtures
- Patent number 7,193,085
- Issue date Mar 20, 2007
- LANXESS Deutschland GmbH
- Thomas Sommermann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Quinacridone pigment compositions comprising unsymmetrically substi...
- Patent number 7,166,158
- Issue date Jan 23, 2007
- Ciba Specialty Chemicals Corporation
- Valentina K. Mitina
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for aqueous milling of quinacridone pigments
- Patent number 7,122,081
- Issue date Oct 17, 2006
- Ciba Specialty Chemicals Corporation
- Yingxia He
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhib...
- Patent number 7,101,428
- Issue date Sep 5, 2006
- Ciba Specialty Chemicals Corporation
- Yingxia He
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Synthesis of small particle size quinacridone of beta crystal phase
- Patent number 6,987,186
- Issue date Jan 17, 2006
- Ciba Specialty Chemicals Corp.
- Damien Thurber Cole
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Rheology improvers and pigment compositions having improved rheology
- Patent number 6,827,774
- Issue date Dec 7, 2004
- Ciba Specialty Chemicals Corporation
- Philippe Bugnon
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
MAGENTA PIGMENT DISPERSANTS
- Publication number 20230151236
- Publication date May 18, 2023
- Hewlett-Packard Development Company, L.P.
- Marcos A. Barreto Caban
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING QUINACRIDONE SOLID SOLUTION PIGMENT, PIGMENT D...
- Publication number 20220275214
- Publication date Sep 1, 2022
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Naoto KAMATA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INKJET INK COMPOSITION
- Publication number 20210189160
- Publication date Jun 24, 2021
- Hewlett-Packard Development Company, L.P.
- Sundar Vasudevan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
BLACK INKJET INK COMPOSITION
- Publication number 20210155815
- Publication date May 27, 2021
- Hewlett-Packard Development Company, L.P.
- Sundar Vasudevan
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
AQUEOUS PIGMENT DISPERSIONS
- Publication number 20200131372
- Publication date Apr 30, 2020
- Hewlett-Packard Development Company, L.P.
- Dennis Z. Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING QUINACRIDONE SOLID SOLUTION PIGMENT, PIGMENT D...
- Publication number 20200062965
- Publication date Feb 27, 2020
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Naoto KAMATA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
QUINACRIDONE PIGMENT COMPOSITION FOR COLORING RESINS
- Publication number 20180346730
- Publication date Dec 6, 2018
- DIC CORPORATION
- Shingo Saitou
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING MICROPARTICLES
- Publication number 20170246595
- Publication date Aug 31, 2017
- M. Technique Co., Ltd.
- Masakazu ENOMURA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR PRODUCING AQUEOUS PIGMENT DISPERSION LIQUID AND WATER-B...
- Publication number 20160160050
- Publication date Jun 9, 2016
- DIC CORPORATION
- Masahiro Kido
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ACTIVE ENERGY RAY-CURABLE INKJET MAGENTA INK COMPOSITION
- Publication number 20140224150
- Publication date Aug 14, 2014
- TOYO INK CO., LTD.
- Yohei Konda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
New Magenta Quinacridone Pigments
- Publication number 20130029265
- Publication date Jan 31, 2013
- CLARIANT FINANCE (BVI) LIMITED
- Gemma Solduga Ramirez
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
NOVEL CRYSTAL FORMS OF QUINACRIDONES MADE FROM 2,9-DIMETHOXYQUINACR...
- Publication number 20120260823
- Publication date Oct 18, 2012
- Brian Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING WATER-BASED PIGMENT DISPERSION LIQUID AND WATE...
- Publication number 20120220703
- Publication date Aug 30, 2012
- DIC CORPORATION
- Masahiro Kido
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PREPARING AND DISPERSING SURFACE-MODIFIED COLOUR PIGMENTS
- Publication number 20120199044
- Publication date Aug 9, 2012
- AGFA-GEVAERT N.V.
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PREPARING AND DISPERSING SURFACE-MODIFIED COLOUR PIGMENTS
- Publication number 20120202927
- Publication date Aug 9, 2012
- AGFA-GEVAERT N.V.
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SURFACE-MODIFIED PIGMENT COMPOSITIONS
- Publication number 20120126184
- Publication date May 24, 2012
- BASF SE
- Celine Vairon
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Novel Crystal Forms of Quinacridones Made from 2,9-Dimethoxyquinacr...
- Publication number 20110209643
- Publication date Sep 1, 2011
- SUN CHEMICAL CORPORATION
- Brian Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method of preparing modified colored pigments
- Publication number 20110011307
- Publication date Jan 20, 2011
- Alexander I. Shakhnovich
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK JET RECORDING METHOD, INK CARTRIDGE, AND INK JET RECORDING...
- Publication number 20100201769
- Publication date Aug 12, 2010
- Canon Kabushiki Kaisha
- Hiroshi Kakikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK, INK JET RECORDING METHOD, INK CARTRIDGE, AND INK JET RECORDING...
- Publication number 20100201768
- Publication date Aug 12, 2010
- Canon Kabushiki Kaisha
- Masako Udagawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Pigments for Non-Aqueous Inks and Coatings
- Publication number 20100126378
- Publication date May 27, 2010
- Stanislav Vilner
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FLUORINE-CONTAINING QUINACRIDONES IN COLOUR FILTERS FOR LCDs
- Publication number 20100092887
- Publication date Apr 15, 2010
- Lanxess Deutschland GmbH
- ULRICH FELDHUES
- G02 - OPTICS
Information Patent Application
Dispersion of a water-insoluble colorant, production method thereof...
- Publication number 20090117349
- Publication date May 7, 2009
- FUJIFILM CORPORATION
- Ryo Saito
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Quinacridone Derivatives for Pigment Dispersions
- Publication number 20080314285
- Publication date Dec 25, 2008
- AGFA GRAPHICS NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Non-Aqueous Quinacridone Dispersions Using Dispersion Synergists
- Publication number 20080305261
- Publication date Dec 11, 2008
- AGFA GRAPHICS NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Non-Aqueous Inkjet Inks of Quinacridone Pigments
- Publication number 20080295734
- Publication date Dec 4, 2008
- AGFA GRAPHICS NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Non-Aqueous Pigment Dispersions Using Dispersion Synergists
- Publication number 20080269381
- Publication date Oct 30, 2008
- AGFA GRAPHICS NV
- Geert Deroover
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Pigment Dispersions with Polymeric Dispersants Having Pending Chrom...
- Publication number 20080227894
- Publication date Sep 18, 2008
- AGFA GRAPHICS NV
- Johan Loccufier
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Pigment Dispersions with Polymeric Dispersants Having Pending Chrom...
- Publication number 20080207803
- Publication date Aug 28, 2008
- AGFA GRAPHICS NV
- Johan Loccufier
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhib...
- Publication number 20070034117
- Publication date Feb 15, 2007
- Yingxia He
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Mixtures of quinacridones

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing quinacridone solid solution pigment, pigment d...

Method for producing quinacridone solid solution pigment, pigment d...

Quinacridone pigment composition for coloring resins

Quinacridone pigment of low amine content and method for producing...

Methods for producing aqueous pigment dispersion liquid and water-b...

Method for producing water-based pigment dispersion liquid and wate...

Active energy ray-curable inkjet magenta ink composition

Magenta quinacridone pigments

Pigment dispersions with polymeric dispersants having pending chrom...

Surface-modified pigment compositions

Preparing and dispersing surface-modified colour pigments

Crystal forms of quinacridones made from 2,9-dimethoxyquinacridone...

Preparing and dispersing surface-modified colour pigments

Ink, ink jet recording method, ink cartridge, and ink jet recording...

Ink, ink jet recording method, ink cartridge, and ink jet recording...

Crystal forms of quinacridones made from 2,9-dimethoxyquinacridone...

Dispersion of a water-insoluble colorant, production method thereof...

Non-aqueous quinacridone dispersions using dispersion synergists

Pigments for non-aqueous inks and coatings

Water-based pigment dispersion for ink-jet recording, ink compositi...

Non-aqueous pigment dispersions using dispersion synergists

Non-aqueous inkjet inks of quinacridone pigments

Quinacridone derivatives for pigment dispersions

2,9-dichloro-quinacridone as α-quinacridone crystal phase inhibitor

Acid Red 82 in mixtures

Quinacridone pigment compositions comprising unsymmetrically substi...

Process for aqueous milling of quinacridone pigments

2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhib...

Synthesis of small particle size quinacridone of beta crystal phase

Rheology improvers and pigment compositions having improved rheology

Patents Applicationslast 30 patents

MAGENTA PIGMENT DISPERSANTS

METHOD FOR PRODUCING QUINACRIDONE SOLID SOLUTION PIGMENT, PIGMENT D...

INKJET INK COMPOSITION

BLACK INKJET INK COMPOSITION

AQUEOUS PIGMENT DISPERSIONS

METHOD FOR PRODUCING QUINACRIDONE SOLID SOLUTION PIGMENT, PIGMENT D...

QUINACRIDONE PIGMENT COMPOSITION FOR COLORING RESINS

METHOD FOR PRODUCING MICROPARTICLES

METHODS FOR PRODUCING AQUEOUS PIGMENT DISPERSION LIQUID AND WATER-B...

ACTIVE ENERGY RAY-CURABLE INKJET MAGENTA INK COMPOSITION

New Magenta Quinacridone Pigments

NOVEL CRYSTAL FORMS OF QUINACRIDONES MADE FROM 2,9-DIMETHOXYQUINACR...

METHOD FOR PRODUCING WATER-BASED PIGMENT DISPERSION LIQUID AND WATE...

PREPARING AND DISPERSING SURFACE-MODIFIED COLOUR PIGMENTS

PREPARING AND DISPERSING SURFACE-MODIFIED COLOUR PIGMENTS

SURFACE-MODIFIED PIGMENT COMPOSITIONS

Novel Crystal Forms of Quinacridones Made from 2,9-Dimethoxyquinacr...

Method of preparing modified colored pigments

INK, INK JET RECORDING METHOD, INK CARTRIDGE, AND INK JET RECORDING...

INK, INK JET RECORDING METHOD, INK CARTRIDGE, AND INK JET RECORDING...

Pigments for Non-Aqueous Inks and Coatings

FLUORINE-CONTAINING QUINACRIDONES IN COLOUR FILTERS FOR LCDs

Dispersion of a water-insoluble colorant, production method thereof...

Quinacridone Derivatives for Pigment Dispersions

Non-Aqueous Quinacridone Dispersions Using Dispersion Synergists

Non-Aqueous Inkjet Inks of Quinacridone Pigments

Non-Aqueous Pigment Dispersions Using Dispersion Synergists

Pigment Dispersions with Polymeric Dispersants Having Pending Chrom...

Pigment Dispersions with Polymeric Dispersants Having Pending Chrom...

2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhib...