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containing non-metal elements other than hydrogen, halogen, oxygen or nitrogen
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Patents Grants
last 30 patents
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Patent Grant
Electrophotographic photoconductor, method of manufacturing the sam...
Patent number
11,586,119
Issue date
Feb 21, 2023
Fuji Electric Co., Ltd.
Shinjiro Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic apparatus
Patent number
10,732,525
Issue date
Aug 4, 2020
Canon Kabushiki Kaisha
Tsuyoshi Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Charging member, process cartridge and electrophotographic image fo...
Patent number
10,459,356
Issue date
Oct 29, 2019
Canon Kabushiki Kaisha
Kineo Takeno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member, process cartridge, and i...
Patent number
10,372,047
Issue date
Aug 6, 2019
Kyocera Document Solutions Inc.
Tomofumi Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photosensitive member
Patent number
10,338,485
Issue date
Jul 2, 2019
Kyocera Document Solutions Inc.
Hideki Okada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photoreceptor, electrophotographic photorecepto...
Patent number
10,203,616
Issue date
Feb 12, 2019
Mitsubishi Chemical Corporation
Atsushi Yoshizawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photoreceptor, process cartridge, and image-for...
Patent number
10,101,678
Issue date
Oct 16, 2018
Fuji Xerox Co., Ltd.
Akihiro Kawasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member, process cartridge, and e...
Patent number
10,067,432
Issue date
Sep 4, 2018
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electro-conductive belt and electrophotographic apparatus
Patent number
9,933,713
Issue date
Apr 3, 2018
Canon Kabushiki Kaisha
Kouichi Uchida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Image forming apparatus and electrophotographic cartridge
Patent number
9,746,816
Issue date
Aug 29, 2017
Mitsubishi Chemical Corporation
Tadashi Mizushima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
9,740,117
Issue date
Aug 22, 2017
Canon Kabushiki Kaisha
Nobuo Kosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member, process cartridge and el...
Patent number
9,709,907
Issue date
Jul 18, 2017
Canon Kabushiki Kaisha
Kaname Watariguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electrophotographic photosensitive member, process cartridge and el...
Patent number
9,500,966
Issue date
Nov 22, 2016
Canon Kabushiki Kaisha
Kaname Watariguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Method of producing electrophotographic photosensitive member
Patent number
9,494,882
Issue date
Nov 15, 2016
Canon Kabushiki Kaisha
Keiko Yamagishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member, and electrophotographic...
Patent number
9,389,523
Issue date
Jul 12, 2016
Canon Kabushiki Kaisha
Koichi Nakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member
Patent number
9,383,664
Issue date
Jul 5, 2016
Kyocera Document Solutions Inc.
Hideki Okada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member, electrophotographic appa...
Patent number
9,316,931
Issue date
Apr 19, 2016
Canon Kabushiki Kaisha
Shinji Takagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Electrophotographic photoreceptor, process cartridge, and image for...
Patent number
9,310,702
Issue date
Apr 12, 2016
Fuji Xerox Co., Ltd.
Kenji Kajiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member and image forming apparatus
Patent number
9,256,144
Issue date
Feb 9, 2016
Kyocera Document Solutions Inc.
Hideki Okada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,980,509
Issue date
Mar 17, 2015
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Image bearing member, image forming method, image forming apparatus...
Patent number
8,889,324
Issue date
Nov 18, 2014
Ricoh Company, Ltd.
Ryota Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Composition for forming charge transporting film, electrophotograph...
Patent number
8,808,952
Issue date
Aug 19, 2014
Fuji Xerox Co., Ltd.
Yuko Iwadate
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photoreceptor, electrophotographic image formin...
Patent number
8,809,543
Issue date
Aug 19, 2014
Ricoh Company, Ltd.
Ryota Arai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Aromatic chalcogen compounds and their use
Patent number
8,766,242
Issue date
Jul 1, 2014
E I du Pont de Nemours and Company
Nora Sabina Radu
C07 - ORGANIC CHEMISTRY
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Thiol group-containing charge transporting material, thiol group-co...
Patent number
8,748,070
Issue date
Jun 10, 2014
Fuji Xerox Co., Ltd.
Katsumi Nukada
C07 - ORGANIC CHEMISTRY
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Patent Grant
Electrophotographic photosensitive member, process cartridge, elect...
Patent number
8,669,027
Issue date
Mar 11, 2014
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Furan derivative and electrophotographic photoconductor
Patent number
8,652,713
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Hongguo Li
C07 - ORGANIC CHEMISTRY
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Acrylic ester compound and manufacturing intermediate thereof, meth...
Patent number
8,623,577
Issue date
Jan 7, 2014
Ricoh Company, Ltd.
Tamotsu Horiuchi
C07 - ORGANIC CHEMISTRY
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Patent Grant
Electrophotographic photoconductor and image forming apparatus usin...
Patent number
8,546,049
Issue date
Oct 1, 2013
Sharp Kabushiki Kaisha
Akiko Kihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Electrophotographic photoreceptor, and image forming apparatus and...
Patent number
8,535,863
Issue date
Sep 17, 2013
Ricoh Company, Ltd.
Tomoharu Asano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
Publication number
20230059773
Publication date
Feb 23, 2023
Canon Kabushiki Kaisha
Tatsuya Yamaai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, METHOD OF MANUFACTURING THE SAM...
Publication number
20210271179
Publication date
Sep 2, 2021
Fuji Electric Co., Ltd.
Shinjiro SUZUKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20190332022
Publication date
Oct 31, 2019
Canon Kabushiki Kaisha
Tsuyoshi Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND...
Publication number
20190265601
Publication date
Aug 29, 2019
Canon Kabushiki Kaisha
Tsutomu Nishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FO...
Publication number
20180101106
Publication date
Apr 12, 2018
Canon Kabushiki Kaisha
Kineo Takeno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND E...
Publication number
20170343909
Publication date
Nov 30, 2017
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
Publication number
20160085163
Publication date
Mar 24, 2016
FUJI XEROX CO., LTD
Kenji KAJIWARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20160011529
Publication date
Jan 14, 2016
Canon Kabushiki Kaisha
Nobuo Kosaka
C07 - ORGANIC CHEMISTRY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND EL...
Publication number
20150362848
Publication date
Dec 17, 2015
Canon Kabushiki Kaisha
Kaname Watariguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTRO-CONDUCTIVE BELT AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20150355561
Publication date
Dec 10, 2015
Canon Kabushiki Kaisha
Kouichi Uchida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FOR...
Publication number
20150277245
Publication date
Oct 1, 2015
FUJI XEROX CO., LTD
Kenji KAJIWARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
Photoconductors Having Titanyl Phthalocyanine and Bisazo Pigments i...
Publication number
20150185629
Publication date
Jul 2, 2015
Lexmark International, Inc.
David Glenn Black
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication number
20150147693
Publication date
May 28, 2015
Canon Kabushiki Kaisha
Keiko Yamagishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
CHARGE TRANSPORT LAYER COMPRISING SILICONE ESTER COMPOUNDS
Publication number
20150132689
Publication date
May 14, 2015
Xerox Corporation
JIN WU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS
Publication number
20150037069
Publication date
Feb 5, 2015
KYOCERA DOCUMENT SOLUTIONS INC.
Hideki OKADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
COMPOSITION FOR FORMING CHARGE TRANSPORTING FILM, ELECTROPHOTOGRAPH...
Publication number
20140321882
Publication date
Oct 30, 2014
FUJI XEROX CO., LTD
Yuko IWADATE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND ELECTROPHOTOGRAPHIC...
Publication number
20140255836
Publication date
Sep 11, 2014
Canon Kabushiki Kaisha
Koichi Nakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND ELECTROPHOTOGRAPHIC...
Publication number
20140255837
Publication date
Sep 11, 2014
Canon Kabushiki Kaisha
Koichi Nakata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
Organic Photoconductors with Latex Polymer Overcoat Layers
Publication number
20140023963
Publication date
Jan 23, 2014
Zhang-Lin Zhou
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
COMPOSITION FOR FORMING CHARGE TRANSPORTING FILM, ELECTROPHOTOGRAPH...
Publication number
20130260295
Publication date
Oct 3, 2013
FUJI XEROX CO., LTD
Yuko IWADATE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20130236823
Publication date
Sep 12, 2013
Canon Kabushiki Kaisha
Kazunori Noguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
IMAGE HOLDING MEMBER FOR IMAGE FORMING APPARATUS, PROCESS CARTRIDGE...
Publication number
20130164662
Publication date
Jun 27, 2013
FUJI XEROX CO., LTD
Hidekazu HIROSE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECT...
Publication number
20120301182
Publication date
Nov 29, 2012
Canon Kabushiki Kaisha
Takashi Anezaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
THIOL GROUP-CONTAINING CHARGE TRANSPORTING MATERIAL, THIOL GROUP-CO...
Publication number
20120196215
Publication date
Aug 2, 2012
FUJI XEROX CO., LTD
Katsumi NUKADA
C07 - ORGANIC CHEMISTRY
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FURAN DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR
Publication number
20120171601
Publication date
Jul 5, 2012
RICOH COMPANY, LTD.
Hongguo Li
C07 - ORGANIC CHEMISTRY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE FORMING APPARATUS USIN...
Publication number
20120156600
Publication date
Jun 21, 2012
Akiko Kihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
AROMATIC CHALCOGEN COMPOUNDS AND THEIR USE
Publication number
20120068166
Publication date
Mar 22, 2012
E.I. du Pont de Nemours and Company
Nora Sabina Radu
C07 - ORGANIC CHEMISTRY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, ELECTROPHOTOGRAPHIC IMAGE FORMIN...
Publication number
20120064443
Publication date
Mar 15, 2012
Ryota ARAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING APPARATUS AND...
Publication number
20120052424
Publication date
Mar 1, 2012
RICOH COMPANY, LTD.
Tomoharu ASANO
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INDOLE DERIVATIVES
Publication number
20120052427
Publication date
Mar 1, 2012
Hodogaya Chemical Co., Ltd.
Shigetaka Numazawa
C07 - ORGANIC CHEMISTRY