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Colin Dennis Campbell
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Claymont, DE, US
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Patents Grants
last 30 patents
Information
Patent Grant
Tetrabenzodiazadiketoperylene pigments for laser marking
Patent number
7,544,448
Issue date
Jun 9, 2009
Ciba Specialty Chemicals Corporation
Damien Thurber Cole
C07 - ORGANIC CHEMISTRY
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
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
Process for the preparation of dialkyl succinylsuccinates
Patent number
5,783,723
Issue date
Jul 21, 1998
Ciba Specialty Chemicals Corporation
Colin Dennis Campbell
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Tetrabenzodiazadiketoperylene pigments in laser welding
Publication number
20100065200
Publication date
Mar 18, 2010
Josephd E. Sarver
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Laser marking of pigmented substrates
Publication number
20080124498
Publication date
May 29, 2008
Damien Thurber Cole
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Tetrabenzodiazadiketoperylene pigments and dyes
Publication number
20070179222
Publication date
Aug 2, 2007
Damien Thurber Cole
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Tetrabenzodiazadiketoperylene pigments for laser marking
Publication number
20070114494
Publication date
May 24, 2007
Damien Thurber Cole
C07 - ORGANIC CHEMISTRY
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...
Information
Patent Application
Process for aqueous milling of quinacridone pigments
Publication number
20050187313
Publication date
Aug 25, 2005
Yingxia He
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhib...
Publication number
20050183635
Publication date
Aug 25, 2005
Yingxia He
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...