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Willi Helfer
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Friedelsheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Conversion of perylene-3,4:9,10-tetracarboximides to a form suitabl...
Patent number
7,851,628
Issue date
Dec 14, 2010
BASF Aktiengesellschaft
Peter Erk
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and als...
Patent number
7,807,836
Issue date
Oct 5, 2010
BASF Aktiengesellschaft
Bernhard Dung
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for converting perylen-3,4:9,10-tetracarboxylic acid diimide...
Patent number
7,753,967
Issue date
Jul 13, 2010
BASF Aktiengesellschaft
Peter Erk
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
9-cyano-substituted perylene-3,4-dicarboxylic acid monoimides
Patent number
7,550,606
Issue date
Jun 23, 2009
BASF Aktiengesellschaft
Arno Boehm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
9-Cyano-substituted perylene-3, 4-dicarboxylic monoimides
Patent number
7,446,198
Issue date
Nov 4, 2008
BASF Aktiengesellschaft
Arno Boehm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of perylen-3,4:9,10-tetracarboxylic acid...
Patent number
7,393,956
Issue date
Jul 1, 2008
BASF Aktiengesellschaft
Bernhard Dung
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for the production of terylene-3,4:11,12-tetracarboxydiimide...
Patent number
7,358,362
Issue date
Apr 15, 2008
BASF Aktiengesellschaft
Martin Koenemann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tert-alkylphenoxy-substituted polycyclic compounds
Patent number
7,145,010
Issue date
Dec 5, 2006
BASF Aktiengesellschaft
Arno Boehm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing perylene-3, 4-dicarboxylic acid imides
Patent number
6,136,976
Issue date
Oct 24, 2000
BASF Aktiengesellschaft
Arno Boehm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation and purification of perylene-3,4-dicarbimides
Patent number
5,808,073
Issue date
Sep 15, 1998
BASF Aktiengesellschaft
Arno Bohm
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR CONVERTING PERYLEN-3,4:9,10-TETRACARBOXYLIC ACID DIIMIDE...
Publication number
20100218321
Publication date
Sep 2, 2010
BASF Aktiengesellschaft
Peter Erk
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR CONVERTING PERYLEN-3,4:9,10-TETRACARBOXYLIC ACID DIIMIDE...
Publication number
20090176985
Publication date
Jul 9, 2009
BASF SE
Peter ERK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
9-CYANO-SUBSTITUTED PERYLENE-3,4-DICARBOXYLIC ACID MONOIMIDES
Publication number
20090023937
Publication date
Jan 22, 2009
BASF Aktiengesellschaft
Arno Bohm
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PREPARATION OF PERYLEN-3,4:9,10-TETRACARBOXYLIC DIANHYDRIDE AND ALS...
Publication number
20080161569
Publication date
Jul 3, 2008
BASF Aktiengesellschaft
Bernhard DUNG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Method for the production of terylene-3,4:11,12-tetracarboxydiimide...
Publication number
20070155968
Publication date
Jul 5, 2007
BASF Aktiengesellschaft
Martin Konemann
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for converting perylen-3,4:9,10-tetracarboxylic acid diimide...
Publication number
20050251930
Publication date
Nov 17, 2005
BASFAktiengesellschaft
Peter Erk
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Method for the production of perylen-3,4:9,10-tetracarboxylic acid...
Publication number
20050131220
Publication date
Jun 16, 2005
BASF Aktiengesellschaft
Bernhard Dung
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Tert alkylphenoxy substituted polycyclic compounds
Publication number
20040049030
Publication date
Mar 11, 2004
Arno Bohm
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...