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Helmut Eckes
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Eppstein, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Rubber products with low heat build up on mechanical stressing
Patent number
6,686,418
Issue date
Feb 3, 2004
Solutia Germany GmbH & Co. KG
Siegfried Wallenwein
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-dilutable printing ink binder system and use thereof as print...
Patent number
4,904,303
Issue date
Feb 27, 1990
Hoechst AG
Albert Rudolphy
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aqueous pigment preparation, and the use thereof
Patent number
4,812,492
Issue date
Mar 14, 1989
Hoechst Aktiengesellschaft
Helmut Eckes
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Water-dilutable printing ink binder system and use thereof as print...
Patent number
4,792,356
Issue date
Dec 20, 1988
Hoechst AG
Albert Rudolphy
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Isocyanate-free polyurethane dispersions
Patent number
4,758,475
Issue date
Jul 19, 1988
Hoechst AG
Helmut Eckes
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Novel stilbene compounds: process for their manufacture and their u...
Patent number
4,323,675
Issue date
Apr 6, 1982
Hoechst Aktiengesellschaft
Helmut Eckes
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diamino-1,3,5-triazinylstilbene compounds and process for preparing...
Patent number
4,220,760
Issue date
Sep 2, 1980
Hoechst Aktiengesellschaft
Rudiger Erckel
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
Rubber products with low heat build-up
Publication number
20020022694
Publication date
Feb 21, 2002
Siegfried Wallenwein
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...