Josef Wiedemann

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Gersthofen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyester-ether resin blends
- Patent number 10,017,639
- Issue date Jul 10, 2018
- INVISTA North America S.a.r.l.
- Eva-Marie Leuschner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilizers based on 1-aza-2,2,6,6 tetramethybicyclo [3.1.0]hexane
- Patent number 5,972,248
- Issue date Oct 26, 1999
- Clariant GmbH
- Thomas Stahrfeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyalkylpiperidine compounds
- Patent number 5,633,378
- Issue date May 27, 1997
- Hoechst Aktiengesellschaft
- Karl Gaa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation a bis(3,3-bis(4-hydroxyalkylphenyl)buta...
- Patent number 5,107,043
- Issue date Apr 21, 1992
- Hoechst Aktiengesellschaft
- Georg Schmailzl
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYESTER-ETHER RESIN BLENDS
- Publication number 20180305541
- Publication date Oct 25, 2018
- INVISTA NORTH AMERICA S.A.R.L.
- Eva-Marie LEUSCHNER
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
IMPROVED POLYESTER-ETHER RESIN BLENDS
- Publication number 20160333179
- Publication date Nov 17, 2016
- INVISTA North America S.a r.l.
- Eva-Marie LEUSCHNER
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...