Alfred Zastrow

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Dormagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Distillative separation of ketazine from polyurethane dispersions
- Patent number 11,511,211
- Issue date Nov 29, 2022
- Covestro Deutschland AG
- Hans Georg Grablowitz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous polyurethane-polyurea dispersions
- Patent number 9,206,331
- Issue date Dec 8, 2015
- Covestro Deutschland AG
- Alfred Zastrow
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous dispersion of anionically modified polyurethane ureas for c...
- Patent number 7,972,982
- Issue date Jul 5, 2011
- Bayer MaterialScience AG
- Hans Georg Grablowitz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING A POLYURETHANE DISPERSION WITH A REDUCED FOAM...
- Publication number 20210230347
- Publication date Jul 29, 2021
- Covestro Intellectual Property GmbH & Co. KG
- Sebastian Doerr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DISTILLATIVE SEPARATION OF KETAZINE FROM POLYURETHANE DISPERSIONS
- Publication number 20200306660
- Publication date Oct 1, 2020
- COVESTRO DEUTSCHLAND AG
- Hans Georg GRABLOWITZ
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AQUEOUS POLYURETHANE-POLYUREA DISPERSIONS
- Publication number 20130144007
- Publication date Jun 6, 2013
- Bayer Intellectual Property GmbH
- Alfred Zastrow
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS DISPERSION OF ANIONICALLY MODIFIED POLYURETHANE UREAS FOR C...
- Publication number 20090239431
- Publication date Sep 24, 2009
- Bayer MaterialScience AG
- Hans Georg Grablowitz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...