Reiner Witkowski

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Bottrop, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyaspartic acid ester compositions and method for purification
- Patent number 10,968,165
- Issue date Apr 6, 2021
- Covestro Deutschland AG
- Dorota Greszta-Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and apparatus for continuous production of aqueous polyuret...
- Patent number 10,752,727
- Issue date Aug 25, 2020
- Covestro Deutschland AG
- Hans Georg Grablowitz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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...

Patents Applicationslast 30 patents

Information Patent Application
POLYASPARTIC ACID ESTER COMPOSITIONS AND METHOD FOR PURIFICATION
- Publication number 20200223787
- Publication date Jul 16, 2020
- COVESTRO DEUTSCHLAND AG
- Dorota Greszta-Franz
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE CONTINUOUS PRODUCTION OF WATER-DISPERSIBLE VINYL POL...
- Publication number 20150051337
- Publication date Feb 19, 2015
- Bayer Intellectual Property GmbH Creative Campus Monheim
- Evgeny Avtomonov
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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...