Erhard Luehmann

Person

Bomlitz, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Aqueous polyurethane dispersions
- Patent number 9,676,894
- Issue date Jun 13, 2017
- Covestro Deutschland AG
- Stefan Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Low-viscosity polyurethane acrylate dispersions
- Patent number 9,567,423
- Issue date Feb 14, 2017
- Covestro Deutschland AG
- Stefan Sommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing hard coating systems based on aqueous polyure...
- Patent number 8,933,146
- Issue date Jan 13, 2015
- Bayer MaterialScience AG
- Stefan Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tin-free aqueous polyurethane dispersions
- Patent number 8,865,832
- Issue date Oct 21, 2014
- Bayer MaterialScience AG
- Stefan Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of sized and/or wet-strength papers, pap...
- Patent number 8,647,471
- Issue date Feb 11, 2014
- Bayer MaterialScience LLC
- Stefan Sommer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Block-resistant, radiation-curable coating systems based on high mo...
- Patent number 8,231,976
- Issue date Jul 31, 2012
- Bayer MaterialScience AG
- Stefan Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
UV-hardenable dispersions based on polyisocyanates
- Patent number 7,868,055
- Issue date Jan 11, 2011
- Bayer MaterialScience AG
- Harald Blum
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
USE OF AQUEOUS DISPERSIONS AS PRIMERS
- Publication number 20130273359
- Publication date Oct 17, 2013
- Bayer Intellectual Property GmbH
- Wolfgang Arndt
- B32 - LAYERED PRODUCTS
Information Patent Application
AQUEOUS POLYURETHANE DISPERSIONS
- Publication number 20130041072
- Publication date Feb 14, 2013
- Stefan Sommer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LOW-VISCOSITY POLYURETHANE ACRYLATE DISPERSIONS
- Publication number 20120259065
- Publication date Oct 11, 2012
- Bayer Intellectual Property GmbH
- Stefan Sommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR THE PRODUCTION OF SIZED AND/OR WET-STRENGTH PAPERS, PAP...
- Publication number 20120160437
- Publication date Jun 28, 2012
- Bayer MaterialScience AG
- Stefan Sommer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TIN-FREE AQUEOUS POLYURETHANE DISPERSIONS
- Publication number 20120041131
- Publication date Feb 16, 2012
- Bayer MaterialScience AG
- Stefan Sommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DEFORMABLE FILM WITH RADIATION-CURING COATING AND SHAPED ARTICLES P...
- Publication number 20090269568
- Publication date Oct 29, 2009
- Bayer MaterialScience AG
- Timo Kuhlmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
BLOCK-RESISTANT, RADIATION-CURABLE COATING SYSTEMS BASED ON HIGH MO...
- Publication number 20090269589
- Publication date Oct 29, 2009
- Bayer MaterialScience AG
- Stefan Sommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing hard coating systems based on aqueous polyure...
- Publication number 20090053530
- Publication date Feb 26, 2009
- Stefan Sommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
UV-hardenable dispersions based on polyisocyanates
- Publication number 20080194775
- Publication date Aug 14, 2008
- Bayer MaterialScience AG
- Harald Blum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Printed, moldable films
- Publication number 20080145624
- Publication date Jun 19, 2008
- Jan Weikard
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Erhard Luehmann

Person

Patents Grantslast 30 patents

Aqueous polyurethane dispersions

Low-viscosity polyurethane acrylate dispersions

Process for producing hard coating systems based on aqueous polyure...

Tin-free aqueous polyurethane dispersions

Process for the production of sized and/or wet-strength papers, pap...

Block-resistant, radiation-curable coating systems based on high mo...

UV-hardenable dispersions based on polyisocyanates

Patents Applicationslast 30 patents

USE OF AQUEOUS DISPERSIONS AS PRIMERS

AQUEOUS POLYURETHANE DISPERSIONS

LOW-VISCOSITY POLYURETHANE ACRYLATE DISPERSIONS

PROCESS FOR THE PRODUCTION OF SIZED AND/OR WET-STRENGTH PAPERS, PAP...

TIN-FREE AQUEOUS POLYURETHANE DISPERSIONS

DEFORMABLE FILM WITH RADIATION-CURING COATING AND SHAPED ARTICLES P...

BLOCK-RESISTANT, RADIATION-CURABLE COATING SYSTEMS BASED ON HIGH MO...

Process for producing hard coating systems based on aqueous polyure...

UV-hardenable dispersions based on polyisocyanates

Printed, moldable films