Bernhard John

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Polyurea polyrethanes having improved physical properties
- Patent number 6,989,406
- Issue date Jan 24, 2006
- Bayer Aktiengesellschaft
- Hans-Detlef Arntz
- A41 - WEARING APPAREL
Information Patent Grant
Use of polyether-polyurethane for safety clothing
- Patent number 6,521,676
- Issue date Feb 18, 2003
- Bayer Aktiengesellschaft
- Klaus Brecht
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

Information Patent Application
USE OF POLYETHER-POLYURETHANE FOR SAFETY CLOTHING
- Publication number 20020013377
- Publication date Jan 31, 2002
- KLAUS BRECHT
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...