Hans Deml

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Production and use of high molecular weight aliphatic polycarbonates
- Patent number 6,767,986
- Issue date Jul 27, 2004
- Bayer Aktiengesellschaft
- Melanie Moethrath
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of copolycarbonates
- Patent number 6,753,405
- Issue date Jun 22, 2004
- Bayer Aktiengesellschaft
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Production and use of high molecular weight aliphatic polycarbonates
- Publication number 20030204042
- Publication date Oct 30, 2003
- Melanie Moethrath
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Preparation of copolycarbonates
- Publication number 20030027971
- Publication date Feb 6, 2003
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Purification of dihydroxydiphenyl
- Publication number 20020128524
- Publication date Sep 12, 2002
- Silke Kratschmer
- C07 - ORGANIC CHEMISTRY