Lothar Bunzel

Person

Kempen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Inhibition of catalytically active impurities in polycarbonate by t...
- Patent number 7,250,483
- Issue date Jul 31, 2007
- Bayer MaterialScience AG
- Helmut-Werner Heuer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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-...
Information Patent Grant
Polycarbonate and molded polycarbonate articles
- Patent number 6,740,730
- Issue date May 25, 2004
- Bayer Aktiengesellschaft
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of polyester carbonates
- Patent number 6,734,278
- Issue date May 11, 2004
- Bayer Aktiengesellschaft
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing phosphonium phenolates
- Patent number 6,710,153
- Issue date Mar 23, 2004
- Bayer Aktiengesellschaft
- Lothar Bunzel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production and use of polyester carbonates
- Patent number 6,646,099
- Issue date Nov 11, 2003
- Bayer Aktiengesellschaft
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing modified polycarbonates
- Patent number 6,596,840
- Issue date Jul 22, 2003
- Bayer Aktiengesellschaft
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing phosphonium phenolates
- Patent number 6,476,273
- Issue date Nov 5, 2002
- Bayer Aktiengesellschaft
- Annett König
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing branched polycarbonates
- Patent number 6,307,006
- Issue date Oct 23, 2001
- Bayer Aktiengesellschaft
- Annett König
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Inhibition of catalytically active impurities in polycarbonate by t...
- Publication number 20060004178
- Publication date Jan 5, 2006
- Helmut-Werner Heuer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Process for the production of phosphonium phenolates
- Publication number 20030204116
- Publication date Oct 30, 2003
- Melanie Mothrath
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Production of polyester carbonates
- Publication number 20030139564
- Publication date Jul 24, 2003
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Production and use of polyester carbonates
- Publication number 20030105272
- Publication date Jun 5, 2003
- Silke Kratschmer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for optimising the production of polycarbonate by melt tran...
- Publication number 20030055201
- Publication date Mar 20, 2003
- Silke Kratschmer
- 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
Method for producing phosphonium phenolates
- Publication number 20030013837
- Publication date Jan 16, 2003
- Lothar Bunzel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING PHOSPHONIUM PHENOLATES
- Publication number 20010005765
- Publication date Jun 28, 2001
- ANNETT KONIG
- C07 - ORGANIC CHEMISTRY

Lothar Bunzel

Person

Patents Grantslast 30 patents

Inhibition of catalytically active impurities in polycarbonate by t...

Production and use of high molecular weight aliphatic polycarbonates

Preparation of copolycarbonates

Polycarbonate and molded polycarbonate articles

Production of polyester carbonates

Method for producing phosphonium phenolates

Production and use of polyester carbonates

Method for producing modified polycarbonates

Method for producing phosphonium phenolates

Method for producing branched polycarbonates

Patents Applicationslast 30 patents

Inhibition of catalytically active impurities in polycarbonate by t...

Production and use of high molecular weight aliphatic polycarbonates

Process for the production of phosphonium phenolates

Production of polyester carbonates

Production and use of polyester carbonates

Process for optimising the production of polycarbonate by melt tran...

Preparation of copolycarbonates

Method for producing phosphonium phenolates

METHOD FOR PRODUCING PHOSPHONIUM PHENOLATES