Wolfgang Herrig

Person

Bergisch Gladbach, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of polycarbonates
- Patent number 5,508,375
- Issue date Apr 16, 1996
- Bayer Aktiengesellschaft
- Uwe Hucks
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polycarbonate of constant viscosity
- Patent number 5,412,060
- Issue date May 2, 1995
- Bayer Aktiengesellschaft
- Claus Wulff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polycarbonates
- Patent number 5,376,741
- Issue date Dec 27, 1994
- Bayer Aktiengesellschaft
- Wolfgang Herrig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the continuous coagulation of vinyl polymer latices
- Patent number 5,314,990
- Issue date May 24, 1994
- Bayer Aktiengesellschaft
- Ulrich Jansen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polycarbonate
- Patent number 5,258,484
- Issue date Nov 2, 1993
- Bayer Aktiengesellschaft
- Reinhard Schomacker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Isolation of polycarbonate with carbon dioxide
- Patent number 5,250,658
- Issue date Oct 5, 1993
- Bayer Aktiengesellschaft
- Hanns-Ingolf Paul
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for isolating polycarbonates with CO.sub.2 under pressure
- Patent number 5,221,731
- Issue date Jun 22, 1993
- Bayer Aktiengesellschaft
- Gunther Weymans
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Wolfgang Herrig

Person

Patents Grantslast 30 patents

Process for the preparation of polycarbonates

Process for the production of polycarbonate of constant viscosity

Process for the preparation of polycarbonates

Process for the continuous coagulation of vinyl polymer latices

Process for the production of polycarbonate

Isolation of polycarbonate with carbon dioxide

Process for isolating polycarbonates with CO.sub.2 under pressure