Hanns-Ingolf Paul

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Cologne, DE

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Patents Grantslast 30 patents

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 polymers from their solvents using liquids co...
- Patent number 5,229,486
- Issue date Jul 20, 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-...
Information Patent Grant
Process for the production of finely dispersed polymer mixtures
- Patent number 5,106,906
- Issue date Apr 21, 1992
- Bayer Aktiengesellschaft
- Erich Meier
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for lowering the melt viscosity of aromatic polycarbonates,...
- Patent number 4,990,595
- Issue date Feb 5, 1991
- Bayer Aktiengesellschaft
- Hans-Joachim Traechkner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...