Paul Uhrhan

Person

Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the isolation of 2-naphthylamine-1,5-disulphonic acid
- Patent number 5,248,812
- Issue date Sep 28, 1993
- Bayer Aktiengesellschaft
- Horst Behre
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydrobenzothiazine compounds and the preparation thereof
- Patent number 4,420,613
- Issue date Dec 13, 1983
- Bayer Aktiengesellschaft
- Paul Uhrhan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 2,3-Dihydro-4H-1,4-benzothiazines
- Patent number 4,393,206
- Issue date Jul 12, 1983
- Bayer Aktiengesellschaft
- Paul Uhrhan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyurethane plastics containing thio groups
- Patent number 4,254,229
- Issue date Mar 3, 1981
- Bayer Aktiengesellschaft
- Jurgen Schwindt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their pro...
- Patent number 4,223,147
- Issue date Sep 16, 1980
- Bayer Aktiengesellschaft
- Harald Oertel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Permanently stabilized polyurethanes
- Patent number 4,178,279
- Issue date Dec 11, 1979
- Bayer Aktiengesellschaft
- Paul Uhrhan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Permanently stabilized polymers produced by after-treatment with pi...
- Patent number 4,153,596
- Issue date May 8, 1979
- Bayer Aktiengesellschaft
- Harald Oertel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making polyurethane resins via thio-group containing di...
- Patent number 4,146,688
- Issue date Mar 27, 1979
- Bayer Aktiengesellschaft
- Jurgen Schwindt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Permanently stabilized polyurethanes
- Patent number 4,145,512
- Issue date Mar 20, 1979
- Bayer Aktiengesellschaft
- Paul Uhrhan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cyanamide stabilizers
- Patent number 4,101,506
- Issue date Jul 18, 1978
- Bayer Aktiengesellschaft
- Paul Uhrhan
- C07 - ORGANIC CHEMISTRY

Paul Uhrhan

Person

Patents Grantslast 30 patents

Process for the isolation of 2-naphthylamine-1,5-disulphonic acid

Dihydrobenzothiazine compounds and the preparation thereof

Process for the production of 2,3-Dihydro-4H-1,4-benzothiazines

Polyurethane plastics containing thio groups

Methylol derivatives of 2,2,6,6-tetraalkylpiperidines and their pro...

Permanently stabilized polyurethanes

Permanently stabilized polymers produced by after-treatment with pi...

Process for making polyurethane resins via thio-group containing di...

Permanently stabilized polyurethanes

Cyanamide stabilizers