Armin Zenner

Person

Dormagen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Powder coating compositions containing copolymers having hydroxyl a...
- Patent number 5,728,789
- Issue date Mar 17, 1998
- Bayer Aktiengesellschaft
- Christian Wamprecht
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reactive polyurethanes
- Patent number 5,356,945
- Issue date Oct 18, 1994
- Bayer Aktiengesellschaft
- Joachim Werner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Simplified process for the production of polyamines by the alkaline...
- Patent number 4,525,590
- Issue date Jun 25, 1985
- Bayer Aktiengesellschaft
- Werner Rasshofer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of urethanes
- Patent number 4,490,551
- Issue date Dec 25, 1984
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of aromatic urethanes
- Patent number 4,267,353
- Issue date May 12, 1981
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of urethanes
- Patent number 4,236,016
- Issue date Nov 25, 1980
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of urethanes
- Patent number 4,230,876
- Issue date Oct 28, 1980
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of stable dispersions of polyisocyanate...
- Patent number 4,184,990
- Issue date Jan 22, 1980
- Bayer Aktiengesellschaft
- Artur Reischl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Armin Zenner

Person

Patents Grantslast 30 patents

Powder coating compositions containing copolymers having hydroxyl a...

Reactive polyurethanes

Simplified process for the production of polyamines by the alkaline...

Process for the production of urethanes

Preparation of aromatic urethanes

Process for the preparation of urethanes

Process for the preparation of urethanes

Process for the preparation of stable dispersions of polyisocyanate...