Dieter Grenner

Person

Dormagen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the isomeric separation of isocyanates
- Patent number 6,271,414
- Issue date Aug 7, 2001
- Bayer Aktiengesellschaft
- Rüdiger Drope
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying and concentrating spent sulfuric acids
- Patent number 6,156,288
- Issue date Dec 5, 2000
- Bayer Aktiengesellschaft
- Heiko Beckhaus
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for obtaining carbon monoxide and hydrogen
- Patent number 6,048,508
- Issue date Apr 11, 2000
- Bayer Aktiengesellschaft
- Hans-Ulrich Dummersdorf
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and device for continuous evaporation to dryness of viscous...
- Patent number 5,817,211
- Issue date Oct 6, 1998
- Bayer Aktiengesellschaft
- Clemens Casper
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process and a device for separating a solid residue from its soluti...
- Patent number 5,609,735
- Issue date Mar 11, 1997
- Bayer Aktiengesellschaft
- Hartmut Hetzel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for preparing aromatic amines
- Patent number 5,563,296
- Issue date Oct 8, 1996
- Bayer Aktiengesellschaft
- Uwe J. Zarnack
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation and purification of nitroaromatics
- Patent number 5,395,995
- Issue date Mar 7, 1995
- Bayer Aktiengesellschaft
- Dieter Grenner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for drying pumpable suspensions
- Patent number 4,430,156
- Issue date Feb 7, 1984
- Bayer Aktiengesellschaft
- Clemens Casper
- F26 - DRYING
Information Patent Grant
Process for drying copper containing catalyst waste
- Patent number 4,168,283
- Issue date Sep 18, 1979
- Bayer Aktiengesellschaft
- Gunter Beilstein
- C07 - ORGANIC CHEMISTRY

Dieter Grenner

Person

Patents Grantslast 30 patents

Process for the isomeric separation of isocyanates

Process for purifying and concentrating spent sulfuric acids

Process for obtaining carbon monoxide and hydrogen

Process and device for continuous evaporation to dryness of viscous...

Process and a device for separating a solid residue from its soluti...

Continuous process for preparing aromatic amines

Process for the preparation and purification of nitroaromatics

Process for drying pumpable suspensions

Process for drying copper containing catalyst waste