Hans-Peter Wirges

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Stable salts of O-acetylsalicylic acid with basic amino acids
- Patent number 7,449,198
- Issue date Nov 11, 2008
- Bayer Healthcare AG
- Gerhard Franckowiak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Separation of impurities and/or valuable substances from solutions...
- Patent number 6,914,149
- Issue date Jul 5, 2005
- Bayer Aktiengesellschaft
- Claus-Peter Reisinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stable salts of O-acetylsalicylic acid with basic amino acids
- Patent number 6,773,724
- Issue date Aug 10, 2004
- Bayer AG
- Gerhard Franckowiak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Separation of impurities and/or valuable substances from solutions...
- Patent number 6,734,319
- Issue date May 11, 2004
- Bayer Aktiengesellschaft
- Claus-Peter Reisinger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ortho-phenylphenolate concentrates
- Patent number 6,544,441
- Issue date Apr 8, 2003
- Bayer Aktiengesellschaft
- Peter Wachtler
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Process for preparing nifedipine
- Patent number 6,294,673
- Issue date Sep 25, 2001
- Bayer Aktiengesellschaft
- Mathias Berwe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Recovery of catalyst systems from diaryl carbonate-containing react...
- Patent number 5,965,472
- Issue date Oct 12, 1999
- Bayer AG
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of catalyst systems from diarylcarbonate-containing reacti...
- Patent number 5,824,816
- Issue date Oct 20, 1998
- Bayer AG
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isolation of purified ethylene glycol carbonate (EGC)
- Patent number 5,510,499
- Issue date Apr 23, 1996
- Bayer Aktiengesellschaft
- Christine Mendoza-Frohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of high-purity bisphenol A
- Patent number 5,300,700
- Issue date Apr 5, 1994
- Bayer Aktiengesellschaft
- Georg Malamet
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Stable salts of O-acetylsalicylic acid with basic amino acids
- Publication number 20050009791
- Publication date Jan 13, 2005
- Gerhard Franckowiak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Separation of impurities and/or valuable substances from solutions...
- Publication number 20040127736
- Publication date Jul 1, 2004
- Claus-Peter Reisinger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Separation of impurities and/or valuable substances from solutions...
- Publication number 20030109738
- Publication date Jun 12, 2003
- Claus-Peter Reisinger
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Stable salts of O-acetylsalicylic acid with basic amino acids
- Publication number 20020091108
- Publication date Jul 11, 2002
- Gerhard Franckowiak
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Ortho-phenylphenolate concentrates
- Publication number 20020040977
- Publication date Apr 11, 2002
- Peter Wachtler
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Hans-Peter Wirges

Person

Patents Grantslast 30 patents

Stable salts of O-acetylsalicylic acid with basic amino acids

Separation of impurities and/or valuable substances from solutions...

Stable salts of O-acetylsalicylic acid with basic amino acids

Separation of impurities and/or valuable substances from solutions...

Ortho-phenylphenolate concentrates

Process for preparing nifedipine

Recovery of catalyst systems from diaryl carbonate-containing react...

Recovery of catalyst systems from diarylcarbonate-containing reacti...

Process for the isolation of purified ethylene glycol carbonate (EGC)

Process for the production of high-purity bisphenol A

Patents Applicationslast 30 patents

Stable salts of O-acetylsalicylic acid with basic amino acids

Separation of impurities and/or valuable substances from solutions...

Separation of impurities and/or valuable substances from solutions...

Stable salts of O-acetylsalicylic acid with basic amino acids

Ortho-phenylphenolate concentrates