Georg Schaeffer

Person

Hofheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2-nitro-3-aminopyridine, and the int...
- Patent number 4,952,697
- Issue date Aug 28, 1990
- Hoechst Aktiengesellschaft
- Siegfried Planker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of carbamoyl chlorides derived from sec...
- Patent number 4,770,820
- Issue date Sep 13, 1988
- Hoechst Aktiengesellschaft
- Gunther Semler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of p-hydroxyphenyl-acetic acid
- Patent number 4,590,295
- Issue date May 20, 1986
- Hoechst Aktiengesellschaft
- Werner Spielmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of diphenyl ethers
- Patent number 4,564,712
- Issue date Jan 14, 1986
- Hoechst Aktiengesellschaft
- Herbert Kuckertz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of thiochloroformates
- Patent number 4,340,746
- Issue date Jul 20, 1982
- Hoechst Aktiengesellschaft
- Gunther Semler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of phenylacetic acid and simple derivat...
- Patent number 4,339,594
- Issue date Jul 13, 1982
- Hoechst Aktiengesellschaft
- Werner Spielmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and pro...
- Patent number 4,306,102
- Issue date Dec 15, 1981
- Hoechst Aktiengesellschaft
- Franz Landauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of para-tert.butylbenzaldehyde and its...
- Patent number 4,277,421
- Issue date Jul 7, 1981
- Hoechst Aktiengesellschaft
- Franz Landauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of ketones
- Patent number 4,266,066
- Issue date May 5, 1981
- Hoechst Aktiengesellschaft
- Werner Spielmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of waste water
- Patent number 4,145,283
- Issue date Mar 20, 1979
- Hoechst Aktiengesellschaft
- Alwin Topp
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of naphthalene-monosulfonic acids
- Patent number 4,110,365
- Issue date Aug 29, 1978
- Hoechst Aktiengesellschaft
- Siegfried Bildstein
- C07 - ORGANIC CHEMISTRY

Georg Schaeffer

Person

Patents Grantslast 30 patents

Process for the preparation of 2-nitro-3-aminopyridine, and the int...

Process for the preparation of carbamoyl chlorides derived from sec...

Process for the manufacture of p-hydroxyphenyl-acetic acid

Process for the preparation of diphenyl ethers

Process for the preparation of thiochloroformates

Process for the manufacture of phenylacetic acid and simple derivat...

P-Tert.butylbenzotribromide and p-tert.butylbenzoyl bromide and pro...

Process for the manufacture of para-tert.butylbenzaldehyde and its...

Process for the manufacture of ketones

Process for the purification of waste water

Process for the manufacture of naphthalene-monosulfonic acids