Gunter Prescher

Person

Hanau, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing catechol and hydroquinone
- Patent number 5,026,925
- Issue date Jun 25, 1991
- Degussa Aktiengesellschaft
- Karl-Heinz Drauz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the continuous epoxidation of olefins
- Patent number 4,921,983
- Issue date May 1, 1990
- Degussa Aktiengesellschaft
- Rainer Siegmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous bleaching agent suspensions containing peroxycarboxylic aci...
- Patent number 4,879,057
- Issue date Nov 7, 1989
- Degussa Aktiengesellschaft
- Manfred Dankowski
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Method of preparing substituted dihydroxy-benzenes
- Patent number 4,825,011
- Issue date Apr 25, 1989
- Degussa AG
- Karl-Heinz Drauz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aqueous bleaching agent suspensions containing peroxycarboxylic aci...
- Patent number 4,790,949
- Issue date Dec 13, 1988
- Degussa Aktiengesellschaft
- Manfred Dankowski
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Process for the production of 1-methylcyclopropanecarboxaldehyde
- Patent number 4,720,593
- Issue date Jan 19, 1988
- Degussa Aktiengesellschaft
- Juan Andrade
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 4-chloro-butanals
- Patent number 4,691,062
- Issue date Sep 1, 1987
- Degussa Aktiengesellschaft
- Juan Andrade
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the producing 2,5-dimethoxytetrahydrofuran and 2,5-diet...
- Patent number 4,680,420
- Issue date Jul 14, 1987
- Degussa Aktiengesellschaft
- Juan Andrade
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous production of vicinal diols
- Patent number 4,626,603
- Issue date Dec 2, 1986
- Degussa Aktiengesellschaft
- Rainer Siegmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing abrasion-resistant coated catalysts
- Patent number 4,621,072
- Issue date Nov 4, 1986
- Degussa Aktiengesellschaft
- Dietrich Arntz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of 1,4-butandial
- Patent number 4,608,443
- Issue date Aug 26, 1986
- Degussa Aktiengesellschaft
- Juan Andrade
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for the production of pentanediol-1,2
- Patent number 4,605,795
- Issue date Aug 12, 1986
- Degussa Aktiengesellschaft
- Rainer Siegmeier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparation of acetals
- Patent number 4,579,979
- Issue date Apr 1, 1986
- Degussa Aktiengesellschaft
- Juan Andrade
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aromatic nitriles
- Patent number 4,539,409
- Issue date Sep 3, 1985
- Degussa Aktiengesellschaft
- Dietrich Arntz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing acrylic or methacrylic acid
- Patent number 4,521,618
- Issue date Jun 4, 1985
- Degussa Aktiengesellschaft
- Dietrich Arntz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of nicotinic acid amide
- Patent number 4,447,614
- Issue date May 8, 1984
- Degussa Aktiengesellschaft
- Helmut Beschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of nicotinic acid amide I
- Patent number 4,447,615
- Issue date May 8, 1984
- Degussa Aktiengesellschaft
- Helmut Beschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing by catalytic oxidation in oxygen-containing g...
- Patent number 4,442,308
- Issue date Apr 10, 1984
- Degussa Aktiengesellschaft
- Dietrich Arntz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of propylene oxide
- Patent number RE31381
- Issue date Sep 13, 1983
- Bayer Aktiengesellschaft
- Gunter Prescher
- 549 - Organic compounds
Information Patent Grant
Process for the production of pure racemic acid and mesotartaric ac...
- Patent number 4,150,241
- Issue date Apr 17, 1979
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of propylene oxide
- Patent number 4,137,242
- Issue date Jan 30, 1979
- Bayer Aktiengesellschaft
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of propylene oxide
- Patent number 4,113,747
- Issue date Sep 12, 1978
- Bayer Aktiengesellschaft
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY

Gunter Prescher

Person

Patents Grantslast 30 patents

Method of producing catechol and hydroquinone

Method for the continuous epoxidation of olefins

Aqueous bleaching agent suspensions containing peroxycarboxylic aci...

Method of preparing substituted dihydroxy-benzenes

Aqueous bleaching agent suspensions containing peroxycarboxylic aci...

Process for the production of 1-methylcyclopropanecarboxaldehyde

Process for the production of 4-chloro-butanals

Process for the producing 2,5-dimethoxytetrahydrofuran and 2,5-diet...

Process for the continuous production of vicinal diols

Process for preparing abrasion-resistant coated catalysts

Method for the preparation of 1,4-butandial

Continuous process for the production of pentanediol-1,2

Method for preparation of acetals

Process for preparing aromatic nitriles

Process for preparing acrylic or methacrylic acid

Process for the purification of nicotinic acid amide

Process for the purification of nicotinic acid amide I

Process for preparing by catalytic oxidation in oxygen-containing g...

Process for the preparation of propylene oxide

Process for the production of pure racemic acid and mesotartaric ac...

Process for the preparation of propylene oxide

Process for the preparation of propylene oxide