Winfried Orth

Person

Hassloch/Pfalz, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Preparation of isomer-free 2,5-dichloro-pyridine
- Patent number 5,380,862
- Issue date Jan 10, 1995
- Rutgerswerke Aktiengesellschaft
- Stefan Sendelbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene
- Patent number 5,169,990
- Issue date Dec 8, 1992
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene
- Patent number 5,149,886
- Issue date Sep 22, 1992
- Rutgerswerke AG
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of pyridine-3-sulfonic acid
- Patent number 5,082,944
- Issue date Jan 21, 1992
- Rutgerswerke AG
- Rolf Losch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel separation process
- Patent number 5,066,806
- Issue date Nov 19, 1991
- Rutgerswerke AG
- Emmerich Pastorek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 2-hydroxypyridine
- Patent number 4,942,239
- Issue date Jul 17, 1990
- Rutgerswerke AG
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of quinuclidine-3-methanol
- Patent number 4,925,942
- Issue date May 15, 1990
- Rutgerswerke AG
- Josef Gotz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hair dye composition
- Patent number 4,865,620
- Issue date Sep 12, 1989
- Ruetgerswerke Aktiengesellschaft
- Winfried Orth
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the production of 2-amino-3-nitro-6-(4-fluorobenzylamin...
- Patent number 4,785,110
- Issue date Nov 15, 1988
- Degussa Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Side chain chlorination process of heterocycles
- Patent number 4,719,298
- Issue date Jan 12, 1988
- Rutgerswerke Aktiengesellschaft
- Gunter E. Jeromin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 2,5-diloweralkyl-1.4:3,6-dianhydrosorbitols
- Patent number 4,659,846
- Issue date Apr 21, 1987
- Rutgerswerke Aktiengesellschaft
- Manfred Maurer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparation of 4-halogenonaphthalic acid anhydrides
- Patent number 4,582,910
- Issue date Apr 15, 1986
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrrole containing 2-aminonitropyridine derivatives
- Patent number 4,567,272
- Issue date Jan 28, 1986
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of fluorene-9-carboxylic acid
- Patent number 4,564,700
- Issue date Jan 14, 1986
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxidation of quinoline to quinolinic acid
- Patent number 4,549,024
- Issue date Oct 22, 1985
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 3,5,6-trichloro-1H-pyridine-2-on
- Patent number 4,546,190
- Issue date Oct 8, 1985
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel process for the preparation of 2-halo-3-nitro-6-alkoxy-pyridines
- Patent number 4,529,800
- Issue date Jul 16, 1985
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of phenanthrenequinone
- Patent number 4,510,090
- Issue date Apr 9, 1985
- Rutgerswerke Aktiengesellschaft
- Dietrich Tonnius
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 1H-pyrrol-2-acetic acid esters
- Patent number 4,493,935
- Issue date Jan 15, 1985
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-Chloro-indole preparation
- Patent number 4,377,699
- Issue date Mar 22, 1983
- Rutgerswerke Aktiengesellschaft
- Manfred Maurer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel process for the preparation of N,N'-bisacyl hydrazides
- Patent number 4,357,277
- Issue date Nov 2, 1982
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of bisacyl hydrazines
- Patent number 4,332,728
- Issue date Jun 1, 1982
- Rutgerswerke Aktiengesellschaft
- Winfried Orth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of bis-2-pyridyl-disulfides
- Patent number 4,256,892
- Issue date Mar 17, 1981
- Rutgerswerke Aktiengesellschaft
- Manfred Maurer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of .beta.-(5-nitro-2-furyl)-acrolein
- Patent number 4,228,083
- Issue date Oct 14, 1980
- Rutgerswerke Aktiengesellschaft
- Emmerich Pastorek
- C07 - ORGANIC CHEMISTRY

Winfried Orth

Person

Patents Grantslast 30 patents

Preparation of isomer-free 2,5-dichloro-pyridine

Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene

Preparation of 9,9-bis-(4-hydroxyphenyl)-fluorene

Production of pyridine-3-sulfonic acid

Novel separation process

Process for the production of 2-hydroxypyridine

Preparation of quinuclidine-3-methanol

Hair dye composition

Process for the production of 2-amino-3-nitro-6-(4-fluorobenzylamin...

Side chain chlorination process of heterocycles

Preparation of 2,5-diloweralkyl-1.4:3,6-dianhydrosorbitols

Method for preparation of 4-halogenonaphthalic acid anhydrides

Pyrrole containing 2-aminonitropyridine derivatives

Process for the preparation of fluorene-9-carboxylic acid

Oxidation of quinoline to quinolinic acid

Method for producing 3,5,6-trichloro-1H-pyridine-2-on

Novel process for the preparation of 2-halo-3-nitro-6-alkoxy-pyridines

Method for the production of phenanthrenequinone

Preparation of 1H-pyrrol-2-acetic acid esters

5-Chloro-indole preparation

Novel process for the preparation of N,N'-bisacyl hydrazides

Process for the preparation of bisacyl hydrazines

Preparation of bis-2-pyridyl-disulfides

Process for the production of .beta.-(5-nitro-2-furyl)-acrolein