Hermann Richtzenhain

Person

Much-Schwellenbach, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Method of preparing terephthalic acid dichloride and isophthalic ac...
- Patent number 4,091,017
- Issue date May 23, 1978
- Dynamit Nobel Aktiengesellschaft
- Hermann Richtzenhain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing 3-methyl pyridine
- Patent number 4,086,237
- Issue date Apr 25, 1978
- Dynamit Nobel Aktiengesellschaft
- Gerhard Daum
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of carboxylic acid chlorides of the ben...
- Patent number 4,080,378
- Issue date Mar 21, 1978
- Dynamit Nobel Aktiengesellschaft
- Gunter Zoche
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyether esters
- Patent number 4,078,148
- Issue date Mar 7, 1978
- Dynamit Nobel Aktiengesellschaft
- Norbert Vollkommer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilization of 1,1,1-trichloroethane with a four component system
- Patent number 4,069,265
- Issue date Jan 17, 1978
- Dynamit Nobel Aktiengesellschaft
- Hermann Richtzenhain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing arylacetic acid alkyl esters
- Patent number 4,060,690
- Issue date Nov 29, 1977
- Dynamit Nobel Aktiengesellschaft
- Moustafa El-Chahawi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrahalogen xylylene diacrylates, tetrahalogen xylyl acrylates, pe...
- Patent number 4,059,618
- Issue date Nov 22, 1977
- Dynamit Nobel Aktiengesellschaft
- Georg Blumenfeld
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of cyanopyridines from piperidines
- Patent number 4,057,552
- Issue date Nov 8, 1977
- The Lummus Company
- Hermann Richtzenhain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of .alpha.,.alpha.,.alpha..alpha.',.alp...
- Patent number 4,056,454
- Issue date Nov 1, 1977
- Dynamit Nobel Aktiengesellschaft
- Paul Riegger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Difficultly inflammable polyester molding compositions
- Patent number 4,056,508
- Issue date Nov 1, 1977
- Dynamit Nobel Aktiengesellschaft
- Werner Schmidt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of pyridines and nicotinonitrile from piperidines
- Patent number 4,051,140
- Issue date Sep 27, 1977
- The Lummus Company
- Abraham P. Gelbein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing p-nitrobenzoic acid
- Patent number 4,007,223
- Issue date Feb 8, 1977
- Dynamit Nobel Aktiengesellschaft
- Marcel Feld
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing arylacetic acid alkyl esters
- Patent number 3,974,202
- Issue date Aug 10, 1976
- Dynamit Nobel Aktiengesellschaft
- Moustafa El-Chahawi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilization of 1,1,1-trichloroethane with a three component system
- Patent number 3,959,397
- Issue date May 25, 1976
- Dynamit Nobel Aktiengesellschaft
- Hermann Richtzenhain
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,2-bis-(4-hydroxy-3-chlorophenyl)-p...
- Patent number 3,932,535
- Issue date Jan 13, 1976
- Dynamit Nobel Aktiengesellschaft
- Gunter Zoche
- C07 - ORGANIC CHEMISTRY

Hermann Richtzenhain

Person

Patents Grantslast 30 patents

Method of preparing terephthalic acid dichloride and isophthalic ac...

Method of preparing 3-methyl pyridine

Process for the preparation of carboxylic acid chlorides of the ben...

Polyether esters

Stabilization of 1,1,1-trichloroethane with a four component system

Method of preparing arylacetic acid alkyl esters

Tetrahalogen xylylene diacrylates, tetrahalogen xylyl acrylates, pe...

Production of cyanopyridines from piperidines

Process for the preparation of .alpha.,.alpha.,.alpha..alpha.',.alp...

Difficultly inflammable polyester molding compositions

Preparation of pyridines and nicotinonitrile from piperidines

Method of preparing p-nitrobenzoic acid

Method of preparing arylacetic acid alkyl esters

Stabilization of 1,1,1-trichloroethane with a three component system

Process for the preparation of 2,2-bis-(4-hydroxy-3-chlorophenyl)-p...