Wilfried Pressler

Person

Kelkheim/Taunus, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 4-(4'-chlorobiphenyl-4-yl)-4...
- Patent number 6,265,607
- Issue date Jul 24, 2001
- Clariant GmbH
- Andreas Meudt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of chlorofluronitrobenzenes and difluor...
- Patent number 5,545,768
- Issue date Aug 13, 1996
- Hoechet AG
- Theodor Papenfhus
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of chlorofluoronitrobenzenes
- Patent number 5,463,148
- Issue date Oct 31, 1995
- Hoechst Aktiengesellschaft
- Theodor Papenfuhs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane
- Patent number 5,276,203
- Issue date Jan 4, 1994
- Hoechst Aktiengesellschaft
- Theodor Papenfuhs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing aromatic polyamides of high hydrolysis resist...
- Patent number 5,149,759
- Issue date Sep 22, 1992
- Hoechst Aktiengesellschaft
- Georg-Emrich Miess
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparatio...
- Patent number 4,277,606
- Issue date Jul 7, 1981
- Hoechst Aktiengesellschaft
- Helmut Meidert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8-tetrahy...
- Patent number 4,226,997
- Issue date Oct 7, 1980
- Hoechst Aktiengesellschaft
- Helmut Meidert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of N,N'-diacetylethylene diamine
- Patent number 4,219,500
- Issue date Aug 26, 1980
- Hoechst Aktiengesellschaft
- Gunter Roscher
- C07 - ORGANIC CHEMISTRY

Wilfried Pressler

Person

Patents Grantslast 30 patents

Process for the preparation of 4-(4&#x00027;-chlorobiphenyl-4-yl)-4...

Process for the preparation of chlorofluronitrobenzenes and difluor...

Process for the preparation of chlorofluoronitrobenzenes

Process for the preparation of 1,2-bis-(2-nitrophenoxy)-ethane

Process for preparing aromatic polyamides of high hydrolysis resist...

8-Oxo-5,6,7,8-tetrahydro-2-quinolone and process for the preparatio...

8-Chloro-5,6,7,8-tetrahydro-2-quinolone and 8-bromo-5,6,7,8-tetrahy...

Process for the manufacture of N,N'-diacetylethylene diamine

Process for the preparation of 4-(4'-chlorobiphenyl-4-yl)-4...