Freimund Rohrscheid

Person

Kelkheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of brominated or chlorinated aromatic c...
- Patent number 5,637,764
- Issue date Jun 10, 1997
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 5-fluoroanthranilic acid
- Patent number 5,523,472
- Issue date Jun 4, 1996
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of dixylylpropane
- Patent number 5,300,717
- Issue date Apr 5, 1994
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of fluorine containing monomers
- Patent number 5,288,908
- Issue date Feb 22, 1994
- Hoechst Aktiengesellschaft
- Jurgen Lau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Partially fluorinated tetracarboxylic acid and the dianhydride ther...
- Patent number 5,274,126
- Issue date Dec 28, 1993
- Hoechst AG
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Partially fluorinated dicarboxylic acid and the acid chloride there...
- Patent number 5,202,469
- Issue date Apr 13, 1993
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of alkanesulfonylbenzoic acids
- Patent number 5,175,351
- Issue date Dec 29, 1992
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Partially fluorinated tetracarboxylic acid and the dianhydride thereof
- Patent number 5,153,334
- Issue date Oct 6, 1992
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hexafluoroisopropyl-containing monomers, process for their preparat...
- Patent number 5,110,983
- Issue date May 5, 1992
- Hoechst Aktiengesellschaft
- Jurgen Lau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Partly fluorinated carboxylic acids and derivatives thereof, proces...
- Patent number 5,004,797
- Issue date Apr 2, 1991
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of high-purity 5,5'-[2,2,2-trifluoro-1-...
- Patent number 4,987,238
- Issue date Jan 22, 1991
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isolation of p-hydroxybenzaldehyde
- Patent number 4,772,754
- Issue date Sep 20, 1988
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isolation of p-hydroxybenzaldehyde
- Patent number 4,748,278
- Issue date May 31, 1988
- Hoechst Aktiengesellschaft
- Freimund Rohrscheid
- C07 - ORGANIC CHEMISTRY

Freimund Rohrscheid

Person

Patents Grantslast 30 patents

Process for the preparation of brominated or chlorinated aromatic c...

Process for the preparation of 5-fluoroanthranilic acid

Process for the preparation of dixylylpropane

Process for the preparation of fluorine containing monomers

Partially fluorinated tetracarboxylic acid and the dianhydride ther...

Partially fluorinated dicarboxylic acid and the acid chloride there...

Process for the preparation of alkanesulfonylbenzoic acids

Partially fluorinated tetracarboxylic acid and the dianhydride thereof

Hexafluoroisopropyl-containing monomers, process for their preparat...

Partly fluorinated carboxylic acids and derivatives thereof, proces...

Process for the preparation of high-purity 5,5'-[2,2,2-trifluoro-1-...

Process for the isolation of p-hydroxybenzaldehyde

Process for the isolation of p-hydroxybenzaldehyde