Norbert Krass

Person

Frankfurt am Main, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Compounds for treating disorders of lipid metabolism and their prep...
- Patent number 5,939,424
- Issue date Aug 17, 1999
- Hoechst Aktiengesellschaft
- Hans Georg Boger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compounds for treating disorders of lipid metabolism and their prep...
- Patent number 5,773,447
- Issue date Jun 30, 1998
- Hoechst Aktiengesellschaft
- Gerhard Rackur
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cephem prodrug esters
- Patent number 5,637,721
- Issue date Jun 10, 1997
- Hoechst Aktiengesellschaft
- Elisabeth Defossa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxyl...
- Patent number 5,614,623
- Issue date Mar 25, 1997
- Hoechst Aktiengesellschaft
- Gerd Fischer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cephem prodrug esters
- Patent number 5,589,594
- Issue date Dec 31, 1996
- Hoechst Aktiengesellschaft
- Elisabeth Defossa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diastereomers of 1-(isopropoxycarbonyloxy) ethyl 3-cephem 4-carboxy...
- Patent number 5,550,232
- Issue date Aug 27, 1996
- Hoechst Aktiengesellschaft
- Gerd Fischer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate
- Patent number 5,461,043
- Issue date Oct 24, 1995
- Hoechst Aktiengesellschaft
- Gerd Fischer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the cleavage of cephalosporin prodrug esters to 7-amino...
- Patent number 5,410,042
- Issue date Apr 25, 1995
- Hoechst Aktiengesellschaft
- Norbert Krass
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetracyclic antibiotics and processes for their preparation
- Patent number 5,405,844
- Issue date Apr 11, 1995
- Hoechst Aktiengesellschaft
- Uwe Gerlach
- C07 - ORGANIC CHEMISTRY

Norbert Krass

Person

Patents Grantslast 30 patents

Compounds for treating disorders of lipid metabolism and their prep...

Compounds for treating disorders of lipid metabolism and their prep...

Process for the preparation of cephem prodrug esters

Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxyl...

Process for the preparation of cephem prodrug esters

Diastereomers of 1-(isopropoxycarbonyloxy) ethyl 3-cephem 4-carboxy...

Diastereomers of 1-(isopropoxycarbonyloxy)ethyl 3-cephem-4-carboxylate

Process for the cleavage of cephalosporin prodrug esters to 7-amino...

Tetracyclic antibiotics and processes for their preparation