Jan J. De Koning

Person

Rijswijk, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Cephem derivatives
- Patent number 5,359,058
- Issue date Oct 25, 1994
- Gist-Brocades, NV
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 5,164,494
- Issue date Nov 17, 1992
- Gist-Brocades N.V.
- Hendrik A. Witkamp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 3-exomethylene cepham derivatives
- Patent number 5,109,132
- Issue date Apr 28, 1992
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 3-exomethylenecepham sulfoxides and 2-chlorosulfinyl...
- Patent number 5,053,501
- Issue date Oct 1, 1991
- Gist-Brocades N.V.
- Jagdfish C. Kapur
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cepham derivatives
- Patent number 4,994,454
- Issue date Feb 19, 1991
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 3-exomethylene cepham derivatives
- Patent number 4,985,554
- Issue date Jan 15, 1991
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of cephem compounds
- Patent number 4,921,954
- Issue date May 1, 1990
- Gist-Brocades N.V.
- Hendrik A. Witkamp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 3-bromomethyl-3-cephem sulfoxides
- Patent number 4,182,870
- Issue date Jan 8, 1980
- Gist-Brocades N.V.
- Cornelis A. Bruynes
- C07 - ORGANIC CHEMISTRY

Jan J. De Koning

Person

Patents Grantslast 30 patents

Cephem derivatives

Cephalosporin derivatives

Process for the preparation of 3-exomethylene cepham derivatives

Preparation of 3-exomethylenecepham sulfoxides and 2-chlorosulfinyl...

Cepham derivatives

Process for the preparation of 3-exomethylene cepham derivatives

Process for the preparation of cephem compounds

Preparation of 3-bromomethyl-3-cephem sulfoxides