Jan Verweij

Person

Leiden, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Phytosphingosine-based ceramide I analogs
- Patent number 6,054,599
- Issue date Apr 25, 2000
- DSM N.V.
- Pieter Gijsbert Weber
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Phytosphingosine-based ceramide I analogs
- Patent number 5,919,960
- Issue date Jul 6, 1999
- Gist-Brocades, B.V.
- Pieter Gijsbert Weber
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Linoleoylamide based ceramide derivative and its use in cosmetic pr...
- Patent number 5,840,940
- Issue date Nov 24, 1998
- Gist Brocades B.V.
- Robertus Mattheus De Pater
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the efficient production of 7-ADCA via 3-(carboxyethylt...
- Patent number 5,795,733
- Issue date Aug 18, 1998
- Gist-brocades, B.V.
- Roelof Ary Lans Bovenberg
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Retinoylamide based derivatives of sphingoid bases
- Patent number 5,792,794
- Issue date Aug 11, 1998
- Gist-brocades, N.V.
- Johannes W. J. Lambers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the efficient production of 7-ADCA via 2-(carboxyethylt...
- Patent number 5,726,032
- Issue date Mar 10, 1998
- Gist Brocades B.V.
- Roelof Ary Lans Bovenberg
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Ceramide 3 derivatives based on monounsaturated fatty acids
- Patent number 5,693,677
- Issue date Dec 2, 1997
- Gist-Brocades N.V.
- Johannes Wilhelmus Jacobus Lambers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
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
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
Cephalosporin deoxygenation process
- Patent number 4,695,627
- Issue date Sep 22, 1987
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cephalosporin derivatives
- Patent number 4,046,761
- Issue date Sep 6, 1977
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 7-substituted amino-desacetoxycephalosporanic acid c...
- Patent number 4,035,352
- Issue date Jul 12, 1977
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidine derivatives
- Patent number 4,007,202
- Issue date Feb 8, 1977
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 7-substituted amino-desacetoxycephalosporanic acid c...
- Patent number 4,003,894
- Issue date Jan 18, 1977
- Gist-Brocades N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-Aminopenicillanic acid sulfoxide silyl esters
- Patent number 4,000,129
- Issue date Dec 28, 1976
- Koninklijke Nederlandsche Gist-En Spiritusfabriek N.V.
- Jan Verweij
- C07 - ORGANIC CHEMISTRY

Jan Verweij

Person

Patents Grantslast 30 patents

Phytosphingosine-based ceramide I analogs

Phytosphingosine-based ceramide I analogs

Linoleoylamide based ceramide derivative and its use in cosmetic pr...

Process for the efficient production of 7-ADCA via 3-(carboxyethylt...

Retinoylamide based derivatives of sphingoid bases

Process for the efficient production of 7-ADCA via 2-(carboxyethylt...

Ceramide 3 derivatives based on monounsaturated fatty acids

Cephem derivatives

Process for the preparation of 3-exomethylene cepham derivatives

Cepham derivatives

Process for the preparation of 3-exomethylene cepham derivatives

Process for the preparation of cephem compounds

Cephalosporin deoxygenation process

Process for preparing cephalosporin derivatives

Preparation of 7-substituted amino-desacetoxycephalosporanic acid c...

Azetidine derivatives

Preparation of 7-substituted amino-desacetoxycephalosporanic acid c...

6-Aminopenicillanic acid sulfoxide silyl esters