Home / What’s new? / Patents

Patents


Patent

Method of preparing aryl(homo)piperazines

Number
EP556889 1993 US5463050 1995
Year
1993
Customer
Duphar
Site
Groningen
Department
Development
MCS People
Wolter ten Hoeve, Janet Thiecke, Hans Wijnberg
Patent

Hydroxylated ene ketones, acetylenic Grignards and hydroxylated yne ketones therefrom

Number
EP414180 1991 US04973756 1990
Year
1990
Customer
Marion Laboratories, Inc.
Site
Groningen
Department
Discovery
MCS People
Hans Wijnberg, Wolter ten Hoeve, Gert Barf, Jan Koek
Patent

Method for the photochemical isomerization of organic compounds under the influence of a photosensitizer

Number
US5252191A
Year
1990
Customer
Philips
Site
Groningen
Department
Discovery
MCS People
Wolter ten Hoeve
Patent

Improved resolution of 3-(4-methoxyphenyl)glycidic acid with in situ conversion to alkyl esters

Number
EP342903 1989
Year
1989
Customer
Marion Laboratories, Inc.
Site
Groningen
Department
Discovery
MCS People
Hans Wijnberg, Wolter ten Hoeve
Patent

Method of manufacturing conductive heterocyclic polymers, new heterocyclic conductive polymers, new intermediate products for the preparation of the polymers, and synthesis of the intermediate products

Number
EP340826 1989
Year
1989
Customer
Philips
Site
Groningen
Department
Development
MCS People
Kees Pouwer, Ton Vries, Hans Wijnberg
Patent

Resolution of 3-(4-methoxyphenyl)glycidic acid with in situ conversion to alkyl esters

Number
US4885375 1989
Year
1989
Customer
Marion Laboratories, Inc.
Site
Groningen
Department
Discovery
MCS People
Hans Wijnberg, Wolter ten Hoeve
Patent

Dioxaphosphorinanes, their preparation and use for resolving optically active compounds

Number
US4814477 1989, EP180276 1986
Year
1986
Customer
Océ Nederland B.V.
Site
Groningen
Department
Discovery
MCS People
Hans Wijnberg, Wolter ten Hoeve

Scroll to top