Patents
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Patent Number Year Symeres Authors Customer Immunological detection of organophosphates EP629206 1994 US5677432 1997 WO9317030 1993 1993 Hans Wijnberg, Wolter ten Hoeve The Horticulture and Food Research Institute of New Zealand Limited -
Patent Number Year Symeres Authors Customer Hydroxylated ene ketones, acetylenic Grignards and hydroxylated yne ketones therefrom EP414180 1991 US04973756 1990 1990 Hans Wijnberg, Wolter ten Hoeve, Gert Barf, Jan Koek Marion Laboratories, Inc. -
Patent Number Year Symeres Authors Customer Method for the photochemical isomerization of organic compounds under the influence of a photosensitizer US5252191A 1990 Wolter ten Hoeve Philips -
Patent Number Year Symeres Authors Customer Resolution of 3-(4-methoxyphenyl)glycidic acid with in situ conversion to alkyl esters US4885375 1989 1989 Hans Wijnberg, Wolter ten Hoeve Marion Laboratories, Inc. -
Patent Number Year Symeres Authors Customer 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 EP340826 1989 1989 Kees Pouwer, Ton Vries, Hans Wijnberg Philips -
Patent Number Year Symeres Authors Customer Improved resolution of 3-(4-methoxyphenyl)glycidic acid with in situ conversion to alkyl esters EP342903 1989 1989 Hans Wijnberg, Wolter ten Hoeve Marion Laboratories, Inc. -
Patent Number Year Symeres Authors Customer Dioxaphosphorinanes, their preparation and use for resolving optically active compounds US4814477 1989, EP180276 1986 1986 Hans Wijnberg, Wolter ten Hoeve Océ Nederland B.V.
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