Hans Helmut Goertz, Stefan Marcinowski, Axel Sanner: Water-insoluble protein material, its preparation and its use. BASF Aktiengesellschaft, Keil & Weinkauf, October 23, 1984: US04478976 (321 worldwide citation)

A biologically active protein which is bonded to a water-insoluble porous copolymer based on N-vinylimidazole and/or substituted N-vinylimidazoles and monomers which can be copolymerized therewith, its preparation and its use for carrying out enzymatic reactions.

Chung Ji Tschang, Stefan Marcinowski: Macroporous, hydrophilic enzyme carrier. BASF Aktiengesellschaft, Keil & Weinkauf, November 5, 1985: US04551482 (15 worldwide citation)

A macroporous, hydrophilic enzyme carrier comprises a sulfonated polymer, charged with polyethyleneimine, of from 10 to 100% by weight of divinylbenzene, from 0 to 90% by weight of styrene and from 0 to 20% by weight of a copolymerizable monomer, the polyethyleneimine being neither crosslinked nor c ...

Elard Jacob, Karsten Henco, Stefan Marcinowski, Gerhard Schenk: Preparation of mesophilic microorganisms which contain a D-hydantoinase which is active at elevated temperature. BASF Aktiengesellschaft, Oblon Spivak McClelland Maier & Neustadt, March 27, 1990: US04912044 (8 worldwide citation)

A description is given of a genertic engineering process for the preparation of mesophilic microorganisms which contain a hydantoinase active at elevated temperature, and of DNA sequences which code for this enzyme.


Hans Helmut Goertz, Stefan Marcinowski, Axel Sanner: Preparation of an insoluble biocatalyst. BASF Aktiengeselschaft, Keil & Weinkauf, August 16, 1988: US04764467 (5 worldwide citation)

An insoluble biocatalyst is prepared by forming a mixture consisting essentially of the biocatalyst, one or more water-soluble compounds having two or more acrylamide or meth-acrylamido groups and one or more water soluble amines possessing two or more hydrogen atoms bonded to an amine nitrogen, and ...

Rolf Lungershausen, Christoph Martin, Stefan Marcinowski, Hardo Siegel, Werner Kuesters: Preparation of D-N-carbamyl-.alpha.-aminoacids and micro-organisms for carrying out this preparation. BASF Aktiengesellschaft, Keil & Witherspoon, November 29, 1983: US04418146 (4 worldwide citation)

A process for the preparation of D-carbamyl-.alpha.-aminoacids of the formula ##STR1## where R has the meanings given in the description, by enzymatic cleavage of the corresponding hydantoins by means of thermophilic, non-sporulating hydantoin-cleaving micro-organisms or of extracts therefrom.