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Klaus Elfert, Hans Jurgen Rosenkranz, Hans Rudolf: Separation of aromatic hydrocarbons from mixtures, using polyurethane membranes. Bayer Aktiengesellschaft, Burgess Dinklage & Sprung, September 19, 1978: US04115465 (66 worldwide citation)

A process for separating an aromatic hydrocarbon of the general formula ##STR1## wherein R represents an alkyl group having 1 to 3 carbon atoms and


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Hans Joachim Traenckner, Karl Fuhr, Hans Jurgen Rosenkranz, Manfred Patheiger deceased, Hans Rudolph: Hardenable coating compositions. Bayer Aktiengesellschaft, Connolly and Hutz, March 28, 1978: US04081492 (20 worldwide citation)

A coating composition comprising as binder a reaction product of a polyepoxide with more than one 1,2-epoxide group per molecule, wherein its epoxide groups have been reacted


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Karl Ernst Schuster, Hans Jurgen Rosenkranz, Hans Rudolph: Highly reactive sulphur-containing coating agents hardening under UV-light. Bayer Aktiengesellschaft, Connolly and Hutz, September 20, 1977: US04049745 (9 worldwide citation)

An air-drying coating composition comprising a reaction product of a polyepoxide with more than one 1,2-epoxide group per molecule, at least 60% of whose epoxide groups have been reacted


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Heinz Peter Hemmerich, Hans Jurgen Rosenkranz, Wolfgang Papenroth, Aloys Klaeren: Chalking-resistant titanium dioxide pigment. Bayer Aktiengesellschaft, Burgess Dinklage & Sprung, December 13, 1977: US04062692 (9 worldwide citation)

A chalking-resistant titanium dioxide pigment is produced by mixing the pigment with a vinyl polymer, in form of an aqueous latex, applying the polymer to the pigment in quantities of about 0.1 to 30% by weight based on the final pigment and the mixture containing at least about 30% of water by weig ...


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Hans Jurgen Rosenkranz, Hans Rudolph, Erich Wolff, Harald VON Rintelen: Polymers which can be cross-linked by photopolymerization. Agfa Gevaert, Connolly and Hutz, January 4, 1977: US04001016 (8 worldwide citation)

Relief or resist images can be produced by means of a photosensitive material including a photosensitive layer with a polymer as defined hereinafter containing vinyl groups capable of being cross-linked upon exposure to actinic light to yield unsoluble cross-linked products at the exposed areas whil ...


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Kurt Rainer Stahlke, Werner Krafft, Rudolf Meyer, Hans Jurgen Rosenkranz: Light-sensitive material containing a dye-forming combination of a heterocyclic compound and a cyclic dihalodicarbonyl compound in a polymeric binder. Agfa Gevaert, Connolly and Hutz, June 21, 1977: US04030926 (7 worldwide citation)

A storage medium for optical data recording comprises a dye-forming combination which on exposure to light within a first range of wavelengths reacts irreversibly to form a dye, but is substantially insensitive to light within a second range of wavelengths which is capable of energizing the dye to p ...


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Hans Jurgen Rosenkranz, Hans Rudolph, Gerhard Apel: Stabilized acrylic acid esters of polyhydric alcohols and a process for their preparation. Bayer Aktiengesellschaft, Connolly and Hutz, October 11, 1977: US04053504 (7 worldwide citation)

Stabilized acrylic acid esters of polyhydric alcohols which contain as stabilizers polymerisation inhibitors including small amounts of compounds of the styrene type show a non-reduced polymerisation reactivity.