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Klaus Heckmann, Georg Manecke, Beate Pfannenmuller, Klaus Ring, Helmut Ringsdorf: Hyperfiltration membranes having separation layers of monomolecular films of surfactants. Klaus Heckmann, Walter H Schneider, July 19, 1988: US04758342 (15 worldwide citation)

The invention relates to a hyperfiltration membrane containing a supporting layer and a separation layer. The membrane is characterized in that the separation layer consists of a crosslinked monomolecular film of molecules, the molecules of the separation layer in the uncrosslinked state being surfa ...


2
Klaus Heckmann, Georg Manecke, Beate Pfannenmuller, Klaus Ring, Helmut Ringsdorf: Process for the production of hyperfiltration membranes. Klaus Heckmann, Walter H Schneider, October 10, 1989: US04873033 (11 worldwide citation)

The invention relates to a hyperfiltration membrane containing a supporting layer and a separation layer. The membrane is characterized in that the separation layer consists of a crosslinked monomolecular film of molecules, the molecules of the separation layer in the uncrosslinked state being surfa ...


3
Alexandra Atzesdorfer, Klaus Heckmann, Josef Thumbs: Plastic compositions for sheathing a metal or semiconductor body. Infineon Technologies, Herbert L Lerner, Laurence A Greenberg, Werner H Stemer, April 2, 2002: US06365269 (9 worldwide citation)

The adhesion of plastic to metal surfaces is improved by adding a specific filler in the sheathing material. The filler is formed of spherical SiO


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Bohuslav Dobias, Klaus Heckmann: Method to directly bond rubber to metal. Klaus Heckmann, October 27, 1981: US04297159 (9 worldwide citation)

Process for the direct joining of rubber to metal surfaces by vulcanization using a rubber mixture containing the additives common for sulfur vulcanization wherein either the rubber mixture contains additionally tellurium, tellurium alloys and/or tellurium compounds as bonding aid, or that tellurium ...


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Klaus Heckmann, Walter Rieger, Reinhard Kroebel: Process for the stripping of cesium ions from aqueous solutions. Kernforschungszentrum Karlsruhe, Sughrue Mion Zinn Macpeak & Seas, December 13, 1988: US04790960 (8 worldwide citation)

A process for the stripping of cesium ions from an aqueous solution in which a precipitation agent is added to the aqueous solution and the resulting precipitate, containing the CS.sup.+ ions is stripped from the solution. Sodium or lithium tetraphenylborates, carrying electron-attracting substituen ...


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Klaus Heckmann, Jiri Spurny: Process for selective separation of plutonium from uranium and other metals. Kernforschungszentrum Karlsruhe, Walter H Schneider, September 2, 1986: US04609533 (5 worldwide citation)

A process for selectively separating plutonium from uranium and other metals is disclosed wherein, in order to precipitate and remove the pertaining complexes, use is made of a sufficient quantity of a cationic compound containing at least one group adapted to assert affinity to polar surfaces and c ...


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Klaus Heckmann, Jiri Spurny: Process for selective separation of plutonium from uranium and other metals. Kernforschungszentrum Karlsruhe, Walter H Schneider, May 27, 1986: US04591488 (5 worldwide citation)

A process for selectively separating plutonium from uranium and other metals is disclosed wherein, in order to precipitate and remove the pertaining complexes, use is made of a sufficient quantity of a cationic compound containing at least one group adapted to assert affinity to polar surfaces and c ...


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Klaus Heckmann, Jiri Spurny: Process for the selective separation of uranium from accompanying metals. Kernforschungszentrum Karlsruhe, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, December 4, 1984: US04486392 (4 worldwide citation)

Disclosed is a process for the selective separation of uranium from metals accompanying it in a uranium-containing ore, comprising the steps of preparing a uranium-containing solution; adding to the solution (i) hydrochloric acid in an amount sufficient to form complex anions of the type


9
Klaus Heckmann, Jiri Spurny: Process for selective separations of plutonium from uranium and other metals. Kernforschungszentrum Karlsruhe, Walter H Schneider, February 16, 1988: US04725413 (2 worldwide citation)

A process for selectively separating plutonium from uranium and other metals is disclosed wherein, in order to precipitate and remove the pertaining complexes, use is made of a sufficient quantity of a cationic compound containing at least one group adapted to assert affinity to polar surfaces and c ...


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