1
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
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 ...