Patents by Inventor Ulrich Haberland

Ulrich Haberland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sizing glass fibers for thermoplastic resin reinforcement
    Patent number: 4289672
    Abstract: Glass fibers for reinforcing thermoplastic resins are sized with an aqueous dispersion comprising a polyurethane-ionomer as a film-forming agent and a bonding agent comprising an epoxy-containing alkoxysilane. Advantageously the polyurethane is a very small particle ionomer and the bonding agent is selected from the group consisting of(a) an epoxyalkyl alkoxysilane+an aminoalkyl alkoxysilane,(b) an epoxyalkyl alkoxysilane+a low-molecular weight aliphatic primary or secondary mono-amine,(c) an aminoalkyl alkoxysilane+a low-molecular weight monoepoxide, and(d) an epoxyalkyl alkoxysilane.
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: September 15, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Friederich, Gerhard Heinze, Helmut Reiff, Dietrich Michael, Manfred Schon, Peter Markusch, Ulrich Haberland, Dieter Dieterich, Josef Merten
  • Tetraphenol containing polycarbonates
    Patent number: 4001183
    Abstract: The subject matter of the invention relates to 1,4-bis-(4',4"-dihydroxy-triphenyl-methyl)-benzene and to plastics, in particular to branched polycarbonates, on the basis of this tetra-hydroxy-compound.
    Type: Grant
    Filed: March 13, 1975
    Date of Patent: January 4, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Freitag, Ulrich Haberland, Heinrich Krimm
  • Composite sheet structures
    Patent number: 3983306
    Abstract: Composite sheet structures of polyethylene and of copolyamides of .epsilon.-caprolactam, 3-aminomethyl-3,5,5-trimethyl-cyclohexylamine and isophthalic acid.
    Type: Grant
    Filed: February 22, 1974
    Date of Patent: September 28, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Werner Nielinger, Rolf Dhein, Ulrich Haberland, Dietrich Michael, Karl-Heinz Hermann