Patents by Inventor Heinz Bonten

Heinz Bonten 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).

  • .alpha.-amino-.epsilon.-caprolactam-modified polyamide of dicarboxylic acids/diamines
    Patent number: 4892927
    Abstract: This invention relates to thermoplastically deformable, high molecular weight, slightly branched aliphatic polyamides prepared by the polycondensation of polyamide-forming, aliphatic diamine/dicarboxylic acid mixtures, optionally with the addition of lactams and special amino acids, in the presence of small quantities of .alpha.-amino-.epsilon.-caprolactam, and optionally their thermal solid phase after-condensation.
    Type: Grant
    Filed: April 18, 1988
    Date of Patent: January 9, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf-Volker Meyer, Rolf Dhein, Michael Dietrich, Heinz Bonten, Hans-Detlef Heinz, Peter-Rolf Muller
  • Flame-proof, glass fibre-reinforced polyamide moulding materials
    Patent number: 4789698
    Abstract: Polyamide moulding materials which have been reinforced with unsized glass fibres and to which a flame-proof finish has been imparted by means of melamine or melamine cyanurate and which have a high glow wire resistance.
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: December 6, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Bonten, Werner Nielinger, Dietrich Michael, Harald Selbeck, Rolf-Volker Meyer
  • Fire-resistant polyamide moulding compositions
    Patent number: 4525505
    Abstract: This invention relates to flame-proved polyamide moulding compositions containing a combination of from 10 to 18%, by weight melamine and from 1 to 7% by weight of a thermoplastic polyacetal, in each case based on the moulding composition.
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: June 25, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinz Bonten, Werner Nielinger, Dietrich Michael, Heinrich Haupt