Patents by Inventor Horst Beicher

Horst Beicher 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).

  • Flame-resistant molding compounds
    Patent number: 6590015
    Abstract: The invention relates to flame-resistant poly-carbonate/ABS molding compounds which are considerably improved in their mechanical properties and thermal stability by an addition of polyalkylene terephthalate and an oligomeric phosphate.
    Type: Grant
    Filed: January 3, 1995
    Date of Patent: July 8, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Eckel, Dieter Wittmann, Horst Beicher
  • Flameproofed polycarbonate/ABS blends resistant to stress cracking
    Patent number: 5750602
    Abstract: The invention relates to flameproofed polycarbonate/ABS blends which are resistant to stress cracking, wherein the polycarbonates are wholly or partly modified by halobutyl rubber blocks.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: May 12, 1998
    Assignee: Bayer AG
    Inventors: Burkhard Kohler, Jurgen Kirsch, Richard Weider, Dieter Wittmann, Horst Beicher
  • Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer
    Patent number: 5635560
    Abstract: The invention relates to mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer, which are distinguished by a good low-temperature strength and stress cracking resistance and good mould release properties.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: June 3, 1997
    Assignee: Bayer AG
    Inventors: Burkhard Kohler, Dieter Wittmann, Wolfgang Ebert, Horst Beicher, Werner Tischer, Klaus Horn
  • Powder mixtures for matt polycarbonate molding compounds
    Patent number: 5484846
    Abstract: Thermoplastic molding compounds containingA. 10 to 99 parts by weight polycarbonate or polyester carbonateB. 0 to 90 parts by weight of a rubber-free resin compatible or partly compatible with component A.,C. 0 to 90 parts by weight of a rubber-modified resin compatible or partly compatible with component A.,D. 0.5 to 10 parts by weight, based on 100 parts by weight of A+B+C, of a rubber component having a glass transition temperature below 0.degree. C. which is incompatible with component A,characterized in that component D is used in the form of a powder mixture D* produced froma. 1 to 50 parts by weight of an ungrafted particulate rubber component having a glass transition temperature below 0.degree. C. and an average particle diameter d.sub.50 of 0.05 to 5 .mu.m in latex form andb. 50 to 99 parts by weight of component B, component C or a mixture of components B and C in latex form,the components mentioned under a. and b.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: January 16, 1996
    Assignee: Bayer AG
    Inventors: Dieter Wittman, Jochen Schoeps, Horst Beicher, Karl-Erwin Piejko, Kurt Weirauch