Patents by Inventor Wolfgang Stix

Wolfgang Stix 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).

  • Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers
    Patent number: 4782115
    Abstract: The present invention relates toA. Thermoplastic moulding materials based on polydiorganosiloxane/polycarbonate block copolymers and ABS polymers andB. Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers, elastomeric polymers and, if appropriate, polyalkylene terephthalate.
    Type: Grant
    Filed: November 2, 1987
    Date of Patent: November 1, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Paul, Hans-Jurgen Kress, Wolfgang Stix, Christian Lindner, Dieter Neuray, Werner Nouvertne
  • Aromatic polyester with dimethylmaleimide end groups
    Patent number: 4663424
    Abstract: The present invention relates to aromatic polyester(carbonate)s with end groups of the formula (Ib) ##STR1## optionally mixed with known aromatic polyester(carbonate)s, their preparation by the phase boundary process or in homogeneous solution and their modification by irradiation.
    Type: Grant
    Filed: November 20, 1985
    Date of Patent: May 5, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Stix, Ludwig Bottenbruch
  • Thermoplastic moulding compositions
    Patent number: 4652607
    Abstract: The present invention relates to thermoplastic moulding compositions of (A) thermoplastic polycarbonates, if appropriate mixed with (B) thermoplastic polyalkylene terephthalates and, if appropriate, additionally with (C) elastomeric graft polymers, characterized in that they contain (D) a terpolymer of acrylates, vinyl esters and unsaturated nitriles.
    Type: Grant
    Filed: July 25, 1985
    Date of Patent: March 24, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Stix, Werner Nouvertne, Hartmuth Buding
  • Polyamide stabilized against the effect of light with maleic imide carboxylic acid chloride chain terminator
    Patent number: 4645822
    Abstract: Thermoplastic polyamides with improved stability against reduction in molecular weight due to the effect of light, which have maleic imides as end groups.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: February 24, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Werner Nielinger, Wolfgang Stix, Ludwig Bottenbruch
  • Moulding compositions comprising an aromatic polycarbonate and a sulfone group containing polyester
    Patent number: 4603170
    Abstract: Thermoplastic moulding compounds obtained from: from 98 to 10 parts, by weight, of aromatic polycarbonates having an average molecular weight M.sub.w (by light scattering) of from 10,000 to 200,000; from 60 to 0 parts, by weight, of polyalkylene terephthalate; from 30 to 0 parts, by weight, of graft polymer of one or more ethylenically unsaturated monomers on a rubber; and from 90 to 2 parts, by weight, of a polyester of terephthalic acid and a diol containing at least one diaryl sulphone group in the molecule and, optionally, an aliphatic diol in addition.
    Type: Grant
    Filed: August 23, 1985
    Date of Patent: July 29, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Mark W. Witman, Wolfgang Stix, Karl-Heinz Kohler, Leo Morbitzer
  • Aromatic polyesters which contain terminal or lateral radicals with two conjugated double bonds
    Patent number: 4582893
    Abstract: Aromatic polyesters based on diphenols, iso- and terephthalic acid, which contain terminal or lateral radicals with two conjugated double bonds, show greatly improved resistance to stress corrosion after tempering.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: April 15, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Schmidt, Wolfgang Stix, Ludwig Bottenbruch
  • Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers
    Patent number: 4569970
    Abstract: The present invention relates toA. Thermoplastic moulding materials based on polydiorganosiloxane/polycarbonate block copolymers and ABS polymers andB. Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers, elastomeric polymers and, if appropriate, polyalkylene terephthalate.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: February 11, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Winfried Paul, Hans-Jurgen Kress, Wolfgang Stix, Christian Lindner, Dieter Neuray, Werner Nouvertne
  • Thermoplastic moulding compositions
    Patent number: 4539370
    Abstract: The present invention relates to thermoplastic moulding compositions of (A) thermoplastic polycarbonates, mixed with (B) thermoplastic polyalkylene terephthalates and, if appropriate, with (C) elastomeric polymers, which are characterized in that they contain (D) a thermoplastic based on a polyether-imide.
    Type: Grant
    Filed: July 17, 1984
    Date of Patent: September 3, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Werner Nouvertne, Wolfgang Stix
  • Polycarbonates having terminal groups which contain conjugated double bonds
    Patent number: 4518747
    Abstract: The present invention is directed to molding compositions comprising aromatic, thermoplastic polycarbonate resins at least some molecular chains thereof are characterized in that their terminal groups contain conjugated double bonds. The invention is further directed to a process for the preparation of said compositions.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: May 21, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Stix, Ludwig Bottenbruch, Dieter Neuray
  • Polytetrahydrofurans containing terminal acrylate or methacrylate groups
    Patent number: 4412063
    Abstract: Polytetrahydrofurans containing terminal acrylate or methacrylate groups and having a molecular weight of from 200 to 10,000 and a process for producing such polytetrahydrofurans by homopolymerizing tetrahydrofuran, optionally in an organic solvent, together with acrylic acid anhydride and/or methacrylic acid anhydride and with the aid of a catalyst. The polytetrahydrofuran can be used as rubbers.
    Type: Grant
    Filed: April 2, 1982
    Date of Patent: October 25, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Heitz, Hans-Jurgen Kress, Wolfgang Stix