Patents by Inventor Horst Peters

Horst Peters 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).

  • Patent number: 4746701
    Abstract: The present invention relates to thermoplastic moulding compositions containing (A) 20 to 80 parts by weight of a polydiorganosiloxane/polycarbonate block copolymer, (B) 70 to 5 parts by weight of a graft polymer in particle form and (C) 5 to 60 parts by weight of a rubber-free, thermoplastic vinyl polymer, the total of parts by weight of components (A)+(B)+(C) being in each case 100 parts by weight, and, if appropriate, other known additives.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: May 24, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jurgen Kress, Winfried Paul, Horst Peters, Jochen Schoeps, Karl-Heinz Ott
  • Patent number: 4742104
    Abstract: The present invention relates to thermoplastic moulding compositions containing thermoplastic polycarbonates, graft polymers, rubber-free copolymers and, if appropriate, copolymeric rubbers, and also, if appropriate, conventional additives, which are characterized in that the rubber-free copolymers contain internal epoxide compounds.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: May 3, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Lindner, Otto Koch, Hans-Jurgen Kress, Horst Peters
  • Patent number: 4731405
    Abstract: The present invention relates to moulding materials, containing halogenated copolycarbonates, graft polymers based on an acrylate rubber, thermoplastic copolymers, tetrafluoroethylene polymers, metal compounds of antimony or bismuth, TiO.sub.2 and also, if appropriate, low molecular weight, organic halo compounds, stabilizers, flow agents, antistatic agents and/or mould release agents, and also a process for the preparation of these moulding materials.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: March 15, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jurgen Kirsch, Horst Peters, Peter Baasch, Hans-Jurgen Kress, Christian Lindner
  • Patent number: 4692488
    Abstract: The present invention relates to high-impact, flame-repellant thermoplastic polycarbonate moulding compositions consisting of halogen-free polycarbonates, halogen-free copolymers of styrenes and (meth)acrylonitrile, halogen-free phosphorus compounds of the formula (I) ##STR1## tetrafluoroethylene polymers and small amounts of graft polymers and, if appropriate, effective amounts of stabilizers, pigments, flow control agents, mould release agents and/or antistatics, and a process for their preparation.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: September 8, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jurgen Kress, Friedemann Muller, Christian Lindner, Horst Peters, Josef Buekers
  • Patent number: 4683265
    Abstract: The present invention relates to thermoplastic moulding compositions consisting of polycarbonates, graft polymers and copolymers, which are characterized in that they contain special graft polymers and/or special copolymers, with the result that these moulding compositions possess a very homogeneous rubber distribution and furthermore possess very good toughness and heat stability and substantially improved heat distortion resistance.
    Type: Grant
    Filed: April 7, 1986
    Date of Patent: July 28, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jurgen Kress, Christian Lindner, Leo Morbitzer, Horst Peters, Karl-Heinz Ott, Jochen Schoeps
  • Patent number: 4622363
    Abstract: The present invention relates to the use of a copolymer with an Mw of 2.times.10.sup.6 to 1.times.10.sup.7 in amounts of 0.5 to 5 parts by weight for improving the heat distortion point of thermoplastic mixtures containing polycarbonates, graft polymers and copolymers, and the thermoplastic mixtures correspondingly rendered dimensionally stable under the influence of heat.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: November 11, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Herbert Eichenauer, Hans-Jurgen Kress, Karl-Heinz Ott, Horst Peters, Josef Buekers
  • Patent number: 4596851
    Abstract: The present invention relates to thermoplastic moulding compositions containing thermoplastic polycarbonates, graft polymers, rubber-free copolymers and, if appropriate, copolymeric rubbers, and also, if appropriate, conventional additives, which are characterized in that the rubber-free copolymers contain internal epoxide compounds.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: June 24, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Lindner, Otto Koch, Hans-Jurgen Kress, Horst Peters
  • Patent number: 4564654
    Abstract: The present invention relates to a process for the preparation and/or further processing of polymer blends of thermoplastic, aromatic tetramethylbisphenol F-containing polycarbonates with styrene/acrylonitrile copolymers and/or with styrene/acrylonitrile graft polymers on special rubbers.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: January 14, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Serini, Christian Lindner, Horst Peters, Wolfgang Nising
  • Patent number: 4563496
    Abstract: This invention relates to self-extinguishing thermoplastic moulding compositions of an aromatic polycarbonate containing a co-condensed halogen, a thermoplastic copolymer containing nucleus-alkylated styrene and an ABS as graft copolymer.
    Type: Grant
    Filed: October 15, 1984
    Date of Patent: January 7, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Lindner, Friedemann Muller, Horst Peters, Hans-Jurgen Kress, Josef Buekers
  • Patent number: 4463130
    Abstract: This invention relates to flame-resistant polymer mixtures of polycarbonate, styrene polymer and/or graft polymer and polyphosphate, which mixtures may contain organic chlorine and bromine compounds and polytetrafluoroethylene used for the production of moulded articles such as electrical housings, electrical insulators, and for moulded automobile parts such as coverings, dashboards and so forth.
    Type: Grant
    Filed: August 31, 1983
    Date of Patent: July 31, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Volker Serini, Horst Peters, Udo Rudolph, Josef Buekers, Werner Nouvertne, Dieter Freitag
  • Patent number: 4461868
    Abstract: The present invention relates to mixtures comprising(a) thermoplastic aromatic polycarbonates having Mw (weight average molecular weight) of 10,000 to 200,000, preferably 20,000 to 80,000 (determined by measuring the relative viscosity .eta.rel in CH.sub.2 Cl.sub.2 at 25.degree. C. and a concentration of 0,5 g per 100 ml CH.sub.2 Cl.sub.2(b) thermoplastic polymers of C.sub.1 -C.sub.4 --alkyl methacrylates having Mw (weight average moleculr weight) of 10,000 to 1,000,000 (measured in dimethylformamide at 25.degree. C.) and(c) particulate graft polymers of methyl methacrylate onto a particulate, highly crosslinked alkyl acrylate-rubber which can optionally also contain a crosslinked diene rubber as an inner core, as well as to thermoplastic moulding compositions based on thermoplastic ABS resins or thermoplastic SAN resins which contain the three-component mixture (a)+(b)+(c).
    Type: Grant
    Filed: March 9, 1983
    Date of Patent: July 24, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Lindner, Karl-Heinz Ott, Horst Peters, Josef Buekers, Dieter Neuray
  • Patent number: 4415692
    Abstract: This invention relates to the thermal stabilization of mixtures of aromatic polycarbonates and ABS polymers using 0.01 to 3% by weight, based on the total mixture, of esters of boric acid, in particular with ortho and/or para-alkyl substituted phenols or the corresponding bis-phenols.
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: November 15, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karsten Idel, Hans-Josef Buysch, Horst Peters, Josef Buekers
  • Patent number: 4381359
    Abstract: Stabilized thermoplastic moulding compositions comprising (1) from 10 to 90 parts by weight of a polycarbonate, based on aromatic dihydroxy compounds; and (2) from 90 to 10 parts by weight of a mixture of (2.1) from 25 to 100 parts by weight of a graft copolymer of a monomer mixture of styrene, methyl methacrylate or acrylonitrile polymerized on a rubber; of (2.2) from 0 to 20 parts by weight of a butadiene polymer having a butadiene content of at least 5 parts by weight; and (2.3) from 0 to 75 parts by weight of a copolymer of styrene, .alpha.-methyl styrene, methyl methacrylate, acrylonitrile or methacrylonitrile; containing 0.01 to 3.0% by weight, based on the whole stabilized mixture, of at least one ester of phosphorous acid and an ortho- or para-substituted phenol or bisphenol, and a process for their production.
    Type: Grant
    Filed: September 16, 1981
    Date of Patent: April 26, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karsten Idel, Hans-Josef Buysch, Dieter Margotte, Horst Peters
  • Patent number: 4357267
    Abstract: Transparent thermoplastic moulding compositions having improved mechanical properties consist essentially of a cellulose ester of aliphatic C.sub.1 -C.sub.5 -carboxylic acids and a graft copolymer of an ethylene vinyl ester copolymer having grafted thereon polymerized units of vinyl esters and/or alkyl esters of acrylic and/or methacrylic acid and, optionally, C.sub.2 -C.sub.4 -olefins.
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: November 2, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Heinrich Alberts, Winfried Fischer, Friedemann Muller, Horst Peters, Christian Leuschke, Hans-Peter Baasch
  • Patent number: 4264718
    Abstract: The invention relates to a photographic film unit with integral structure consisting of an image sheet and a cover sheet which is substantially in register with the image sheet and firmly attached to it, whereby the attachment between the sheets is produced by a combination of individual masking strips and lateral spacer strips and said combination of multi-part mask is composed of a masking folding sheet associated with the container for photographic developer material and another associated with the trap and a separate lateral masking strip for each side.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: April 28, 1981
    Assignee: AGFA-Gevaert, A.G.
    Inventors: Hermann Luhrig, Guido Kovacic, Walter Tabel, Horst-Peter Muller
  • Patent number: 4242443
    Abstract: The invention relates to a photographic film unit with a picture sheet and a covering sheet which are joined together by means of an interposed mask, and a container for photographic developer material is located at the front end and a trap for collecting excess developer material is located at the rear end of the picture unit and whereby air guiding channels connect the trap compartment with the container compartment to conduct the surplus air or also developer past towards the empty developer container.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: December 30, 1980
    Assignee: AGFA-Gevaert, A.G.
    Inventors: Hermann Luhrig, Guido Kovacic, Horst-Peter Muller
  • Patent number: 3966358
    Abstract: A pump assembly is disclosed which includes a pump which is externally controlled to vary with time the volume and/or the pressure of fluid pumped therethrough. A memory unit is programmed to provide a desired volume-time and/or pressure-time characteristic. The output of the memory is utilized to drive the pump to provide the aforementioned pump characteristics. Provision is made for appropriately modifying the stored program in accordance with preselected parameters so that the pump can, for example, operate in conjunction with an artificial heart.
    Type: Grant
    Filed: May 17, 1974
    Date of Patent: June 29, 1976
    Assignee: Medac Gesellschaft fur Klinische Spezialpraparate mbH
    Inventors: Horst Peter Heimes, Helmut Reul