Patents by Inventor Manfred Oller

Manfred Oller 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, impact-resistant modified polycarbonate molding and extrusion masses
    Patent number: 6727301
    Abstract: A graft polymer-modified thermoplastic polycarbonate molding composition is described. The thermoplastic polycarbonate molding composition comprises a phosphorous compound or a mixture of phosphorous compounds. Thermoplastic molding compositions according to the present invention are flame resistant, and have desirable mechanical properties and elevated heat resistance.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: April 27, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Eckel, Michael Zobel, Dieter Wittmann, Torsten Derr, Manfred Öller
  • Flame resistant polycarbonate/ABS moulding compounds resistant to stress cracking
    Patent number: 5672645
    Abstract: Flame resistant, thermoplastic molding compounds containingA) 40 to 98 parts by weight of an aromatic polycarbonate,B) 3 to 50 parts by weight of a vinyl copolymer,C) 0.5 to 40 parts by weight of a graft polymer,D) 0.5 to 20 parts by weight of a mixture ofD.1) 10 to 90 wt. %, related to D) , of a monophosphorus compound of the formula (I) ##STR1## D.2) 90 to 10 wt. %, related to D), of an oligomeric phosphorus compound of the formula (II) ##STR2## and E) 0.05 to 5 parts by weight of a fluorinated polyolefin with an average particle diameter of 0.05 to 1000 .mu.m, a density of 1.2 to 2.3 g/cm.sup.3 and a fluorine content of 65 to 76 wt. %.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: September 30, 1997
    Assignee: Bayer AG
    Inventors: Thomas Eckel, Dieter Wittmann, Manfred Oller, Heinrich Alberts
  • Flame resistant polycarbonate/abs moulding compounds resistant to stress cracking
    Patent number: RE36902
    Abstract: Flame resistant, thermoplastic molding compounds containingA) 40 to 98 parts by weight of an aromatic polycarbonate,B) 3 to 50 parts by weight of a vinyl copolymer,C) 0.5 to 40 parts by weight of a graft polymer,D) 0.5 to 20 parts by weight of a mixture ofD.1) 10 to 90 wt. %, related to D) , of a monophosphorus compound of the formula (I) ##STR1## D.2) 90 to 10 wt. %, related to D), of an oligomeric phosphorus compound of the formula (II) ##STR2## and E) 0.05 to 5 parts by weight of a fluorinated polyolefin with an average particle diameter of 0.05 to 1000 .mu.m, a density of 1.2 to 2.3 g/cm.sup.3 and a fluorine content of 65 to 76 wt. %.
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: October 3, 2000
    Assignee: Bayer AG
    Inventors: Thomas Eckel, Dieter Wittmann, Manfred Oller, Heinrich Alberts