From Ketone Or Ketene Monomer Patents (Class 526/316)
  • Thermoplastic acrylonitrile copolymers
    Patent number: 4136246
    Abstract: Thermoplastic polymeric compositions having high heat-distortion temperatures and good processability and handling characteristics which function as gas and vapor barrier materials which are composed of an olefinically unsaturated nitrile, such as acrylonitrile, indene and a polyolefinic monomer, such as divinyl benzene, are described.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: January 23, 1979
    Assignee: The Standard Oil Company
    Inventor: George S. Li
  • Crosslinkable polyacrylonitrile copolymers
    Patent number: 4118375
    Abstract: The invention relates to a copolymer comprising at least 40% by weight of copolymerized acrylonitrile, from 0.5 to 40% by weight of at least one copolymerized aceto acetate of a mono (meth) acrylate of an aliphatic diol containing from 2 to 8 carbon atoms and, optionally, at least one other copolymerized comonomer.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: October 3, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Lindner, Carlhans Suling, Gunter Arend, Dieter Brokmeier, Gunther Nischk