Added Material Contains Oxygen Compound Patents (Class 526/84)
  • Process for terminating the polymerization of vinyl chloride in aqueous dispersion
    Patent number: 3985721
    Abstract: The polymerization of vinyl chloride in aqueous dispersion is terminated by introducing 8-hydroxyquinoline into the aqueous dispersion. The preferred amount to use is 0.025 to 0.2 % by weight of the vinyl chloride employed.
    Type: Grant
    Filed: August 26, 1975
    Date of Patent: October 12, 1976
    Assignee: Solvay & Cie
    Inventor: Andre Petit
  • Hydroxy-terminated polymers of butadiene
    Patent number: 3959244
    Abstract: Hydroxy-terminated polymers of butadiene having two hydroxy groups per molecule are prepared by polymerizing butadiene in a chain transfer solvent at a temperature of from about 50.degree. to about 170.degree.C. with t-butyl beta-hydroxyethyl peroxide as an initiator.
    Type: Grant
    Filed: August 27, 1973
    Date of Patent: May 25, 1976
    Assignee: Dart Industries Inc.
    Inventor: Norman G. Gaylord
  • Organic reinforcing fillers for silicone rubber
    Patent number: 3956419
    Abstract: Organic reinforcing fillers for silicone rubber are prepared by the anionic initiated slurry polymerization of styrene and divinylbenzene in the presence of a block polymer dispersant, using, as the anionic initiator, an alkali metal-bearing compound and terminating the polymerization by reaction of the polymer particles with a terminating agent that provides in the polymer groups reactive with silicones rubber in a normal rubber cure.
    Type: Grant
    Filed: December 5, 1973
    Date of Patent: May 11, 1976
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray