Patents Assigned to Showa Denku K.K.
  • Method for preventing fouling in the polymerization of olefins
    Patent number: 3956252
    Abstract: A method for preventing fouling in the slurry polymerization of olefins in a solvent in the presence of a catalyst, which comprises causing a small amount of a nitrogen-containing salt of phytic acid or a mixture of it with an alkali metal salt of an organic acid to be present as an anti-fouling agent in the polymerization system.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: May 11, 1976
    Assignee: Showa Denku K.K.
    Inventors: Shigeru Saeda, Yukinori Suzaka