Patents Assigned to Kabushiki Kaisha Toritsu Industry
  • Patent number: 5082875
    Abstract: A sanitary rubber composition or article comprising a synthetic rubber prepared by solution polymerization and a fine powder of polyethylene having a molecular weight of 1.times.10.sup.6 to 1.times.10.sup.9 and having excellent chemical and physical properties is described.
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: January 21, 1992
    Assignee: Kabushiki Kaisha Toritsu Industry
    Inventor: Masao Tajima
  • Patent number: 4839429
    Abstract: A sanitary rubber composition or article comprising a synthetic rubber prepared by solution polymerization and a fine powder of polyethylene having a molecular weight of 1.times.10.sup.6 to 1.times.10.sup.9 and having excellent chemical and physical properties is described.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: June 13, 1989
    Assignee: Kabushiki Kaisha Toritsu Industry
    Inventor: Masao Tajima
  • Patent number: 4833206
    Abstract: A sanitary rubber composition or article comprising a synthetic rubber prepared by solution polymerization and a fine powder of polyethylene having a molecular weight of 1.times.10.sup.6 to 1.times.10.sup.9 and having excellent chemical and physical properties is described.
    Type: Grant
    Filed: March 29, 1988
    Date of Patent: May 23, 1989
    Assignee: Kabushiki Kaisha Toritsu Industry
    Inventor: Masao Tajima