Patents Assigned to Salga Associates Limited & Company
  • Air conduits and process therefor
    Patent number: 4320084
    Abstract: Air conduits or ducts, including convoluted or bellows-type ducts, are prepared by molding a resinous mixture consisting essentially of a polypropylene and a polystyrene-polyolefin block copolymer. Inert fillers can be present in the mixture.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: March 16, 1982
    Assignee: Salga Associates Limited & Company
    Inventor: Claude F. Elgner