Patents Assigned to Crompton & Knowles Corp.
  • 4,4'-Thiodiphenol-formaldehyde condensation products
    Patent number: 4278616
    Abstract: This invention relates to new 4,4' thiodiphenolformaldehyde condensation products and to a method of making said condensation products.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: July 14, 1981
    Assignee: Crompton & Knowles Corp.
    Inventors: Robert L. Wineholt, James F. Feeman