Patents Examined by R. V. Roche
  • Coating of silanol-reactive surfaces with di-silyl poly(perfluorooxyalkylenes)
    Patent number: 3950588
    Abstract: Substrates or articles having surfaces with silanol-reactive groups, e.g. glassware and ceramic cookware having hydroxylic surfaces, are coated with hydrolyzable di-silyl poly(perfluorooxyalkylene) compounds to provide said substrates or articles with a durable, oil and water repellent, abrasion resistant polysiloxane coating or film.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: April 13, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Janice E. McDougal