C Bonded Directly To Si Atom Patents (Class 106/287.13)
H or alkyl directly bonded to si (Class 106/287.14)
C radical bonded to si is unsaturated (Class 106/287.15)
  • Siloxane organic hybrid polymers
    Patent number: 6180248
    Abstract: Siloxane organic hybrid polymers and a method of making them by condensation polymerization reaction of organoalkoxysilane in the presence of organic film-forming polymers are disclosed. Alkali metal carboxylic acid catalyst is also disclosed, as well as the incorporation of cerium oxide for attenuation of ultraviolet radiation.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: January 30, 2001
    Assignee: PPG Industries Ohio, Inc.
    Inventors: John D. Basil, Chia-Cheng Lin, Robert M. Hunia, Helmut Franz