Patents Examined by K. Dean
  • Adhesion promoting additives and low temperature curing organosiloxane compositions containing same
    Patent number: 5399651
    Abstract: Adhesion additives for curable organosiloxane compositions comprise (I) a silane containing at least one alkoxy or enoloxy group, the remaining valences of the silicon atom being satisfied by groups bonded to silicon through oxygen and containing at least one H.sub.2 C.dbd.CR-- radical, where R is hydrogen or monovalent hydrocarbon, and (II) at least one organosilicon compound comprising (a) at least one group capable of participating in a hydrosilation reaction, and (b) at least one silicon-bonded alkoxy, enoloxy or silanol group.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: March 21, 1995
    Assignee: Dow Corning Corporation
    Inventors: Theresa E. Gentle, Michael A. Lutz
  • High consistency organosiloxane compositions comprising fluorinated and non-fluorinated polyorganosiloxanes
    Patent number: 5302632
    Abstract: The compatibility between high consistency fluorinated and non-fluorinated polydiorganosiloxanes is increased, with a resultant increase in the physical-properties of elastomers prepared from mixtures of these polymers, by blending the polymers together with a reinforcing silica filler that is reacted with both fluorinated and non-fluorinated liquid polydiorganosiloxanes as filler treating agents. The high consistency polydiorganosiloxanes contain at least two alkenyl radicals per molecule and are cured by a hydrosilation reaction.
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: April 12, 1994
    Assignee: Dow Corning Corporation
    Inventor: Myron T. Maxson