Patents by Inventor Scott S. Brown

Scott S. Brown has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of making silethynyl-siloxane copolymers
    Patent number: 5102968
    Abstract: A method of making silethynyl-siloxane copolymers having R.sub.2 SiC.tbd.C units and R.sub.2 SiO units wherein each R denotes H or a C.sub.1-16 hydrocarbon or substituted hydrocarbon group, comprises ring-opening copolymerization in the presence of a catalytic amount of a lithium compound, of cyclic siloxanes and cyclic silethynyl polymers. Novel silethynyl-siloxane copolymers of the formula ##STR1## are also disclosed wherein R' denotes --C.tbd.CH or R and a and b are at least 1.
    Type: Grant
    Filed: July 11, 1990
    Date of Patent: April 7, 1992
    Assignee: Dow Corning Limited
    Inventors: Roberto Bortolin, Scott S. Brown, Bhukandas Parbhoo