Patents by Inventor Katherine A. Brown-Wensley

Katherine A. Brown-Wensley 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).

  • Polyhydridosilanes and their conversion to pyropolymers
    Patent number: 4537942
    Abstract: A polyhydridosilane has a catenated silicon backbone of 9 to 4000 silicon atoms with an average number of hydrogen atoms per silicon atoms in the range of 0.3 to 2.2, at least 0.1 gram of the polyhydridosilane being soluble at 20.degree. C. in 100 grams of tetrahydrofuran, toluene, or methylene chloride. The polyhydridosilane can be derivatized or it can be converted to a pyropolymer or a nitrogen-containing pyropolymer which is useful as an abrasive, ceramic, electrical, or electro-optical material.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: August 27, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Katherine A. Brown-Wensley, Robert A. Sinclair