Patents by Inventor Jeff A. Gray

Jeff A. Gray 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).

  • Process for preparation of silyl ketene acetals
    Patent number: 5208358
    Abstract: The present invention is a process for preparation of silyl ketene acetals. The process comprises contacting a mixture containing an organosilane having a silicon-bonded hydrogen (organohydrosilane) and a vinylic compound with RhCl(di-tert-butylsulfide).sub.2 as catalyst at a temperature within a range of about 20.degree. C. to 100.degree. C. The RhCl(di-tert-butylsulfide).sub.2 catalyst demonstrates higher activity than that typically described for rhodium catalysts, allowing for lower concentrations of catalyst and lower reaction temperatures to be used while maintaining high conversion to the desired silyl ketene acetals.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: May 4, 1993
    Assignee: Dow Corning Corporation
    Inventors: Paul C. Dinh, Jeff A. Gray, Peter Y. K. Lo