Patents by Inventor Tooru Masatomi

Tooru Masatomi 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).

  • Silphenylene polymer and composition containing same
    Patent number: 6072016
    Abstract: A silphenylene polymer having the general formula: ##STR1## wherein each R is independently a monovalent hydrocarbon group free of aliphatic unsaturation and having 1 to 10 carbon atoms; Ph is a substituted or unsubstituted phenylene group; R.sup.1 is an alkylene group having 2 to 10 carbon atoms or an alkyleneoxyalkylene group; A is a hydrolyzable group or a hydroxy group; B is an alkylene group having 2 to 10 carbon atoms, an alkyleneoxyalkylene group, or an oxygen atom; n is an integer from 0 to 2; x is an integer having a value of at least 1; y is an integer having a value of at least 0; and z is an integer having a value of at least 0.
    Type: Grant
    Filed: October 28, 1998
    Date of Patent: June 6, 2000
    Assignee: Dow Corning Toray Silicone Co., Ltd.
    Inventors: Hideki Kobayashi, Tooru Masatomi