The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 1978
Filed:
Aug. 26, 1976
Duane F Merrill, Ballston Spa, NY (US);
General Electric Company, Waterford, NY (US);
Abstract
A process for producing a silicone resin composed solely of difunctional siloxy units comprising hydrolyzing a diorganodihalosilane in a heterogeneous hydrolysis mixture having therein water, acetone, a water-immiscible organic solvent and optionally, an alcohol; wherein said hydrolysis must take place within ten minutes, and separating the water layer from the water-immiscible solvent silicone resin layer. The silicone resin is further purified and bodied in subsequent process steps. There is also provided by the present invention a silicone resin mixture composed of the above difunctional silicone resin and a silicone resin composed of trifunctional siloxy units and difunctional siloxy units which silicone resin mixture has good thermal stability at temperatures up to 700.degree. F.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile