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:
Nov. 21, 1989
Filed:
Aug. 26, 1988
Godfrey C Mbah, Midland, MI (US);
Dow Corning Corporation, Midland, MI (US);
Abstract
The presence of up to about 40 percent by weight of a resinous organosiloxane copolymer consisting essentially of trimethylsiloxy, dimethylvinylsiloxy and SiO.sub.2 units in a diorganovinylsiloxy-terminated polydiorganosiloxane containing at least 95 mol percent of dimethylsiloxane units and having a viscosity greater than about 12 Pa.s at 25 degrees C., unexpectedly decreases the viscosity of the mixture relative to the viscosity of the polydiorganosiloxane. Elastomers obtained by curing these mixtrues using an organohydrogensiloxane in the presence of a platinum-containing hydrosilation catalyst are transparent and particularly suitable for fabrication or incorporation into optical devices such as windows, windshields and lenses.