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:
Mar. 21, 1995
Filed:
Dec. 30, 1993
Shaow B Lin, Schenectady, NY (US);
Jeffrey H Wengrovius, Scotia, NY (US);
General Electric Company, Waterford, NY (US);
Abstract
Solventless or low solvent-containing silicone pressure sensitive adhesive compositions having excellent adhesive strength and high tack are provided, comprising (A) a toluene-soluble resinous copolymer containing R.sub.3 SiO.sub.1/2 units and SiO.sub.4/2 units; (B) a vinyl-endblocked polydiorganosiloxane having a viscosity of 10 to 500 centipoise at 25.degree. C.; (C) a hydride-endblocked polydiorganosiloxane having a viscosity of 10 to 1000 centipoise at 25.degree. C.; the ratio of silicon-bonded hydrogen atoms in (C) to olefinically unsaturated radicals in the total of (A) and (B), being in the range of from about 1.2:1 to about 15.0:1 ;and (D) a hydrosilation catalyst.