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:
Jul. 04, 1989
Filed:
Nov. 07, 1986
Beth I Gutek, Freeland, MI (US);
Dow Corning Corporation, Midland, MI (US);
Abstract
The curable polyorganosiloxane compositions of this invention comprise at least one vinyl-terminated liquid polydiorganosiloxane, a resinous organosiloxane reinforcing agent that includes diorganovinylsiloxy, triorganosiloxy and SiO.sub.2 units, an organosiloxane curing agent containing an average of at least three silicon-bonded hydrogen atoms per molecule, a diorganohydrogensiloxy terminated polydiorganosiloxane as a chain extender in an amount sufficient to provide from 10 to 85 percent of the silicon-bonded hydrogen atoms in the composition, and a platinum-containing hydrosilation catalyst. The compositions contain at least 1.5 vinyl radicals for each silicon-bonded hydrogen atom present in the composition. The cured elastomer is compressible, resilient and exhibits a hardness value of up to 100 on the Shore 00 durometer scale.