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:
Feb. 28, 1989
Filed:
May. 18, 1988
John McShane, North Hollywood, CA (US);
Products Research & Chemical Corp., Glendale, CA (US);
Abstract
A multi-pane thermally construction in which one or more chambers are provided by two or more spaced argon gas and permeable transparent panes are filled with argon gas, said panes having inner edge margins, which includes the combination of: spacing means for spacing said means at said inner edge margins, and a seal having low permeability to argon gas between said spacing means and each of said inner edge margins, said seal comprising a solid elastomer of a cured polymer composition composed of thioether mercaptan terminated disulfide polymer of the formula HS(RSS).sub.m R'SH; (b) from about 10 mole percent to about 75 mole percent of diethyl formal mercaptan terminated polysulfide polymer of the formula HS(RSS).sub.n RSH; wherein in the formulae R is --C.sub.2 H.sub.4 --O--CH.sub.2 H.sub.4 --; R' is alkyl thioether of from 4 to 20 carbon atoms and the value of m and n is such that the diethyl formal mercaptan terminated polysulfide and the thioether mercaptan terminated disulfide polymer have an average molecular weight of between about 1,000 and about 4,000.