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. 08, 1980
Filed:
May. 11, 1979
Toray Industries, Inc., Tokyo, JP;
Abstract
A tintable coating composition is provided. It includes (A)(1) hydrolysates of silane compounds containing at least one epoxy group and not less than two alkoxy groups which are directly bonded to Si atom in the molecule, and, if necessary, (2) compounds containing silanol and/or siloxane groups in the molecule, and/or epoxy compounds; (B) fine silica particles having an average diameter of from about 1 to about 100 m.mu.; and (C) an aluminum chelate compound having the general formula AlX.sub.n Y.sub.3-n, where X is OL (and L represents a lower alkyl group), Y represents one or more ligands produced from a compound selected from the group consisting of M.sup.1 COCH.sub.2 COM.sup.2 and M.sup.3 COCH.sub.2 COOM.sup.4 where all of M.sup.1, M.sup.2, M.sup.3 and M.sup.4 are lower alkyl groups, and wherein n is an integer comprising 0, 1 or 2. This invention also concerns an article, preferably plastic, coated with said coating composition and having a hard and tintable, scratch-resistant film, which is formed by heating and curing.