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. 27, 2012
Filed:
Mar. 19, 2009
Ertugrul Arpac, Antalya, TR;
Savas Guven, Antalya, TR;
Carsten Schmidt, Saarbruecken-Guedingen, DE;
Helmut Schmidt, Saarbruecken-Guedingen, DE;
Daisuke Mochizuki, Shizuoka, JP;
Kazuhito Osada, Shizuoka, JP;
Ertugrul Arpac, Antalya, TR;
Savas Guven, Antalya, TR;
Carsten Schmidt, Saarbruecken-Guedingen, DE;
Helmut Schmidt, Saarbruecken-Guedingen, DE;
Daisuke Mochizuki, Shizuoka, JP;
Kazuhito Osada, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
Disclosed is a process of preparing a moulded article, comprising 1) hydrolyzing a) at least one silane having one non-hydrolysable organic group, and b) at least one compound selected from b1) a silane having two non-hydrolysable organic groups, and b2) a hydrolysable polysiloxane, or a mixture thereof, and c) optionally at least one silane having no non-hydrolysable organic group, to prepare a composite composition comprising a hydrolysate or condensate, 2) placing the composite composition in a mould, 3) curing the composite composition to increase the degree of condensation, 4) removing the moulded article from the mould, and 5) heat treating the moulded article at a temperature of at least 100° C. The moulded article is preferably an optical lens which may be used for automobile headlights.