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. 23, 2010
Filed:
Apr. 08, 2003
Masanori Kadota, Tokyo, JP;
Shigeo Nakamura, Tokyo, JP;
Kengo Hirayama, Tokyo, JP;
Yoshitaka Kitahara, Tokyo, JP;
Yuji Hoshi, Tokyo, JP;
Yasuhisa Okamoto, Tokyo, JP;
Masanori Kadota, Tokyo, JP;
Shigeo Nakamura, Tokyo, JP;
Kengo Hirayama, Tokyo, JP;
Yoshitaka Kitahara, Tokyo, JP;
Yuji Hoshi, Tokyo, JP;
Yasuhisa Okamoto, Tokyo, JP;
Hoya Corporation, Tokyo, JP;
Abstract
A method of manufacturing an optical member by mixing isocyanate terminal prepolymer component (A) and aromatic diamine component (B), and immediately after mixing, casting a mixture into a casting mold to obtain a molded article. A method of manufacturing a plastic lens by mixing said components (A) and (B), immediately after mixing, casting a mixture into a casting mold and polymerizing it to obtain a molded article. A gasket for molding plastic lenses comprised of a cylindrical member. A casting mold for molding plastic lenses using this gasket and a monomer casting jig.