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. 12, 2013
Filed:
Mar. 05, 2010
Yosuke Matsuoka, Tsukuba, JP;
Nobuyuki Yoshioka, Tsukuba, JP;
Mao Sorimachi, Tsukuba, JP;
Nobuyuki Sakamoto, Tsukuba, JP;
Yosuke Matsuoka, Tsukuba, JP;
Nobuyuki Yoshioka, Tsukuba, JP;
Mao Sorimachi, Tsukuba, JP;
Nobuyuki Sakamoto, Tsukuba, JP;
NOF Corporation, Tokyo, JP;
Abstract
The invention provides a silicone monomer which is suitable for the manufacture of ophthalmic devices, such as contact lenses, intraocular lenses, and keratoprosthesis, a monomer composition containing the monomer, and a polymer which fulfills both surface hydrophilicity and oxygen permeability at the same time. The silicone monomer of the present invention is represented by the formula (1a) or (1b): (X: a monovalent C2 to C6 organic group having one or more —OH and optionally one O or N in its main chain; Zto Z: a C1 to C4 alkyl group; n: 1 to 3; a and b: 0 or 1).