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. 09, 2013
Filed:
Jan. 19, 2010
Yosuke Matsuoka, Tsukuba, JP;
Nobuyuki Yoshioka, Tsukuba, JP;
Nobuyuki Sakamoto, Tsukuba, JP;
Toshiya Itei, Tsukuba, JP;
Ryota Kobayashi, Tsukuba, JP;
Mao Sorimachi, Tsukuba, JP;
Yosuke Matsuoka, Tsukuba, JP;
Nobuyuki Yoshioka, Tsukuba, JP;
Nobuyuki Sakamoto, Tsukuba, JP;
Toshiya Itei, Tsukuba, JP;
Ryota Kobayashi, Tsukuba, JP;
Mao Sorimachi, Tsukuba, JP;
NOF Corporation, Tokyo, JP;
Abstract
The invention provides a silicone monomer having high purity and suitable for use in the manufacture of ophthalmic devices, and a contact lens produced from the silicone monomer as a polymerizable component. The silicone monomer is represented by the formula (1): wherein Yto Yeach independently stands for an alkyl group having 1 to 4 carbon atoms, n is an integer of 0 to 3, a and b each independently denotes an integer of 0 or 1, and R stands for a hydrogen atom or a methyl group.