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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.:

US 12178938 B1

PDFFull Text
Date of Patent:
Dec. 31, 2024

Filed:

Dec. 10, 2019

Uv absorbing ocular lens

Applicant:

Seed Co., Ltd., Tokyo, JP;

Inventors:

Takao Sato, Tokyo, JP;

Yoshiko Yamazaki, Saitama, JP;

Johan Sebastian Basuki, Australian Capital Territory, AU;

Timothy Charles Hughes, Australian Capital Territory, AU;

James Matthew MacDonald, Australian Capital Territory, AU;

Kimmo Petteri Kemppinen, Australian Capital Territory, AU;

Assignee:

SEED CO., LTD., Tokyo, JP;

Attorney:

JMB Davis Ben-David

Primary Examiner:

Peter A Salamon

Int. Cl.
CPC ...
A61L 27/16 (2006.01); A61F 2/16 (2006.01); A61L 2/16 (2006.01); A61L 27/20 (2006.01); A61L 27/50 (2006.01); C07C 323/60 (2006.01); C07D 249/20 (2006.01); C07F 9/09 (2006.01); C07H 15/26 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
A61L 27/16 (2013.01); A61F 2/16 (2013.01); A61L 27/50 (2013.01); C07C 323/60 (2013.01); C07D 249/20 (2013.01); C07F 9/091 (2013.01); C07H 15/26 (2013.01); G02B 1/043 (2013.01); A61F 2002/16965 (2015.04); A61L 2430/16 (2013.01);
Abstract

Ocular lenses having UV absorbing properties are disclosed. The ocular lens comprises a hydrogel polymer comprising polymerised residues derived from a polymerisable UV absorber of formula (I):U-L-Py  (I)wherein: U is a UV absorbing moiety; L is a hydrophilic non-polyalkylene glycol linker comprising an anionic, a zwitterionic or a saccharide moiety; and Py is an ethylenically unsaturated polymerisable moiety.

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