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.

Date of Patent:
Apr. 21, 2026

Filed:

Sep. 22, 2021
Applicant:

Nippon Shokubai Co., Ltd., Osaka, JP;

Inventors:

Kenichi Oyaizu, Tokyo, JP;

Kanta Matsushima, Tokyo, JP;

Seigo Watanabe, Tokyo, JP;

Teru Takayama, Tokyo, JP;

Hiromichi Nishio, Tokyo, JP;

Tomohiro Miura, Tokyo, JP;

Jun-Ichi Nakamura, Osaka, JP;

Takeo Kawase, Osaka, JP;

Teruhisa Fujibayashi, Osaka, JP;

Junya Kimura, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/0268 (2016.01); C08G 75/029 (2016.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
C08G 75/0268 (2013.01); C08G 75/029 (2013.01); G02B 1/04 (2013.01);
Abstract

The present invention aims to provide a polymer material that has a high refractive index and can be suitably used for applications such as optical applications. The present invention relates to the sulfur-containing polymer containing at least one structural unit selected from the group consisting of a structural unit (A) represented by the following formula (1), a structural unit (B) represented by the following formula (2), and a structural unit (C) represented by the following formula (3); and a reactive functional group, wherein X, X, and Xare the same as or different from each other and are each an optionally substituted divalent aromatic hydrocarbon group.


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