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:
Jun. 09, 2026

Filed:

Jan. 27, 2023
Applicant:

Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;

Inventor:

Kazuki Urakawa, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 136/22 (2006.01); C08K 3/11 (2018.01); C08K 3/22 (2006.01); C08K 5/5415 (2006.01);
U.S. Cl.
CPC ...
C08F 136/22 (2013.01); C08K 3/11 (2018.01); C08K 3/22 (2013.01); C08K 5/5415 (2013.01); C08K 2003/2237 (2013.01);
Abstract

A composition that gives a cured product having both of high refractive index and high light transmittance, and a cured product of said composition are provided. In the composition including a photopolymerizable compound (A) and metal oxide particles (B), metal oxide particles (B) where those surfaces are functionalized with a functionalizing agent, and which are composed of a metal oxide that exhibits a refractive index of 2.0 or higher for light at a wavelength of 550 nm are used, and a first functionalizing agent including a metal atom having HOMO-LUMO band gap of more than 3.1 eV and 6.0 eV or less, and a second functionalizing agent having a spacer group and not corresponding to the first functionalizing agent are used as the functionalizing agent in combination.


Find Patent Forward Citations

Urakawa, Kazuki. (2026). Composition and cured product (U.S. Patent No. 12649807). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12649807

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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