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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 12428511 B1

PDFFull Text
Date of Patent:
Sep. 30, 2025

Filed:

Aug. 06, 2021

Resin composition, cured product, diffractive optical element, and multilayer diffractive optical element

Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Naozumi Shiraiwa, Ashigarakami-gun, JP;

Takayasu Nagai, Ashigarakami-gun, JP;

Naoyuki Morooka, Ashigarakami-gun, JP;

Assignee:

FUJIFILM Corporation, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Bijan Ahvazi

Int. Cl.
CPC ...
C08F 222/10 (2006.01); C07D 339/06 (2006.01); C08F 222/24 (2006.01); C08K 3/22 (2006.01); G02B 1/04 (2006.01); G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
C08F 222/102 (2020.02); C07D 339/06 (2013.01); C08F 222/24 (2013.01); C08K 3/22 (2013.01); G02B 1/04 (2013.01); G02B 5/1814 (2013.01); G02B 5/1866 (2013.01); C08F 2800/20 (2013.01); C08K 2003/2231 (2013.01);
Abstract

The present invention provides a resin composition suitable for producing a diffractive optical element, the resin composition including an indium tin oxide particle and a near-ultraviolet light-absorbing organic compound having a maximum value of an absorbance at 340 nm to 400 nm in an absorption spectrum in a wavelength region of 300 nm to 780 nm and exhibiting substantially no light absorption at a wavelength of 410 to 800 nm.

Find Patent Forward Citations

Shiraiwa, Naozumi. (2025). Resin composition, cured product, diffractive optical element, and multilayer diffractive optical element (U.S. Patent No. 12428511). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12428511

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

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