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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 12371586 B1

PDFFull Text
Date of Patent:
Jul. 29, 2025

Filed:

Jul. 06, 2021

Photocurable composition, three-dimensional modeling product, and dental product

Applicant:

Mitsui Chemicals, Inc., Tokyo, JP;

Inventors:

Takaaki Hayashi, Funabashi, JP;

Toshikazu Sakamaki, Tokyo, JP;

Mai Kimura, Sodegaura, JP;

Hiroki Murai, Ichihara, JP;

Suguru Endo, Ichikawa, JP;

Eiji Kobayashi, Ichihara, JP;

Assignee:

MITSUI CHEMICALS, INC., Tokyo, JP;

Attorney:

BUCHANAN INGERSOLL & ROONEY PC

Primary Examiner:

Jessica Whiteley

Int. Cl.
CPC ...
C08F 2/46 (2006.01); A61C 13/34 (2006.01); B33Y 70/00 (2020.01); C08F 2/50 (2006.01); C08F 222/10 (2006.01); C08G 61/04 (2006.01); C09D 4/00 (2006.01); C09D 7/63 (2018.01); C09D 135/02 (2006.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
C09D 135/02 (2013.01); A61C 13/34 (2013.01); B33Y 70/00 (2014.12); C08F 222/1025 (2020.02); C08F 222/103 (2020.02); C08F 222/104 (2020.02); C09D 4/00 (2013.01); C09D 7/63 (2018.01); B33Y 80/00 (2014.12);
Abstract

A photocurable composition, wherein: in a case in which a rectangular sheet-like test piece Pwith a length of 40 mm, a width of 10 mm, and a thickness of 0.5 mm is produced by photomodeling under specific conditions, and a storage modulus is measured for the thus produced test piece Pby dynamic viscoelastic measurement with a measurement frequency of 1 Hz while increasing a temperature in a range of from 25° C. to 300° C. at a rate of 3° C./min, the storage modulus at 135° C. is 3.0×10Pa or more.

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