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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 12270148 B1

PDFFull Text
Date of Patent:
Apr. 08, 2025

Filed:

Dec. 22, 2020

Sizing agent, reinforcement fiber tow, fiber-reinforced resin-molding material, and fiber-reinforced composite material

Applicant:

Mitsubishi Chemical Corporation, Tokyo, JP;

Inventors:

Kenji Kaneta, Tokyo, JP;

Kouki Wakabayashi, Tokyo, JP;

Tsuyoshi Takada, Tokyo, JP;

Hiroyuki Nakao, Tokyo, JP;

Assignee:

Mitsubishi Chemical Corporation, Tokyo, JP;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Michael F Pepitone

Int. Cl.
CPC ...
D06M 15/55 (2006.01); C01B 32/05 (2017.01); C08J 5/04 (2006.01); C08J 5/06 (2006.01); C08J 5/24 (2006.01); D06M 13/224 (2006.01); D06M 101/40 (2006.01);
U.S. Cl.
CPC ...
D06M 15/55 (2013.01); C01B 32/05 (2017.08); C08J 5/042 (2013.01); C08J 5/06 (2013.01); C08J 5/248 (2021.05); D06M 13/224 (2013.01); D06M 2101/40 (2013.01);
Abstract

A sizing agent is provided, the sizing agent includes a component (A) and a component (B), wherein a mass ratio A/B of the component (A) to the component (B) is 0.5 to 20, and a proportion of a total mass of the component (A) and the component (B) with respect to a total mass of the sizing agent is 80% by mass or more, wherein the component (A) is an epoxy resin having a viscosity of 1 to 180,000 Pa·s at 30° C., and the component (B) is an aliphatic ester compound having a freezing point of 50° C. or lower.

Find Patent Forward Citations

Kaneta, Kenji. (2025). Sizing agent, reinforcement fiber tow, fiber-reinforced resin-molding material, and fiber-reinforced composite material (U.S. Patent No. 12270148). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12270148

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

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