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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 12570809 B1

PDFFull Text
Date of Patent:
Mar. 10, 2026

Filed:

Oct. 05, 2017

Unidirectional prepreg, fiber-reinforced thermoplastic resin sheet, manufacturing methods of unidirectional prepreg and fiber-reinforced thermoplastic resin sheet, and molded body

Applicant:

Suncorona Oda Co., Ltd., Komatsu, JP;

Inventors:

Yoshikazu Takashima, Komatsu, JP;

Toshiaki Karasawa, Komatsu, JP;

Masaki Kobayashi, Komatsu, JP;

Assignee:

Suncorona Oda Co., Ltd., Komatsu City, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Marla D Mcconnell

Assistant Examiner:

Christine X Nisula

Int. Cl.
CPC ...
C08J 5/04 (2006.01); B32B 27/38 (2006.01); C08G 59/06 (2006.01); C08G 59/24 (2006.01); C08G 59/62 (2006.01); C08J 5/24 (2006.01); C08K 3/04 (2006.01); C08K 7/06 (2006.01); C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
C08J 5/042 (2013.01); B32B 27/38 (2013.01); C08G 59/06 (2013.01); C08G 59/245 (2013.01); C08G 59/621 (2013.01); C08J 5/243 (2021.05); C08K 3/046 (2017.05); C08K 7/06 (2013.01); C08L 63/00 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); C08J 2300/22 (2013.01); C08J 2363/00 (2013.01); C08J 2363/02 (2013.01); C08K 3/04 (2013.01); C08L 2205/16 (2013.01);
Abstract

The present invention provides a fiber-reinforced thermoplastic resin sheet having both high strength and moldability, to provide a unidirectional prepreg from which such a fiber-reinforced thermoplastic resin sheet can be acquired, and to provide a manufacturing method of a unidirectional prepreg. The present invention relates to a unidirectional prepreg having a tape shape comprising: spread reinforcement fibers; and a polymer of a bisphenol A type epoxy compound represented by Formula (1): [where n is an integer of 1 to 4] and a bisphenol compound selected from the group consisting of bisphenol A, bisphenol F, bisphenol S, bisphenol B, bisphenol E, and bisphenol P, wherein the polymer has a weight-average molecular weight of 5,000 to 25,000, and wherein the average content number of the reinforcement fibers in a thickness direction of the unidirectional prepreg is ten or less.

Find Patent Forward Citations

Takashima, Yoshikazu. (2026). Unidirectional prepreg, fiber-reinforced thermoplastic resin sheet, manufacturing methods of unidirectional prepreg and fiber-reinforced thermoplastic resin sheet, and molded body (U.S. Patent No. 12570809). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12570809

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

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