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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 9982086 B1

PDFFull Text
Date of Patent:
May. 29, 2018

Filed:

Jan. 07, 2014

Epoxy resin composition, prepreg, fiber reinforced plastic material, and manufacturing method for fiber reinforced plastic material

Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Johnathan C Hughes, Tacoma, WA (US);

Hiroaki Sakata, Ehime, JP;

Assignee:

TORAY INDUSTRIES, INC., Tokyo, JP;

Attorney:

Pillsbury Winthrop Shaw Pittman LLP

Primary Examiner:

Michael J Feely

Int. Cl.
CPC ...
B32B 27/38 (2006.01); B32B 27/26 (2006.01); B32B 27/04 (2006.01); C08J 5/24 (2006.01); C08G 59/38 (2006.01); C08G 59/40 (2006.01); C08L 63/00 (2006.01); C08G 59/14 (2006.01); C08G 59/32 (2006.01); C08G 59/68 (2006.01);
U.S. Cl.
CPC ...
C08G 59/1477 (2013.01); C08G 59/3227 (2013.01); C08G 59/38 (2013.01); C08G 59/4021 (2013.01); C08G 59/686 (2013.01); C08J 5/24 (2013.01); C08L 63/00 (2013.01); C08J 2363/00 (2013.01);
Abstract

An embodiment relates to a resin composition containing a tetraglycidyl amine; a bisphenol epoxy; a dicyandiamide; and an aromatic urea; wherein the tetraglycidyl amine has a EEW of 110 g/eq to 140 g/eq and is an amount of 30 to 60 PHR per 100 PHR of total epoxy resin in the resin composition; wherein the resin composition has a Tg of at least 160° C. when cured at 143° C. for 3 min and also maintains a Tg of greater than 160° C. when cured at 177 C for 1 min or longer.

Find Patent Forward Citations

Hughes, Johnathan. (2018). Epoxy resin composition, prepreg, fiber reinforced plastic material, and manufacturing method for fiber reinforced plastic material (U.S. Patent No. 9982086). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9982086

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

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