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 9353256 B1

PDF
Full Text
Expired
Date of Patent:
May. 31, 2016

Filed:

Apr. 11, 2012
Applicants:

Mitsuhiro Iwata, Hiratsuka, JP;

Tomohiro Ito, Hiratsuka, JP;

Inventors:

Mitsuhiro Iwata, Hiratsuka, JP;

Tomohiro Ito, Hiratsuka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/38 (2006.01); B32B 27/04 (2006.01); B32B 27/26 (2006.01); C08L 63/00 (2006.01); C08G 59/20 (2006.01); C08G 59/30 (2006.01); C08G 59/40 (2006.01); C08J 5/24 (2006.01); C08G 59/68 (2006.01);
U.S. Cl.
CPC ...
C08L 63/00 (2013.01); C08G 59/304 (2013.01); C08G 59/4021 (2013.01); C08G 59/686 (2013.01); C08J 5/24 (2013.01); C08J 2363/00 (2013.01);
Abstract

The present technology is an epoxy resin composition for a fiber-reinforced composite material comprising a phosphorus-containing epoxy resin containing phosphorus in the skeleton thereof, a dicyandiamide, and a curing promoter containing at least one selected from 1,1'-(4-methyl-1,3-phenylene)bis(3,3-dimethylurea), phenyl-dimethylurea represented by the following formula (1), and methylene-diphenyl-bisdimethylurea represented by the following formula (2); wherein the phosphorus content of the phosphorus-containing epoxy resin is at least 1.0 mass % and at most 5.0 mass % in the epoxy resin composition.


Find Patent Forward Citations

Iwata, Mitsuhiro. (2016). Epoxy resin composition for fiber-reinforced composite material (U.S. Patent No. 9353256). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9353256

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