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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 4900848 B1

PDFFull Text
Date of Patent:
Feb. 13, 1990

Filed:

Mar. 29, 1988

Low-viscosity epoxy resin, and fiber-reinforced composite material from

Applicant:
Inventors:

Yasuhisa Saito, Higashiosaka, JP;

Katsuya Watanabe, Takatsuki, JP;

Kohichi Okuno, Izumiotsu, JP;

Kunimasa Kamio, Suita, JP;

Akira Morii, Ibaraki, JP;

Hiroshi Nakamura, Ibaraki, JP;

Assignee:

Sumitomo Chemical Company, Limited, Osaka, JP;

Attorney:

Stevens, Davis, Miller & Mosher

Primary Examiner:

John Kight

Assistant Examiner:

Frederick Krass

Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
549517 ; 549551 ; 528 96 ; 528 97 ; 528 98 ; 528 99 ; 525109 ; 525113 ; 525396 ; 525423 ; 525438 ; 525449 ; 525463 ; 525471 ; 525526 ; 525534 ; 525535 ; 525537 ; 428413 ;
Abstract

A low viscosity epoxy resin, i.e., a low viscosity polyglycidyl derivative, of an aminophenol having at least one alkyl group on its aromatic ring of which viscosity is 15 poises or below as measured at 25.degree. C., a resin composition containing said resin, and a fiber-reinforced composite material containing as matrix a cured product of said epoxy resin composition and a fiber as reinforcing material.

Find Patent Forward Citations

Saito, Yasuhisa. (1990). Low-viscosity epoxy resin, and fiber-reinforced composite material from (U.S. Patent No. 4900848). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4900848

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

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