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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 5780571 B1

PDFFull Text
Date of Patent:
Jul. 14, 1998

Filed:

Jun. 19, 1997

Naphthalene ring-containing resins, resin compositions and cured

Applicant:
Inventors:

Hiroaki Ohno, Tokyo, JP;

Hiromi Morita, Urawa, JP;

Shigeru Moteki, Annaka, JP;

Yasumasa Akatsuka, Urawa, JP;

Assignee:

Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;

Attorney:

Nields, Lemack & Dingman

Primary Examiner:

Frederick Krass

Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 97 ; 528153 ; 525481 ; 525482 ; 523443 ; 523466 ; 568719 ;
Abstract

This invention provides resins and resin compositions which afford cured products with high heat resistance, low water absorption and high adhesion which are useful as electric and electronic materials. Resins obtained by condensation reaction between 4,4'-di(.omega.-substituted methyl)biphenyl or the like and naphthols; epoxy resins obtained by glycidyleterifying said resins; epoxy resin compositions containing these resins; and cured products thereof are disclosed.

Find Patent Forward Citations

Ohno, Hiroaki. (1998). Naphthalene ring-containing resins, resin compositions and cured (U.S. Patent No. 5780571). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5780571

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

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