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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 6040252 B1

PDFFull Text
Date of Patent:
Mar. 21, 2000

Filed:

Apr. 21, 1999

Laminate base material, a method of producing the same, a prepreg and a

Applicant:
Inventors:

Minoru Ootuka, Hikone, JP;

Hirokazu Hiraoka, Hikone, JP;

Toru Shimadu, Hikone, JP;

Masayuki Noda, Hikone, JP;

Assignees:

Shin-Kobe Electric Machinery Co., Tokyo, JP;

Teijin Limited, Osaka, JP;

Oji Paper Co., Ltd., Tokyo, JP;

Attorney:

Pearne, Gordon, McCoy & Granger LLP

Primary Examiner:

Helen L Pezzuto

Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
442169 ; 442117 ; 442148 ; 442149 ; 442150 ; 442164 ; 442168 ; 442169 ; 442327 ;
Abstract

A laminate base material of aromatic polyamide fiber non-woven fabric which comprises a combined non-woven fabric of para-aramid fibers and meta-aramid fibers bonded with each other by a resin binder such as an epoxy resin binder and meta-aramid fibers being thermally adhered to each other and meta-aramid fibers being thermally adhered to para-aramid fibers while they are passing through a pair of thermal rolls and heated and pressed by them and the meta-aramid fibers being included preferably by 5 through 30 weight %.

Find Patent Forward Citations

Ootuka, Minoru. (2000). Laminate base material, a method of producing the same, a prepreg and a (U.S. Patent No. 6040252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6040252

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

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