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.:
Date of Patent:
Jan. 25, 1983
Filed:
Jul. 02, 1980
Applicant:
Inventors:
Masakazu Uekita, Kobe, JP;
Masaharu Abe, Kobe, JP;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09J / ;
U.S. Cl.
CPC ...
1563077 ; 156332 ; 428481 ; 428482 ; 428458 ;
Abstract
An electrical laminate comprising layers of a resin impregnated fibrous substrate is disclosed. The resin has a glass transition point from about 20.degree. C. to 80.degree. C. and comprises a cured product of a mixture of an unsaturated polyester polymer and a cross-linking monomer. The laminate exhibits an improved punchability at a temperature not lower but not 20.degree. C. higher than the glass transition point of the resin.