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.

Date of Patent:
Jun. 21, 1988

Filed:

Mar. 12, 1987
Applicant:
Inventors:

Takashi Daimon, Ichiharashi, JP;

Hideshi Sakamoto, Ichiharashi, JP;

Tatsuya Adachi, Ichiharashi, JP;

Assignee:

Chisso Corporation, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428332 ; 428337 ; 428458 ; 428461 ; 428464 ;
Abstract

A metal-polypropylene laminate composite comprising a polypropylene sheet made of a blend of a modified polypropylene prepared by modifying a crystalline polypropylene with an unsaturated carboxylic acid or its derivatives or a crystalline polypropylene containing such a modified polypropylene, with 15 to 50 wt. % of waste paper, organic fibers or wood pulp and metal plates superposed on and bonded by hot forming to both the surfaces of said polypropylene sheet is provided. It is of light weight and useful in acoustically sound absorption, vibration damping and heat insulation purpose.


Find Patent Forward Citations

Daimon, Takashi. (1988). Heat resistance-improved metal-polypropylene laminate composite (U.S. Patent No. 4752526). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4752526

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

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