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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 4705828 B1

PDFFull Text
Date of Patent:
Nov. 10, 1987

Filed:

Feb. 06, 1986

Polypropylene resin composition and biaxially stretched film thereof

Applicant:
Inventors:

Yoshio Matsumoto, Kurashiki, JP;

Toshio Fujii, Kurashiki, JP;

Yoshinao Shinohara, Kurashiki, JP;

Kiyoshi Fukuda, Kurashiki, JP;

Assignee:

Mitsubishi Chemical Industries Limited, Tokyo, JP;

Attorney:

Oblon, Fisher, Spivak, McClelland, & Maier

Primary Examiner:

Carman J Seccuro

Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525232 ; 525192 ; 525194 ; 525221 ; 525203 ; 525213 ; 525218 ; 525222 ; 525227 ; 525233 ; 525911 ; 525914 ; 525918 ; 524388 ; 5263481 ;
Abstract

Disclosed herein are a polypropylene resin composition comprising 100 parts by weight of propylene homopolymer showing a stereoregularity of a boiling heptane-insoluble part thereof of not less than 0.960 as an isotactic pentad rate obtained by .sup.13 C-NMR and 0.01 to 2 parts by weight of a hydrocarbon polymer having completely or partially saturated main hydrocarbon chain and at least one hydroxy group at an end of the main hydrocarbon chain, and a biaxially stretched film comprising the polypropylene resin composition.

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Matsumoto, Yoshio. (1987). Polypropylene resin composition and biaxially stretched film thereof (U.S. Patent No. 4705828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4705828

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

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