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:
Sep. 22, 1981

Filed:

Oct. 20, 1980
Applicant:
Inventors:

Masaki Fujii, Yokkaichi, JP;

Mitsutaka Miyabayashi, Yokkaichi, JP;

Hironori Todaka, Suzuka, JP;

Satoru Hattori, Yokkaichi, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525321 ; 428336 ; 428339 ; 428412 ; 428483 ; 428516 ; 4284761 ; 525247 ; 5263481 ; 5263482 ;
Abstract

A new propylene copolymer comprises a propylene homopolymer block and a terpolymeric random copolymer block of propylene, ethylene, and hexene-1 and is further characterized in that: (a) the proportion therein of the propylene homopolymer block is 97 to 80 percent by weight; (b) the terpolymeric random copolymer block has been so copolymerized that the contents therein of the propylene, ethylene, and hexene-1 based on their respective monomers are 80 to 98 percent, 5 to 1 percent, and 15 to 1 percent, respectively, all percentages being by weight; and (c) the intrinsic viscosity thereof in a decalin solution at 135.degree. C. is 0.3 to 15 dl/g.


Find Patent Forward Citations

Fujii, Masaki. (1981). Novel propylene copolymers (U.S. Patent No. 4291140). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4291140

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

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