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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 5266641 B1

PDFFull Text
Date of Patent:
Nov. 30, 1993

Filed:

Jan. 29, 1993

Butene-1 copolymers and resin compositions containing the same

Applicant:
Inventors:

Tadashi Asanuma, Takaishi, JP;

Tetsunosuke Shiomura, Tokyo, JP;

Tateyo Sasaki, Takaishi, JP;

Tutomu Iwatani, Takaishi, JP;

Nobutaka Uchikawa, Takaishi, JP;

Kouji Kitabayashi, Takaishi, JP;

Assignee:

Mitsui Toatsu Chemicals, Inc., Tokyo, JP;

Attorney:

Burns, Doane, Swecker & Mathis

Primary Examiner:

Joseph L Schofer

Assistant Examiner:

David Wu

Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525240 ;
Abstract

Copolymers of butene-1 and propylene, having specific physical properties and substantially a syndiotactic structure; and easily heat-sealable polypropylene resin compositions comprising 5-50 parts by weight of one of the copolymers and 95-50 parts by weight of a stereoregular crystalline propylene-ethylene copolymer or propylene ethylene-C.sub.4-12 -.alpha.-olefin copolymer having specific compositions and melt flow index.

Find Patent Forward Citations

Asanuma, Tadashi. (1993). Butene-1 copolymers and resin compositions containing the same (U.S. Patent No. 5266641). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5266641

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