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:
Aug. 16, 1994
Filed:
May. 20, 1993
Applicant:
Inventors:
Yasushi Nagase, Onoda, JP;
Masami Kobayashi, Onoda, JP;
Tatsuo Kato, Kuga, JP;
Shinichi Imuta, Kuga, JP;
Assignees:
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Chugoku Resin Co., Ltd., Yamaguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
524477 ; 525191 ; 4284111 ;
Abstract
The improved heat-resistant overwrap film is formed from a resin composition that comprises (A) 98-70 parts by weight of a 4-methyl-1-pentene based polymer, (B) 1-15 parts by weight of an isobutylene based polymer having a kinematic viscosity of 2-5000 cSt at 100.degree. C., and (C) 1-15 parts by weight of a butene-1 based solid polymer, with the sum of (A)+(B)+(C) being 100 parts by weight. The film is excellent in heat resistance, flexibility, tackiness and transparency.