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:
Sep. 08, 1992
Filed:
Jun. 12, 1991
Applicant:
Inventors:
Yasushi Itaba, Tokyo, JP;
Yutaka Yoshifuji, Saitama, JP;
Takayoshi Kondo, Tokyo, JP;
Keichiro Saitoh, Kanagawa, JP;
Tadao Yoshino, Saitama, JP;
Minoru Izawa, Saitama, JP;
Ichiro Sakamoto, Kanagawa, JP;
Assignee:
Toa Nenryo Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; C08L / ;
U.S. Cl.
CPC ...
428213 ; 428212 ; 525194 ; 525211 ; 525240 ;
Abstract
An oriented polyethylene film with an excellent moistureproofness and optical property is provided in which the degree of crosslinking is uniform or decreases inwardly across the thickness of the film, and which consists of a composition comprising (A) 50 to 90% by weight of polyethylene with a density of at least 0.935 g/cm.sup.3 and a high load melt index to melt index ratio of at most 100 and (B) 50 to 10% by weight of a petroleum resin or linear low density polyethylene.