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:
Jan. 22, 1991
Filed:
Jul. 19, 1988
Takeshi Shiraki, Yamaguchi, JP;
Koji Nakashima, Hiroshima, JP;
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Abstract
Disclosed are an inflation film of ultra-high-molecular-weight polyethylene having an intrinsic viscosity [.eta.] of at least 5 dl/g, a tensile strength at break of at least 800 kg/cm.sup.2 in a machine direction and at least 700 kg/cm.sup.2 in a transverse direction, an impact strength of at least 5000 kg.multidot.cm/cm, a permeability to water vapor of 0.45 g.multidot.mm/m.sup.2 .multidot.24 hr or less, a shrinkage factor in a transverse direction at 130.degree. C. of 10% or more, and a thickness of 10 to 1000 .mu.m, and a method and apparatus for producing the same.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile