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. 08, 1989
Filed:
May. 06, 1988
Applicant:
Inventors:
Wayne R Osgood, Jr, Farmington, NY (US);
Matthew A Therrian, Newark, NY (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428516 ; 428349 ; 428916 ; 428332 ; 15624411 ;
Abstract
Oriented multi-layer polypropylene films having low coefficients of friction and good optical properties (haze and gloss) are disclosed. The films of this invention comprise at least a first surface layer of a material consisting essentially of HDPE and a second layer of a material consisting essentially of polypropylene, said film being oriented by stretching at a temperature above the melting point of the material of said first surface layer and below the melting point of the material of said second layer.