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:
Oct. 17, 1978
Filed:
Aug. 18, 1976
Applicant:
Inventors:
Assignee:
Daicel Ltd., Sakai, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428172 ; 428336 ; 428515 ; 428518 ; 428910 ; 260 / ; 526317 ; 4274 / ; 4273 / ; 426127 ; 2064841 ;
Abstract
A polyolefin film is coated with an undercoat consisting essentially of a mixture of (a) polyvinylidene chloride or a copolymer thereof containing at least 88 percent by weight of vinylidene chloride monomer units and (b) a chlorinated polypropylene or a graft polymer thereof; at the weight ratio of a/b in the range between 99/1 and 90/10, and a topcoat consisting essentially of a vinylidene chloride copolymer containing not more than 88 percent by weight of vinylidene chloride monomer units.