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:
Jun. 03, 2003
Filed:
Aug. 21, 2000
Applicant:
Inventors:
Herbert Franz Wollak, Plan-les-Ouates, CH;
Bernard Rioux, Paris, FR;
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/732 ;
U.S. Cl.
CPC ...
B32B 2/732 ;
Abstract
A thermoplastic shrinkable film consisting of two or more layers, including, at least, (a) a layer of a polyolefin, (b) a layer of a blend of a polyolefin and an ionomer is disclosed. Optionally, the film contains (c) a further layer of a polyolefin, in which case layer (b) is positioned between layers (a) and (c). Films according to this invention demonstrate omnidirectional tearability, good clarity and strength and are cost competitive with other films on the market.
Wollak, Herbert. (2003). Thermoplastic film for packaging (U.S. Patent No. 6572979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6572979
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile