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:
Mar. 06, 2001
Filed:
Jun. 12, 1998
Applicant:
Inventors:
Livio Buongiorno, Milan, IT;
Ray E. Patrick, Pelzer, SC (US);
Luca Cerani, Milan, IT;
Paolo Ciocca, Lumellogno, IT;
Roberto Forloni, Milan, IT;
Assignee:
Cryovac, Inc., Duncan, SC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 3/510 ;
U.S. Cl.
CPC ...
B29C 3/510 ;
Abstract
A method of making the a multilayer, biaxially oriented, heat shrinkable thermoplastic film includes a layer having between 50 and 100 parts by weight ethylene/alpha-olefin C,-C,copolymer, and between 0 and 50 parts by weight of a polymer selected from polyolefin, and modified polyolefin, the layer having more than one melting point when detected by diffential scanning calorimetry according to ASTM D-3418; wherein the total thickness variation in the multilayer film is lower than ±10%.