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. 20, 1996
Filed:
Jun. 12, 1991
Applicant:
Inventor:
Apostol Yanidis, Berkeley, CA (US);
Assignee:
James River Paper Company, Inc., Milford, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J / ;
U.S. Cl.
CPC ...
428349 ; 428355 ; 525196 ; 525221 ;
Abstract
When a flexible packaging material having a heatseal layer comprising a blend of about 15 to 50 percent polybutylene and about 50 to 85 percent of an ionomer is formed into a package by heatsealing the heatseal layer to itself, the strenth of the heatseal is between about 0.5 and 2.0 pounds per inch, with delamination occurring solely between the heatseal layers when the package is opened.