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:
Jul. 16, 1991
Filed:
Jun. 07, 1989
Applicant:
Inventor:
Edwin R Smith, Chicago, IL (US);
Assignee:
Viskase Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428520 ; 428 349 ; 428 367 ; 428349 ; 428516 ; 428518 ; 428910 ; 525240 ;
Abstract
Biaxially stretched monolayer and multilayer films comprising blends of a 1-butene very low density polyethylene with a 1-hexene very low density polyethylene have improved combinations of properties including good puncture resistance and shrinkage values and unexpectedly good machine direction shrink force.