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.:

US 6632521 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 14, 2003

Filed:

Jun. 08, 2001
Applicant:
Inventors:

Roy Christopherson, Swindon, GB;

David Thomas Stell, Bristol, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/708 ; B65D 6/540 ;
U.S. Cl.
CPC ...
B32B 2/708 ; B65D 6/540 ;
Abstract

Polymeric films having at least one outer layer consisting of a blend of low density polyethylene and a poly-(alkylstyrene) can be heat sealed to non-woven webs such as paper to produce peel openable packages, for example for medical equipment. Such packages can be peeled open with low fiber lift from the non-woven webs.


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