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:
Feb. 20, 2001
Filed:
Sep. 29, 1998
Applicant:
Inventors:
Larry McAmish, Cornelius, NC (US);
Timothy Huskey, Suwanee, GA (US);
Assignee:
Polymer Group, Inc., North Charleston, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 3/102 ; C08L 3/306 ; C08L 6/202 ; C08L 7/504 ;
U.S. Cl.
CPC ...
C08L 3/102 ; C08L 3/306 ; C08L 6/202 ; C08L 7/504 ;
Abstract
A breathable film is composed of a uniform blend of two thermoplastic resins, one having a high moisture vapor transmission rate and the other having a low rate. The blend is melt extruded into a film having good handling characteristics and a controlled degree of moisture vapor transmission, as determined by blend ratio per unit of film thickness.