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:
Nov. 26, 2013
Filed:
Aug. 25, 2006
Lucien Schosseler, Luxembourg, LU;
Alexis Grosrenaud, Hautcharage, LU;
Duncan Henry Mackerron, Middlesbrough, GB;
Valery Rebizant, Luxembourg, LU;
Lucien Schosseler, Luxembourg, LU;
Alexis Grosrenaud, Hautcharage, LU;
Duncan Henry MacKerron, Middlesbrough, GB;
Valery Rebizant, Luxembourg, LU;
DuPont Teijin Films U.S. Limited Partnership, Chester, VA (US);
Abstract
The invention relates to A bi-axially stretched breathable film comprising a polymeric mixture, said polymeric mixture comprising based on the total weight of the polymeric mixture/—at least 50% of at least one polyether block copolymer; and —from 0.5 to less than 50% of at least one polyester. The invention also relates to a method to manufacture said film, and uses of said film. The invention also relates to a method for producing a bi-axially stretched breathable film comprising at least one polyether block copolymer.