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:
Jun. 21, 2005
Filed:
Jul. 24, 1998
Susan Elaine Shawver, Roswell, GA (US);
Paul Windsor Estey, Cumming, GA (US);
William Bela Haffner, Kennesaw, GA (US);
Cindy Janja Blackstock, Cumming, GA (US);
Glynis Allicia Walton, Roswell, GA (US);
Duane Girard Uitenbroek, Little Chute, WI (US);
Susan Elaine Shawver, Roswell, GA (US);
Paul Windsor Estey, Cumming, GA (US);
William Bela Haffner, Kennesaw, GA (US);
Cindy Janja Blackstock, Cumming, GA (US);
Glynis Allicia Walton, Roswell, GA (US);
Duane Girard Uitenbroek, Little Chute, WI (US);
Kimberly-Clark Worldwide, Inc., Neenah, WI (US);
Abstract
A thermally stable microporous breathable film is provided comprising at least 35% filler, by weight of the filled-film, and a thermoplastic polymer blend of a first polyethylene polymer and a second polyethylene polymer. The first polyethylene polymer comprises 30%-70% by weight of the polymer blend and can have a density between about 0.86 g/cmand 0.89 g/cmand the second polyethylene polymer can have a density between about 0.90 g/cmand 0.92 g/cm. The filled-film can be uniaxially or biaxially oriented to form a microporous film and/or film laminate having good body conformance and which retains a high WVTR at 37° C. and above.