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:
Apr. 05, 2011
Filed:
Mar. 20, 2009
Applicants:
Steffen Bornemann, Jessnitz, DE;
Markus Haberer, Osnabruck, DE;
Inventors:
Steffen Bornemann, Jessnitz, DE;
Markus Haberer, Osnabruck, DE;
Assignee:
Fiberweb Corovin GmbH, Peine, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/24 (2006.01); B32B 5/26 (2006.01); B32B 5/30 (2006.01); B32B 27/02 (2006.01); B32B 27/32 (2006.01); B32B 27/12 (2006.01); B32B 27/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a spun-bonded nonwoven fabric made of polyolefin filaments having a titer<1.6 dtex, the spun-bonded nonwoven fabric having a basis weight≦18 g/m, a waterproofness of <15 cm measured as a water column, and an air permeability of at least 230 m/(m·min), wherein the product of the air permeability and the basis weight is ≦5000 g/(m·min).