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. 16, 2021
Filed:
Jun. 16, 2015
Applicant:
Dupont Safety & Construction, Inc., Wilmington, DE (US);
Inventors:
Jan Van Meerveld, Remich, LU;
Corneille Schmitz, Aywaille, BE;
Joseph Mathieu, Esch-sur-Alzette, LU;
Noel Stephen Brabbs, Garnich, LU;
Orest Skoplyak, Newark, DE (US);
Christine Lemoine, Waldbredimus, LU;
Serge Rebouillat, Echenevex, FR;
Assignee:
DUPONT SAFETY & CONSTRUCTION, INC., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/02 (2006.01); D01F 6/04 (2006.01); D04H 3/007 (2012.01); D04H 3/16 (2006.01); B32B 27/12 (2006.01); B32B 27/32 (2006.01); C08J 5/18 (2006.01); D01D 5/11 (2006.01); D04H 3/14 (2012.01); E04B 1/62 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); B32B 5/022 (2013.01); B32B 27/12 (2013.01); B32B 27/32 (2013.01); D01D 5/11 (2013.01); D01F 6/04 (2013.01); D04H 3/007 (2013.01); D04H 3/14 (2013.01); D04H 3/16 (2013.01); B32B 2307/718 (2013.01); B32B 2307/7246 (2013.01); B32B 2307/7265 (2013.01); B32B 2419/00 (2013.01); C08J 2323/06 (2013.01); E04B 1/625 (2013.01); Y10T 428/31938 (2015.04);
Abstract
A sheet having a plexifilamentary structure with a normalized Frazier air permeability of between 0.002 and 0.2 (m/m·minute)@50 gsm, and a normalized hydrohead of between 150 and 250 centimeters@50 gsm.