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. 23, 2020
Filed:
Jul. 31, 2015
Applicant:
Kimberly-clark Worldwide, Inc., Neenah, WI (US);
Inventors:
Steven R. Stopper, Suwanee, GA (US);
John D. Tucker, Woodstock, GA (US);
Assignee:
KIMBERLY-CLARK WORLDWIDE, INC., Neenah, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 (2006.01); E04F 15/20 (2006.01); E04F 15/18 (2006.01); B32B 3/30 (2006.01); B32B 5/02 (2006.01);
U.S. Cl.
CPC ...
E04F 15/203 (2013.01); B32B 3/30 (2013.01); B32B 5/022 (2013.01); E04F 15/185 (2013.01); E04F 15/186 (2013.01); E04F 15/20 (2013.01); B32B 2305/026 (2013.01); B32B 2307/102 (2013.01); B32B 2307/724 (2013.01); B32B 2419/00 (2013.01);
Abstract
The present invention relates to a floor underlayment that may be positioned directly in contact with the underside surface of a finished floor and comprise more than one layer such as a first layer pattern-unbonded nonwoven web and a second layer microporous film. Additional layers may comprise a meltblown nonwoven layer and a spunbond layer. The floor underlayment of the present invention may exhibit a sound pressure level (SPL in dB at 800 Hz or 1600 Hz) reduction IIC of about 30 to about 40.