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:
Mar. 07, 2023
Filed:
May. 10, 2019
Applicant:
Avenex Coating Technologies, Inc., Richmond, CA;
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/14 (2006.01); B32B 5/02 (2006.01); B32B 15/20 (2006.01); E04D 5/10 (2006.01); E04D 5/04 (2006.01);
U.S. Cl.
CPC ...
B32B 15/14 (2013.01); B32B 5/022 (2013.01); B32B 15/20 (2013.01); E04D 5/04 (2013.01); E04D 5/10 (2013.01); B32B 2250/05 (2013.01); B32B 2255/02 (2013.01); B32B 2255/06 (2013.01); B32B 2255/26 (2013.01); B32B 2307/51 (2013.01); B32B 2307/71 (2013.01); B32B 2307/7265 (2013.01); B32B 2419/06 (2013.01);
Abstract
A multi-layered fire-resistant roofing underlayment is disclosed. The roofing underlayment has a core of aluminum foil. On each side of the aluminum foil is a layer of nonwoven material. A lamination coating is between the aluminum foil layer and the layers of nonwoven material. At the bottom of the roofing underlayment is a backside coating layer. The roofing underlayment may be utilized in bats or rolls.