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. 21, 2020
Filed:
Jan. 18, 2019
Applicant:
Firestone Building Products Co., Llc, Nashville, TN (US);
Inventor:
Wensheng Zhou, Carmel, IN (US);
Assignee:
Firestone Building Products Co., LLC, Nashville, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E04D 1/20 (2006.01); E04D 5/12 (2006.01); E04B 1/74 (2006.01); E04D 1/22 (2006.01); E04D 5/08 (2006.01); E04D 1/00 (2006.01); E04B 1/76 (2006.01);
U.S. Cl.
CPC ...
E04D 1/20 (2013.01); E04B 1/74 (2013.01); E04D 1/22 (2013.01); E04D 5/08 (2013.01); E04D 5/12 (2013.01); E04B 2001/7691 (2013.01); E04D 2001/005 (2013.01); Y10T 428/24413 (2015.01);
Abstract
A roofing article comprising (i) an asphaltic substrate; and (ii) a plurality of mullite-containing granules disposed on a surface of the substrate, where said mullite-containing granules include a mullite concentration of at least 35 wt % and at most 63 wt % as determined by quantitative x-ray diffraction.