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:
Jul. 13, 2021
Filed:
May. 28, 2014
Applicant:
Certainteed Llc, Malvern, PA (US);
Inventors:
Husnu M. Kalkanoglu, Swarthmore, PA (US);
Keith C. Hong, Lititz, PA (US);
Joong Youn Kim, Newtown Square, PA (US);
Assignee:
CertainTeed LLC, Malvern, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04D 5/12 (2006.01); B32B 37/24 (2006.01); E04D 1/20 (2006.01); D06N 5/00 (2006.01); E04D 1/00 (2006.01);
U.S. Cl.
CPC ...
E04D 5/12 (2013.01); B32B 37/24 (2013.01); D06N 5/00 (2013.01); E04D 1/20 (2013.01); B32B 2037/243 (2013.01); B32B 2315/085 (2013.01); B32B 2395/00 (2013.01); B32B 2419/06 (2013.01); E04D 2001/005 (2013.01);
Abstract
The retention of roofing granules on bituminous roofing products is enhanced by providing an adherent material in the interstices between the exterior surface of the roofing granules and the exposed upper surface of the base sheet.