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. 08, 2014
Filed:
Jan. 22, 2010
Robert H. Whitaker, Cleveland, GA (US);
Richard Brann, Franklin, TN (US);
Randall P. Downing, Monteagle, TN (US);
Robert H. Whitaker, Cleveland, GA (US);
Richard Brann, Franklin, TN (US);
Randall P. Downing, Monteagle, TN (US);
L Hoist North America, Inc., Fort Worth, TX (US);
Abstract
A roofing shingle that contains a roofing granules. The roofing granules contain at least about 95 weight percent of calcium carbonate with a hardgrove grindability index of less than about 70, and from about 0.1 to about 1.0 weight percent of a pigmented material; the pigmented material contains from about 10 to about 35 weight percent of pigment and from about 90 to about 65 weight percent of a resin; and the roofing granules are coated with an amine antistrip agent.