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. 25, 2017
Filed:
May. 19, 2014
Imerys Pigments, Inc., Roswell, GA (US);
David Anstine, Canton, GA (US);
Dickey Shurling, Jr., Sandersville, GA (US);
Imerys USA, Inc., Roswell, GA (US);
Abstract
A heterogeneous composition for use as rock dust is disclosed. The heterogeneous composition includes a fine, wet ground inorganic particulate material treated with at least one fatty acid, a salt thereof, or an ester thereof, and a coarse, untreated, dry ground inorganic particulate material. Also disclosed is a heterogeneous composition including coal dust and mine rock dust including a fine, wet ground inorganic particulate material treated with at least one fatty acid, a salt thereof, or an ester thereof, and a coarse, untreated, dry ground inorganic particulate material. The amount of mine rock dust may be sufficient to render the coal dust explosively inert. The fine, treated, wet ground inorganic particulate material may be calcium carbonate. The coarse, untreated inorganic particulate material may be calcium carbonate. The fatty acid may be stearic acid.