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:
May. 21, 1985
Filed:
Nov. 21, 1983
Applicant:
Inventors:
Gerald F Pace, Ponca City, OK (US);
Terry S Cantu, Ponca City, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44-6 ; 44 / ;
Abstract
Spontaneous combustion in piles of coal is prevented by forming a slurry of coal fines in an effective amount of sodium silicate solution to form a slurry which is placed on the surface of the coal pile and then allowed to harden into a cement to substantially exclude water and atmosphere.