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:
Dec. 15, 1987
Filed:
Mar. 02, 1984
Applicant:
Inventors:
Francis J Smit, Arvada, CO (US);
William E Horst, Golden, CO (US);
Anirudh K Bhasin, Golden, CO (US);
Assignee:
Amax Inc., Greenwich, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44 51 ; 44 77 ; 252351 ;
Abstract
A method is provided for inhibiting an increase in viscosity of coal/water slurries when such slurries are caused to contact petroleum oil during fuel changeover in power generation systems, the method comprising maintaining in the coal/water slurry during transitional contact with petroleum oil an effective amount of an agglomeration-inhibiting agent selected from the group consisting of nonionic and anionic dispersing agents sufficient to inhibit the formation of coal/oil agglomerates and provide a flowable mixture during transitional contact having a Brookfield viscosity of below about 50,000 cP.