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:
Nov. 22, 1983
Filed:
Aug. 31, 1981
Applicant:
Inventor:
Francis P Burke, Bethel Park, PA (US);
Assignee:
Conoco Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
2411 / ;
Abstract
An improved method and apparatus for deashing an effluent slurry from a coal liquefaction process is provided. A mixture of relatively coarse coal-derived solids and a precipitating solvent is stirred with the effluent slurry to form hard, discrete agglomerate pellets of improved settling rates.
Burke, Francis. (1983). Method and apparatus for deashing coal liquefaction effluents (U.S. Patent No. 4416424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4416424
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile