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:
Mar. 27, 1979
Filed:
Dec. 19, 1977
Applicant:
Inventor:
Francis P Burke, Bethel Park, PA (US);
Assignee:
Continental Oil Company, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208-8 ; 44 / ; 44 13 ; 196102 ; 196114 ; 196115 ; 196133 ; 208 10 ; 208349 ; 264 87 ;
Abstract
A solvent extraction coal conversion process is provided wherein the effluent slurry product is subjected to vacuum distillation to yield distillate and extrudable still bottoms. The latter are removed from the vacuum still by means of an extrusion screw which is operatively associated with the still.