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.

Date of Patent:
Feb. 08, 1983

Filed:

Dec. 08, 1980
Applicant:
Inventor:

Ronald Liotta, Clark, NJ (US);

Assignee:

Exxon Research and Engineering Co., Florham Park, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ; C10L / ;
U.S. Cl.
CPC ...
44 / ; 208 / ;
Abstract

Coal and coal bottoms characterized by having the hydrogens of substantially all of the hydroxyl and carboxyl groups, of the coal and coal bottoms replaced with C.sub.1 to C.sub.20 alkyl or acyl groups.


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