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. 05, 1978
Filed:
May. 04, 1977
Applicant:
Inventors:
Justin C Powell, Wappingers Falls, NY (US);
Matthew A McMahon, Wappingers Falls, NY (US);
Assignee:
Texaco Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44 / ; 44 / ;
Abstract
Described is a cellular form of solvent refined coal characterized by a decreased density enabling it to float on water. Various methods are presented for introducing cells throughout the coal including the use of cell-forming agents; sintering; particle or gas dispersion; and leaching salts incorporated in the coal.