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. 26, 1985
Filed:
Jun. 20, 1984
Applicant:
Inventors:
James C Bronfenbrenner, Allentown, PA (US);
Edward P Foster, Allentown, PA (US);
Krishna Tewari, Allentown, PA (US);
Assignee:
International Coal Refining Company, Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44 78 ; 44 51 ;
Abstract
A process is disclosed for stabilizing the viscosity of coal derived materials such as an SRC product by adding up to 5.0% by weight of a light volatile phenolic viscosity repressor. The viscosity will remain stabilized for a period of time of up to 4 months.