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:
Jan. 29, 1991
Filed:
Dec. 29, 1987
Applicant:
Inventor:
Gunter K Eckstein, Hamburg, DE;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10J / ;
U.S. Cl.
CPC ...
48203 ; 48210 ; 134 20 ; 134 39 ;
Abstract
A process for the gasification of coal is disclosed, the process being characterized by the removal of flyslag deposits in the quench zone of the process by temporarily reducing or stopping the flow of the quench gas to melt the deposits, and then resuming the ordinary quench gas flow.