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:
Apr. 16, 1985
Filed:
Mar. 21, 1984
Applicant:
Inventors:
Kenneth L Baumert, Emmaus, PA (US);
Alberto A Sagues, Lexington, KY (US);
Burtron H Davis, Georgetown, KY (US);
Assignee:
International Coal Refining Company, Allentown, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ;
U.S. Cl.
CPC ...
208 / ; 208 47 ; 208348 ;
Abstract
Fractionation apparatus material corrosion in a coal liquefaction system is reduced by addition of compounds having a pK.sub.b <6 to tower feed streams or to the tower itself.