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. 19, 1995
Filed:
May. 25, 1994
Applicant:
Inventors:
Paul R Hart, The Woodlands, TX (US);
Wiley L Parker, Conroe, TX (US);
Alan E Goliaszewski, The Woodlands, TX (US);
April Jean, Houston, TX (US);
Scott E Lehrer, Houston, TX (US);
Assignee:
Betz Laboratories, Inc., Trevose, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C10G / ;
U.S. Cl.
CPC ...
585860 ; 585-4 ; 585833 ; 208180 ; 208289 ;
Abstract
A method for accelerating the settling of finely divided solids in hydrocarbon fluids comprising adding to the hydrocarbon a sufficient settling amount of quaternary fatty ammonium compound. Preferably, the hydrocarbon is a fluid catalytic cracker slurry containing spent catalyst fines.