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:
Jun. 04, 1985
Filed:
Dec. 27, 1982
Applicant:
Inventors:
Byron G Spars, Mill Valley, CA (US);
Robert J Klett, San Francisco, CA (US);
P Henrik Wallman, Berkeley, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 / ;
Abstract
A heavy oil fraction of pyrolysis oil vapors containing concentrated contaminants is coked on the hot mixture of pyrolyzed solids and heat transfer material in a retorting vessel provided with an inert stripping gas of a velocity sufficient to lower the dew point of the pyrolysis oil.