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, 1996
Filed:
Jul. 22, 1994
Applicant:
Inventors:
Richard A Knight, Brookfield, IL (US);
Ronald H Carty, Chicago, IL (US);
Michael Onischak, Olympia Fields, IL (US);
Assignee:
Institute of Gas Technology, DesPlaines, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10C / ; C10C / ;
U.S. Cl.
CPC ...
208 39 ; 208 40 ; 208 42 ; 208 43 ;
Abstract
A process for producing high-quality pitches comprising atomizing a preheated feed material of carbonaceous tar and/or pitch, forming an aerosol, contacting the aerosol in a reaction vessel with a flowing, non-reactive gas atmosphere for less than about 10 seconds at a gas temperature of about 1400.degree. F. to about 2000.degree. F., and separating and recovering a liquid fraction of the liquid formed in the reaction vessel which remains in a liquid phase up to a distillation temperature of about 750.degree. F.