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. 23, 1998
Filed:
Apr. 01, 1997
Applicant:
Inventor:
Edward Koppelman, Encino, CA (US);
Assignee:
KFX Inc., Denver, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44621 ; 44629 ; 422200 ; 422201 ; 422307 ; 165-1 ;
Abstract
The present invention relates to various apparatuses and processes for treating carbonaceous materials to remove by-products therefrom. More particularly, the present invention relates to the treatment of carbonaceous materials by injecting an inert gas into the carbonaceous material under a vacuum or injecting steam into the carbonaceous material either with or without the vacuum being applied in a controlled manner to more consistently treat the charge of carbonaceous material.