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:
Aug. 20, 1996
Filed:
Jul. 18, 1994
Applicant:
Inventor:
Mark A Siddoway, Destrehan, LA (US);
Assignee:
Tek-Kol, LaJolla, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10B / ; C10L / ; C10G / ;
U.S. Cl.
CPC ...
201 29 ; 201 28 ; 201 39 ; 44620 ; 44626 ; 208427 ;
Abstract
A method for reducing the undesirable contaminants in process water produced in pyrolysis of low rank coal. The method uses the process water to quench and rehydrate a char produced by pyrolysis with the contaminants in the waster water being absorbed by the char.