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:
Jul. 04, 2000
Filed:
Jan. 15, 1999
Applicant:
Inventors:
Nelson E Lawson, Savannah, GA (US);
Gregory S Gorman, Savannah, GA (US);
Assignee:
Arizona Chemical Corporation, Jacksonville, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09F / ; C02F / ;
U.S. Cl.
CPC ...
530230 ; 210694 ;
Abstract
Anthraquinone is removed from tall oil or tall oil fraction by adsorption with activated carbon. The process is particularly useful in the removal of anthraquinone from tall oil heads.