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:
Nov. 21, 1978
Filed:
Feb. 11, 1976
Applicant:
Inventors:
John A Alford, Goose Creek, SC (US);
Michael W Osborne, Charleston, SC (US);
Assignee:
Westvaco Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C09F / ;
U.S. Cl.
CPC ...
260 975 ;
Abstract
A process is disclosed for treating tall oil fatty acids with a zinc catalyst and an iodine catalyst to improve the color and color stability of distilled products. The zinc catalyst is employed in an amount of from 0.01% to about 2.0% by weight of fatty acid and the iodine in an amount from 50 to 500 parts per million of fatty acid. The tall oil fatty acids are treated with the iodine and zinc catalysts at a temperature between 150.degree. C. to 275.degree. C.