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:
Feb. 03, 1981
Filed:
Mar. 13, 1979
Applicant:
Inventor:
Ake A Johansson, Meyrin, CH;
Assignee:
Linotek Oy, Jarvenpaa, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09F / ; D21C / ;
U.S. Cl.
CPC ...
260 977 ; 162 16 ; 162 29 ;
Abstract
A method for washing of crude tall oil soap obtained from the sulfate pulping process using alkalized spent acid from tall oil acidulation as washing liquid by mixing the crude soap and the washing liquid coming from the process and by cooling the mixture in a separation tank by either stirring with a slowly moving agitator or by circulating the soap or soap mixture through a pump and a cooler.