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:
Jan. 09, 2001
Filed:
Oct. 21, 1999
Applicant:
Inventor:
Hannu Juhani Leino, Espoo, FI;
Assignee:
AGA Aktiebolag, Lidingo, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 1/04 ;
U.S. Cl.
CPC ...
C08F 1/04 ;
Abstract
The present invention relates to a process and apparatus for the cleaning of crude tall oil soap. Crude soap floating on top of a layer of black liquor is cleaned with carbon dioxide, in a tall oil recovery system containing a cleaning vessel (T) for crude tall oil soap and black liquor. Said vessel has a carbon dioxide inlet (,) for introducing cleaning carbon dioxide into the soap. The cleaning vessel (T) is also provided with a black liquor separately from the cleaned soap. The cleaned soap may be acidified so as to provide tall oil.