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. 28, 1989
Filed:
May. 27, 1988
Applicant:
Inventor:
Reijo O Seppanen, Aetsa, FI;
Assignee:
Oy Nokia AB, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210634 ; 210511 ;
Abstract
The invention relates to a method for separating a substance from an aqueous solution and/or for concentrating it by using an organic extractant. In the method the substance to be separated is caused to pass from the aqueous solution to the extractant, whereafter this extractant is evaporated in direct contact with the aqueous phase into which it is desired to cause the substance to be extracted to pass.