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:
Mar. 08, 1988
Filed:
Jul. 06, 1984
Applicant:
Inventors:
Zenijiro Honda, Himeji, JP;
Hajime Komada, Himeji, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210644 ; 210176 ;
Abstract
An aqueous solution can be concentrated in respect to a volatile substance ontained therein by maintaining the aqueous solution on both sides of a porous membrane which has a pore size of 0.05 to 150 microns and giving a temperature difference between the two respective portions divided by the membrane.