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. 19, 1985
Filed:
Oct. 04, 1983
Applicant:
Inventors:
John S Poole, Wilmington, DE (US);
Dennis R Gere, Westchester, PA (US);
Raymond J Bell, Landenberg, PA (US);
Mark A Nickerson, New London, PA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210659 ; 55 67 ; 55386 ; 2101982 ;
Abstract
Concentration of the solutes contained in a liquid solvent is effected by passing the solvent through a first trapping means that adsorbs them, flushing the first trapping means with supercritical fluid and reducing its solubility parameter in a second trapping means so that the latter can adsorb desired solutes.