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. 08, 2005
Filed:
Sep. 02, 2003
Aldrich Holt Northup, Jr., Katy, TX (US);
Michael Robert Resetarits, Depew, NY (US);
Neil Anthony Sandford, Wichita, KS (US);
Pamela JO Tokerud, Wichita, KS (US);
Gary Wayne Gage, Grand Prairie, TX (US);
Veada Colic, Dallas, TX (US);
Aldrich Holt Northup, Jr., Katy, TX (US);
Michael Robert Resetarits, Depew, NY (US);
Neil Anthony Sandford, Wichita, KS (US);
Pamela Jo Tokerud, Wichita, KS (US);
Gary Wayne Gage, Grand Prairie, TX (US);
Veada Colic, Dallas, TX (US);
Kellogg Brown & Root, Inc., Houston, TX (US);
Abstract
Method and apparatus for contacting two liquid phases for liquid-liquid extraction in a vertical extraction vessel. A relatively heavier liquid phase, descending the extraction vessel at a relatively low volumetric flow rate, is dispersed into a continuous phase comprising a relatively lighter liquid rising through the extraction vessel at a relatively high flow rate. Sieve trays are provided with adjustable active areas and overlapping manways for personnel access.