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. 08, 2000
Filed:
Jan. 12, 1998
Applicant:
Inventors:
Robert Mark Worden, Holt, MI (US);
Alec B Scranton, Boulder, CO (US);
Assignee:
Board of Trustees Operating Michigan State University, East Lansing, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01J / ; C12N / ;
U.S. Cl.
CPC ...
435243 ; 95150 ; 95253 ; 210643 ; 435246 ; 4352625 ; 435818 ; 435821 ; 516 19 ; 516 64 ; 588226 ;
Abstract
A method for forming gas or liquid aphrons with reversible surfactants or emulsifiers is described. Polymers which change their emulsifying properties upon change of pH, temperature or other condition are used to form the aphrons. The aphrons are useful for chemical reactions and separations, mass transfer processes, and for biological processes.