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:
Jan. 30, 2001
Filed:
Oct. 30, 1997
Applicant:
Inventors:
Robert E Albers, Wilmington, DE (US);
Arthur William Etchells, Philadelphia, PA (US);
Joseph Daniel Gutmann, Jr., Lincoln University, PA (US);
Edgar W. Slocum, Wilmington, DE (US);
Ashok H. Shah, Chesterfield, VA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 7/02 ; B01F 1/502 ;
U.S. Cl.
CPC ...
B01F 7/02 ; B01F 1/502 ;
Abstract
This invention relates to mixing two substantially immiscible fluids having substantial viscosity differences into a single phase solution. The invention particular includes a mixer comprising a specially designed conveyor flights to provide shear mixing without differential conveying of the fluids or causing excessive back pressure or pressure drop on the solution.