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:
Apr. 23, 1991
Filed:
Apr. 26, 1990
Applicant:
Inventors:
Mark K Weise, North Haledon, NJ (US);
Jeffery P Kingsley, Newburgh, NY (US);
Lawrence M Litz, Pleasantville, NY (US);
Assignee:
Union Carbide Industrial Gases Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 21 ; 261 87 ; 261 93 ;
Abstract
A gas-liquid mixing process and apparatus employing two or more stacked impeller-draft tube assemblies adapted to enable effective gas ingestion into a recirculating body of liquid by vortex development to be continued upon an appreciable variation in liquid level during the course of the mixing operation.