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:
Aug. 23, 1983
Filed:
Nov. 20, 1981
Applicant:
Inventors:
Colin Ramshaw, Norley, GB;
Roger H Mallinson, Middlesbrough, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
2103211 ; 2104971 ; 422 48 ;
Abstract
Apparatus for effecting mass transfer between two fluid phases, at least the first of which is a liquid, which apparatus comprises an annular permeable element which is rotatable about its axis of symmetry, means to charge the first fluid to the permeable element, means to charge the second fluid to the permeable element, and means to discharge at least one of the fluids or a derivative thereof from the permeable element characterized in that the permeable element is formed by winding a tape under tension around the said axis and anchoring the tape to maintain it under tension.