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:
Jul. 17, 1984
Filed:
Aug. 03, 1983
Applicant:
Inventors:
David J McCaffrey, Cheltenham, GB;
William D Jones, Tewkesbury, GB;
Assignee:
Coal Industry (Patents) Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210689 ; 568916 ;
Abstract
Organic solvents miscible with water and containing from 2 to 50% of water can be dried by passage over a molecular sieve capable of retaining water after it has been dehydrated, at a superficial velocity of less than 15 cm/min and using columns having specified lengths relative to the mass transfer zone.