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. 07, 1990
Filed:
Mar. 01, 1989
Applicant:
Inventors:
Patrick J Denny, Darlington, GB;
David G Shipley, Stockton-on-Tees, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C02F / ; B01J / ;
U.S. Cl.
CPC ...
423230 ; 210749 ; 210751 ; 502 22 ; 502 38 ; 502 55 ; 502400 ; 502517 ;
Abstract
Low temperature desulphurization process using a bed of zinc oxide-containing absorbent in which the water content within the bed is temporarily increased, thereby increasing the sulphur absorption capacity of the absorbent.