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. 08, 1991
Filed:
Nov. 02, 1989
Applicant:
Inventors:
Patrick J Denny, Darlington, GB;
Peter J Carnell, Stockton-on-Tees, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423230 ; 55 73 ; 502 34 ; 502 56 ; 502517 ;
Abstract
The absorption capacity of a desulphurizing absorbent bed is increased by temporarily increasing the temperature of the absorbent bed by at least 50.degree. C. from the normal operating temperature to a maximum temperature not in an excess of 500.degree. C.