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:
Sep. 20, 1977
Filed:
Aug. 21, 1975
Applicant:
Inventors:
Thomas Nicklin, Bamford, EN;
Dorothy Hughes, Manchester, EN;
Assignee:
British Gas Corporation, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423226 ; 4235 / ; 210 59 ;
Abstract
The activity of the metal components of Stretford Redox Liquors can be maintained in the presence of complexing groups present in the organic redox agent by preparing the organic quinone component under acidic conditions in the presence of ferrous or ferric ions. The iron complexed quinone may be added to the metallic components under conditions to maintain the alkaninity of the mixed Liquor.