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. 30, 1994
Filed:
Oct. 07, 1991
Applicant:
Inventors:
Peter W Austin, Bury, GB;
Peter M Quan, Rochdale, GB;
Peter A Tasker, Oldham, GB;
Derek Thorp, Heywood, GB;
Assignees:
Zeneca, Limited, London, GB;
Nerco, Inc., Portland, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544-8 ; 544 54 ; 544 67 ; 544 68 ; 544 92 ; 544 97 ; 544180 ; 544220 ; 544235 ; 544286 ; 544315 ; 544322 ; 548126 ; 548136 ; 548144 ; 548163 ; 548174 ; 548182 ; 548185 ; 546123 ; 546156 ; 546221 ; 546243 ; 546262 ; 546263 ;
Abstract
A solvent soluble heterocyclic o-hydroxy thione carrying a lipophilic group and the process for the selective extraction of gallium, and certain other related metals, especially from solutions containing excess aluminium.
Austin, Peter. (1994). Heterocyclic thione (U.S. Patent No. 5342937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5342937
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile