(19)
(11) EP 0 063 137 A1

(12)

(43) Date of publication:
27.10.1982 Bulletin 1982/43

(21) Application number: 81902908.0

(22) Date of filing: 19.10.1981
(51) International Patent Classification (IPC): 
C07D 215/ 26( . )
 C22B 3/ 36( . )
(86) International application number:
PCT/US1981/001378
(87) International publication number:
WO 1982/001369 (29.04.1982 Gazette 1982/11)
(84) Designated Contracting States:
CH DE FR GB LI NL SE

(30) Priority: 22.10.1980 US 19800199493

(71) Applicant: SHEREX CHEMICAL COMPANY, INC.
Dublin, OH 43017 (US)

(72) Inventors:
  • GEFVERT, David L.
    Columbus, OH 43017 (US)
  • RICHARDS, Harvey J.
    Columbus, OH 43221 (US)

   


(54) STABILIZATION OF SUBSTITUTED 8-HYDROXYQUINOLINE HYDROMETALLURGICAL REAGENTS