(19)
(11) EP 1 017 899 A1

(12)

(43) Date of publication:
12.07.2000 Bulletin 2000/28

(21) Application number: 98944749.5

(22) Date of filing: 04.09.1998
(51) International Patent Classification (IPC)7D21C 9/10
(86) International application number:
PCT/US9818/462
(87) International publication number:
WO 9911/857 (11.03.1999 Gazette 1999/10)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 05.09.1997 US 58000 P
02.09.1998 US 145504

(71) Applicants:
  • The United States Of America, Represented by The Secretary Of Agriculture
    Madison, WI 53705-2398 (US)
  • EMORY UNIVERSITY
    Atlanta, GA 30322 (US)

(72) Inventors:
  • WEINSTOCK, Ira, A.
    Atlanta, GA 30329 (US)
  • COWAN, Jennifer, J.
    Decatur, GA 30033 (US)
  • REINER, Richard, S.
    Madison, WI 53704 (US)
  • HILL, Craig, L.
    Atlanta, GA 30345 (US)

(74) Representative: Eikenberg & Stilkenböhmer 
Patentanwälte,Schackstrasse 1
30175 Hannover
30175 Hannover (DE)

   


(54) TRANSITION-METAL SUBSTITUTED TUNGSTOALUMINATE COMPLEXES FOR DELIGNIFICATION AND WASTE MINERALIZATION