More efficient ether modifiers for copper extractant...

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C423S023000, C252S364000, C252S184000

Reexamination Certificate

active

07993613

ABSTRACT:
The disclosed invention provides water-insoluble, water-immiscible extraction reagent compositions comprising an extractant reagent comprising one or more aldoxime extractants, optionally including one or more ketoxime extractants, in combination with one or more ether or polyether equilibrium modifiers, or mixtures thereof, selected from the compounds of Formula I-III:

REFERENCES:
patent: 4507268 (1985-03-01), Kordosky et al.
patent: 4978788 (1990-12-01), Dalton et al.
patent: 5176843 (1993-01-01), Dalton et al.
patent: 5281336 (1994-01-01), Dalton et al.
patent: 6113804 (2000-09-01), Dalton et al.
patent: 6177055 (2001-01-01), Virnig et al.
patent: 6231784 (2001-05-01), Virnig et al.
patent: 6277300 (2001-08-01), Dalton et al.
patent: 2002/0157572 (2002-10-01), Sudderth et al.
patent: 2006/0192175 (2006-08-01), Sudderth et al.
patent: 99/10546 (1999-03-01), None
patent: 2006104816 (2006-10-01), None
A. M. Sastre et al. “Discussion of the Physiochemical Effects of Modifiers on the Extraction Properties of Hydroxyoximes. A Review” Solvent Extraction and Ion Exchange, vol. 22, Issue 5, Dec. 2004, pp. 737-759.
G. Kordosky & M. Virnig Equilibrium Modifiers in Copper Solvent Extraction Reagents—Friend or Foe? Hydrometallurgy 2003, TMS 2003, pp. 905-916.
International Search Report from PCT/US2007/024738.
European Search Report.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

More efficient ether modifiers for copper extractant... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with More efficient ether modifiers for copper extractant..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and More efficient ether modifiers for copper extractant... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2652902

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.