Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Reexamination Certificate
2005-04-05
2005-04-05
Andrews, Melvyn (Department: 1742)
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
C209S162000, C209S214000, C423S026000, C423S027000, C436S026000, C436S080000, C436S086000, C436S172000, C436S525000, C502S403000
Reexamination Certificate
active
06875254
ABSTRACT:
Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral binding reagent and gold-specific protein, or hydrophobic reagent and gold-specific protein in conjunction with a flotation reagent.
REFERENCES:
patent: 4722892 (1988-02-01), Meares et al.
patent: 4769223 (1988-09-01), Volesky et al.
patent: 4789481 (1988-12-01), Brierley et al.
patent: 5354658 (1994-10-01), Wright
patent: 5378437 (1995-01-01), Kleid et al.
patent: 5503987 (1996-04-01), Wagner et al.
patent: 5567316 (1996-10-01), Spears et al.
patent: 6026965 (2000-02-01), Berardi et al.
patent: 6033878 (2000-03-01), Matsunaga
patent: 6059118 (2000-05-01), Ding et al.
patent: WO 9714818 (1997-04-01), None
Al-Asheh & Duvnjak (1996)J. Hazardous Mat. 48:83-93.
Brown (1997)Nat. Biotech. 15:269-72.
Bontideau et al. (1997)Anal. Chem. 70:1842-1848.
Ishikawa & Suyama (1998)App. Biochem. and Biotech. 70-72:719-728.
Niu & Volesky (2000)J. Chem. Tech. and Biotech. 75:436-442.
Woodbury et al. (1998)Biosensors and Bioelectronics13:1117-1126.
Chevillon Victor
Clendenning James B.
Furlong Clement E.
Jorgenson-Soelberg Scott
Kirshenbaum Noel W.
Andrews Melvyn
Placer Dome Inc.
Swanson & Bratschun LLC
University of Washington
LandOfFree
Methods for detecting and extracting gold does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Methods for detecting and extracting gold, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods for detecting and extracting gold will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3418401