Recovery of PGMs and chromite from mixed PGM/CR ores

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12163205
APP PUB NO 20220162724A1
SERIAL NO

17441160

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

THIS invention relates to a process for the enhanced recovery of chromite and platinum group metals (PGMs) from a mixed chromite/PGM ore. Ore is ground 12, classified 14, to produce a coarse fraction and a fine fraction 36. The coarse fraction is subjected to gravity separation 16 and coarse particle flotation 20 to obtain a chrome concentrate and a PGM concentrate. The fine fraction 36 and PGM concentrate are ground 28, and subjected to conventional flotation 30 to obtain a PGM concentrate product 32. The benefits of this novel configuration of gravity concentration and coarse flotation technologies, as applied to both chromite and PGM recovery, are higher recoveries of chromite in a saleable concentrate, higher recoveries of PGMs and base metals, and lower chromite content in the PGM concentrate.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ANGLO AMERICAN TECHNICAL & SUSTAINABILITY SERVICES LTDLONDON EC1N 6RA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alexander, Daniel John St Albans, GB 12 31
Filmer, Anthony Owen Kangaroo Point, AU 14 31

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jun 10, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 10, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 10, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00