Polymet Mining Corp.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 114

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8741238 Metathetic copper concentrate enrichmentAug 13, 13Jun 03, 14[B03D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0027,652 METATHETIC COPPER CONCENTRATE ENRICHMENTAbandonedJan 25, 11Feb 02, 12[C22B]

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