Fenicem Minerals Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6440194 Recovery of precious metals from metal alloys produced aluminothermically from base metal smelter slagExpiredNov 21, 00Aug 27, 02[C22B]
2002/0033,120 Method of making cement from tailings or rock fines containing silicate or siliceous compoundsAbandonedJun 28, 01Mar 21, 02[C04B]
6033467 Method of making cement or mine backfill from base metal smelter slagExpiredMay 08, 98Mar 07, 00[C04B]
5968258 Method of making cement from base metal smelter slagExpiredMay 08, 98Oct 19, 99[C04B]
5865872 Method of recovering metals and producing a secondary slag from base metal smelter slagExpiredMar 12, 97Feb 02, 99[C22B, C21B]
5749962 Method of making cement from base metal smelter slagExpiredNov 26, 96May 12, 98[C04B]
5626646 Method of recovering metals and producing a secondary slag from base metal smelter slagExpiredJun 14, 96May 06, 97[C21B]
5593493 Method of making concrete from base metal smelter slagExpiredJun 26, 95Jan 14, 97[C04B]

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