ASARCO Incorporated

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE34664 Method and apparatus for electrolytic refining of copper and production of copper wires for electrical purposesDec 23, 91Jul 19, 94[C25D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0100,729 Purification of produced water from coal seam natural gas wells using ion exchange and reverse osmosisAbandonedJan 23, 02Aug 01, 02[C02F]
6192969 Casting of high purity oxygen free copperExpiredMar 22, 99Feb 27, 01[B22D]
6116079 Liquid copper hydrogen sample probeExpiredJan 05, 99Sep 12, 00[G01N, B22D]
5961797 Copper cathode starting sheetsExpiredMay 03, 96Oct 05, 99[B22D]
5935409 Fluoboric acid control in a ferric fluoborate hydrometallurgical process for recovering metalsExpiredMar 26, 98Aug 10, 99[C25C]
5908555 Anoxic biotreatment cellExpiredAug 29, 97Jun 01, 99[C02F]
5762683 Ferric fluoborate/organic extractant hydrometallurgical process for recovering metalsExpiredMay 21, 96Jun 09, 98[C22B]
5614038 Method for making machinable lead-free copper alloys with additiveExpiredJun 21, 95Mar 25, 97[C21D]
5575921 Sludge dredging and dewatering processExpiredFeb 08, 95Nov 19, 96[C02F, E02F]
5540749 Production of spherical bismuth shotExpiredSep 08, 94Jul 30, 96[B22F]
5279644 Fire refining precious metals asay methodExpiredFeb 18, 93Jan 18, 94[C22B]
5242571 Method and apparatus for the electrolytic production of copper wireExpiredOct 26, 92Sep 07, 93[C25D]
5234492 Refining of bismuthExpiredApr 14, 92Aug 10, 93[C22B]
5133948 Process for the removal of bismuth from copper refining electrolyte by using lead oxideExpiredJul 11, 91Jul 28, 92[C01G]
5110353 Process for the recovery and separation of arsenic from antimonyExpiredJan 29, 91May 05, 92[C22B]
5103892 Continuous casting of discrete shapesExpiredJul 17, 91Apr 14, 92[B22D]
4985216 Reduction roasting of metal oresExpiredJul 20, 88Jan 15, 91[C22B, C01G]
4936127 Production of copper rod by rollingExpiredMay 25, 89Jun 26, 90[B21B]
4902191 Pail lifterExpiredDec 09, 85Feb 20, 90[B66C]
4891061 Process for treating speissExpiredApr 21, 86Jan 02, 90[C22B]

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