C25C 1/18

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9837689 Method for smelterless recycling of lead acid batteriesNov 18, 14Dec 05, 17AQUA METALS INC.
9777346 Methods for recovering metals from electronic waste, and related systemsSep 03, 15Oct 03, 17Battelle Energy Alliance, LLC
9666547 Method of refining solder materialsApr 28, 10May 30, 17HONEYWELL INTERNATIONAL INC.
9322104 Recovering lead from a mixed oxidized materialNov 11, 13Apr 26, 16BASF SE, THE UNIVERSITY OF BRITISH COLUMBIA,
9322105 Recovering lead from a lead material including lead sulfideNov 11, 13Apr 26, 16THE UNIVERSITY OF BRITISH COLUMBIA
9150973 Process for recovering metals and an electrolytic apparatus for performing the processAug 17, 12Oct 06, 15JERNKONTORET AB
9051624 Method of washing anode slime from lead-bismuth alloy electrolysisDec 30, 09Jun 09, 15JIANGXI RARE EARTH AND RARE METALS TUNGSTEN GROUP HOLDING CO. LTD.
9017542 Process for recovering valuable metals from precious metal smelting slagDec 11, 12Apr 28, 15Xiangguang Copper Co., Ltd.
8715483 Process for the recovery of lead from lead-bearing materialsApr 11, 12May 06, 14METALS TECHNOLOGY DEVELOPMENT COMPANY, LLC
8409421 Process for producing metallic lead starting from desulfurized pastelNov 27, 08Apr 02, 13ENGITEC TECHNOLOGIES S.P.A.
8202411 Electrowinning apparatus and processMar 19, 08Jun 19, 12ELTRON RESEARCH & DEVELOPMENT, INC.
6641712 Process for the recovery of tin, tin alloys or lead alloys from printed circuit boardsOct 10, 01Nov 04, 03ALPHA FRY LIMITED, CAMBRIDGE UNIVERSITY TECHNICAL SERVICES LIMITED, EA TECHNOLOGY LIMITED,
6340423 Hydrometallurgical processing of lead materials using fluotitanateMar 10, 00Jan 22, 02BHP MINERALS INTERNATIONAL, INC.
6149797 Method of metal recovery using electrochemical cellOct 27, 98Nov 21, 00EASTMAN KODAK COMPANY
5464507 Process for the electrolytic deposition of metalsAug 25, 94Nov 07, 95DE NORA ELETTRODI S.P.A., DE NORA PERMELEC S.P.A., A CORP. OF ITALY,
5441609 Process for continuous electrochemical lead refiningAug 12, 93Aug 15, 95Ecochem Aktiengesellschaft
5376239 Process for separating electrodeposited metal in electrolytic refiningNov 03, 93Dec 27, 94MITSUBISHI MATERIALS CORPORATION
5344530 Metal anodes for electrolytic acid solutions containing fluorides or fluoroanionic complexesApr 29, 93Sep 06, 94DE NORA PERMELEC S.P.A., A CORP. OF ITALY
5262020 Hydrometallurgical method of producing metallic lead from materials containing oxides, particularly from the active material of accumulatorsDec 21, 92Nov 16, 93M.A. INDUSTRIES, INC.
5217585 Transition metal decontamination processDec 20, 91Jun 08, 93DURATEK SERVICES, INC., FIRST UNION BANK OF MARYLAND,

Showing 1 to 20 of 39 results