Class 205/539 - Manganese containing

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein a manganese oxide is produced during
No. of patents: 24
Last issue date: 05/31/2011

Number	Title	Issue Date
7951282	Hydrometallurgical processing of manganese containing materials A process for the hydrometallurgical processing of manganese containing materials, the process characterized by the combination of a manganese dioxide containing feedstock and an acidic solution to form an acidic solution to be leached, and passing a volume of sulph...	05/31/2011
7776202	Process for producing electrolytic manganese dioxide This invention relates generally to a process of producing electrolytic manganese dioxide (EMD). More specifically, a method of producing EMD from geothermal brine solutions is provided. Methods for production of manganese dioxide from geothermal brines through an e...	08/17/2010
7056424	Cathode for electrochemical regeneration of permanganate etching solutions In order to regenerate permanganate solutions being utilized for the etching and roughening of plastics surfaces electrolytic methods are known. Though relatively small quantaties of by-products are produced with these methods as compared to chemical regeneration me...	06/06/2006
6726828	Electrochemical processing Using a solution mining procedure, an ore (10) is treated with a solution of acetic acid and hydrogen peroxide so as to form a leachate containing lead ions. Lead ions (and other metal ions such as zinc and manganese) are stripped (22, 24, 26) by solve...	04/27/2004
6682644	Process for producing electrolytic manganese dioxide from geothermal brines This invention relates generally to a process of producing electrolytic manganese dioxide (EMD). More specifically, a method of producing EMD from geothermal brine solutions is provided. Methods for production of manganese dioxide from geothermal brines t...	01/27/2004
6630065	Powder of electrolytic manganese dioxide and process for producing the same A powder of electrolytic manganese dioxide and a process for producing the same are disclosed. The powder has a maximum particle diameter of 100 μm or smaller, a content of 1 μm and smaller particles of lower than 15% by number, and a median diameter of...	10/07/2003
6585881	Process for manufacture and improved manganese dioxide for electrochemical cells A process for manufacture of manganese dioxide comprising subjecting an aqueous bath comprising manganese sulfate (MnSO4) and sulfuric acid (H2 SO4) to electrolysis in a closed cell wherein the electrolysis bath is maintai...	07/01/2003
6527941	High discharge capacity electrolytic manganese dioxide and methods of producing the same The present invention provides improved cathode material comprised of electrolytic manganese dioxide having high discharge capacity at high discharge rates and methods of producing such electrolytic manganese dioxide by electrolysis in an electrolytic cel...	03/04/2003
6517701	Lead, zinc and manganese recovery from aqueous solutions Aqueous solutions containing lead, zinc and manganese are treated to recover these metals by sequential solvent extraction steps. Solvent extractants are selected to extract preferentially lead, then zinc and then manganese in that order. Any interfering ...	02/11/2003
6214198	Method of producing high discharge capacity electrolytic manganese dioxide The present invention provides improved cathode material comprised of electrolytic manganese dioxide having high discharge capacity at high discharge rates and methods of producing such electrolytic manganese dioxide by electrolysis in an electrolytic cel...	04/10/2001
5932086	Process for making manganese Using the electrolytic process to make manganese metal, a source of manganomanganic oxide (Mn3 O4) is used in the sulfuric acid leach solution in conjunction with a reducing agent to convert the manganomanganic oxide into manganese s...	08/03/1999
5866278	Electrolytic manganese dioxide, process for preparing the same, and manganese dry cell An electrolytic manganese dioxide having a composition of MnOx, wherein X is 1.90 to 1.96, an adhesive moisture content of not less than 1.5% by weight as measured according to the procedure specified in JIS, and a content of bound water, eliminative in t...	02/02/1999
5863675	Manganese dioxide for lithium batteries Disclosed is a process for treating manganese dioxide containing ion-exchangeable cations by replacing the ion-exchangeable cations present in the manganese dioxide with lithium by a process comprising first replacing ion-exchangeable cations present in t...	01/26/1999
5746902	Electrolytic manganese dioxide and method of manufacturing the same There is provided manganese dioxide to be suitably used for alkaline manganese batteries and manganese batteries to make them excellent both in the initial performance and the storability. There is also provided a method of manufacturing such manganese di...	05/05/1998
5698176	Manganese dioxide for lithium batteries Disclosed is a process for treating manganese dioxide containing ion-exchangeable cations by replacing the ion-exchangeable cations present in the manganese dioxide with lithium by a process comprising first replacing ion-exchangeable cations present in t...	12/16/1997
5599435	Aqueous electrochemical preparation of insertion compounds and use in non-aqueous rechargeable batteries Insertion compounds that are not stable in pure water can be prepared by an aqueous electrochemical method. The pH of the electrolyte and/or the concentration of ions of the inserted species must be sufficiently high to provide stability for the product c...	02/04/1997
5156933	Method of manufacturing manganese dioxide A method of manufacturing manganese dioxide containing 0.05 to 2.0 parts by weight of phosphorus which consists of introducing a manganese sulfate solution and sulfuric acid as an electrolyte into an electrolytic cell, adding to said electrolyte at least ...	10/20/1992
4997531	Process for manufacturing electrolytic manganese oxide A process for producing electrolytic manganese dioxide comprising the step of suspending carbon fibers in a bath for producing manganese dioxide and electrolyizing said bath to produce electrolytic manganese dioxide....	03/05/1991
4948484	Process for producing improved electrolytic manganese dioxide There is provided a process for improving the alkaline discharge capacity of electrolytic manganese dioxide. The process comprises forming a mixture of electrolytic manganese dioxide, a carbon material and a strong base electrolyte and subjecting the mixt...	08/14/1990
4863817	Nonaqueous electrolyte cell In a nonaqueous electrolyte cell comprising a positive electrode, a negative electrode, and a nonaqueous electrolyte containing an alkali metal ion, an electrolytic manganese dioxide which is prepared by subjecting a manganese dioxide-forming electrolytic...	09/05/1989
4549943	Suspension bath and process for production of electrolytic manganese dioxide A bath for the production of electrolytic manganese dioxide comprising an aqueous solution of a manganous salt and a suspension agent which is an insoluble multivalent element or an insoluble compound of a multivalent metal other than manganese, and havin...	10/29/1985
4405419	Method for producing electrolytic manganese dioxide A method for producing electrolytic manganese dioxide is disclosed, comprising the electrolysis of a slurry of particles of manganese oxides in an aqueous solution of manganese sulfate. The concentration of the particles of manganese oxides is 0.01 to 0.4...	09/20/1983
4170527	Production of electrolytic manganese dioxide In the production of electrolytic manganese dioxide, the anodically-deposited product is removed by cathodically polarizing the electrode, possibly assisted by impact or vibration. Typically, the current is reversed periodically when the deposit is about ...	10/09/1979
3959021	Novel manganese dioxide Manganese dioxide obtained at the cathode by electrolyzing a hydrochloric acid-acidified aqueous manganese chloride solution with a specific current efficiency is high in oxygen content and extremely active as a depolarizer for cells....	05/25/1976

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Class 205/539 - Manganese containing