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| Number | Title | Issue Date |
| 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 |
| 6214194 | Process of manufacturing layers of oxygen ion conducting oxides The electrochemical formation of oxygen ion conducting solid oxide layers is achieved by the cathodic deposition of the oxide layers from a melted salt bath of alkali element halides containing dissolved metal halides which provide the metal cations from ... | 04/10/2001 |
| 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 |
| 5989634 | Process of manufacturing solid oxygen ion conducting oxide layers Electrochemical vapor deposition (EVD) of oxygen ion conducting and mixed conducting, oxygen-ionic/electronic, oxide layers is achieved at near atmospheric pressure process conditions by employing metals and metal compounds for removal and/or recovery of ... | 11/23/1999 |
| 5352339 | Method for producing electrolytic manganese dioxide A method of producing electrolytic manganese dioxide by electrolyzing an electrolyte containing sulfonated carbon particles preferably in an amount of 0.1 to 1.0 gram per liter of the electrolyte.... | 10/04/1994 |
| 4818354 | Process for the preparation electrolytic manganese dioxide The present invention relates to a method for the preparation of electrolytic manganese dioxide in which flocculent nuclei of a manganese oxide hydrate is dispersed in the electrolyte.... | 04/04/1989 |
| 4295942 | Process for preparing manganese oxide The invention comprises an anode with a core of valve metal for the anodic separation of solid substances. The working surface of the anode having an electrically conductive, corrosion-resistant, mechanically solid coating, which impedes the passivation o... | 10/20/1981 |
| 4189357 | Method of treating a substrate material to form an electrode The present invention relates to an improved method of treating a substrate material selected from the group consisting of titanium, tantalum, zirconium, niobium, hafnium and their alloys to form an electrode. Broadly, the improved method comprises anodic... | 02/19/1980 |
| 4140617 | Anode for producing electrolytic manganese dioxide The proposed anode for producing electrolytic manganese dioxide is made of titanium, and its surface is provided with a coating to prevent passivation of the anode. On the anode surface there are provided hollows whose total surface area is not less than ... | 02/20/1979 |
| 4083757 | Electrochemical process for producing manganese dioxide An electrochemical process for producing manganese dioxide by electrolysis of a solution of manganese sulphate containing 100 to 150 g/l of manganese sulphate and 20 to 30 g/l of sulphuric acid and having a temperature of from 90° to 95° C at an anodic ... | 04/11/1978 |
| 4069116 | Electrochemical process for producing manganese dioxide Disclosure is made of an electrochemical process for producing manganese dioxide by electrolyzing a solution containing 100 to 200 g/l of manganese sulphate and 20 to 100 g/l of sulphuric acid. The temperature of the solution is 90° to 98° C, and the an... | 01/17/1978 |
| 3951765 | Production of electrolytic battery active manganese dioxide This process concerns the direct electroconversion of low grade manganese ores to high purity manganese dioxide product, which, among other applications, is ideally suited for use in dry cells. The process operating conditions are controlled such that imp... | 04/20/1976 |
