| Patents for C01G 45 - Compounds of manganese (4,607) |
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| 07/10/1991 | WO1991011032A1 Cathode active materials, methods of making same and electrochemical cells incorporating the same |
| 07/02/1991 | US5028403 Metal recovery with monothiophosphinic acids |
| 06/25/1991 | US5026504 Paste of sodium birnessite, hausmannite, chlorinated aliphatic hydrocarbon with filler, accelarators and diluents |
| 06/19/1991 | CN1052292A Method for extracting mno2 from potassium permangnate waste residue |
| 05/22/1991 | EP0428389A2 Process for producing metal hydroxide sol |
| 05/22/1991 | EP0428387A2 Process for producing powder material for lead perovskite ceramic |
| 05/15/1991 | CN1051335A Prepn. of manganese dioxide |
| 04/30/1991 | US5011672 Oxidation of manganese dioxide in pyrolusite ore and potassium hydroxide with air, water and oxygen |
| 04/17/1991 | EP0422116A1 Process for producing improved electrolytic manganese dioxide |
| 04/16/1991 | US5007480 High density, high strength |
| 04/16/1991 | CA1283031C On-line filtration of potassium permanganate solutions |
| 04/09/1991 | US5006175 High infra red reflecting brown rutile pigment compositions |
| 03/19/1991 | CA1281703C Poly-metal-containing catalyst |
| 03/13/1991 | EP0416993A1 Electrolyte for impregnation of electrolytic capacitors with manganese dioxide and method of making it |
| 02/21/1991 | WO1991002384A1 Battery using manganese vanadate as active positive material |
| 01/29/1991 | CA2022522A1 Lithium manganese oxide |
| 01/16/1991 | CN1011226B Solid-phase oxidation method for preparing potassium manganate |
| 01/15/1991 | US4985216 Reduction roasting of metal ores |
| 01/15/1991 | US4984342 Manganese dioxide |
| 01/02/1991 | EP0404981A1 Process for production for a varistor material |
| 01/02/1991 | CN1048169A Novel solid multi-component membranes, electrochemical reactor and use of membranes and reactor for oxidation reactions |
| 12/25/1990 | US4980251 Method of synthesizing a lithium manganese oxide |
| 12/05/1990 | EP0400311A2 Metal recovery with monothiophosphinic acids |
| 11/28/1990 | EP0399833A1 Novel solid multi-component membranes, electrochemical reactor and use of membranes and reactor for oxidation reactions |
| 11/28/1990 | EP0399035A1 Method of removing arsenic and/or other amphoteric elements from sludge and solid waste materials. |
| 11/06/1990 | US4968656 Cooking surfaces or oven linings |
| 10/09/1990 | US4961919 Monocrystalline material having garnet structure |
| 09/25/1990 | US4959282 Reaction product of lithium compound and manganese dioxide, heat treatment |
| 08/14/1990 | US4948484 Process for producing improved electrolytic manganese dioxide |
| 07/24/1990 | US4943418 Method of preparing high-purity manganese compounds |
| 06/28/1990 | WO1990006820A1 Method of removing arsenic and/or other amphoteric elements from sludge and solid waste materials |
| 06/20/1990 | CN1043113A Industrial manganese sulphate production method by absorption of sulfur dioxide with pyrolusite pulp |
| 06/12/1990 | US4933054 Solid electrolyte with coating on one surface of conductive metal, metal oxide or mixture, second surface coated with metal, metal oxide or mixture |
| 05/09/1990 | EP0366845A1 Method for stabilizing metal ions |
| 05/01/1990 | US4921689 Process for producing beta manganese dioxide |
| 03/21/1990 | CN1040572A Manufacturing method for ceramics and products thereof |
| 03/13/1990 | US4908338 Forming emulsion of solution of precursor of cadmium zinc borate, niobium pentoxide, manganese oxide, bismuth oxide, and surfactant, drying, introducing into ceramic capacitor material |
| 01/16/1990 | US4894185 Buffers to cause precipitation |
| 12/28/1989 | WO1989012915A1 Process for producing improved electrolytic manganese dioxide |
| 12/27/1989 | EP0348083A1 Process for producing beta manganese dioxide |
| 12/27/1989 | CN1038255A Process of manganese sulphate |
| 12/06/1989 | EP0344727A1 Mixed oxide and coating or porous material comprising the same |
| 12/05/1989 | US4885036 For removal of manganese dioxide precipitates from cleaning solution for printed circuit boards |
| 11/23/1989 | EP0342310A1 Composition containing divalent manganese ion and method for preparing the same |
| 11/21/1989 | US4882183 Coating with supersaturated liquid, fluorine additive |
| 10/11/1989 | EP0335934A1 Process for producing pulverulent mixed phases with a catalytic action |
| 09/26/1989 | US4869840 Heat exchangers |
| 08/22/1989 | US4859787 Process for the preparation of dialkyldithiocarbamates of multivalent metals |
| 08/09/1989 | EP0327147A1 Garnet and methods of preparing a garnet |
| 07/27/1989 | WO1989006639A1 Alkaline permanganate etchant regeneration process and apparatus |
| 07/26/1989 | EP0325203A1 Method for making a layer of manganese dioxide of solid electrolyte capacitors |
| 07/26/1989 | CN1034185A Prepn. method of chemically pure manganese dioxide for battery use |
| 07/11/1989 | CA1257072A1 Synthesis process of vanadium oxide |
| 06/28/1989 | CN1033518A Solid-phase oxidation method for preparing potassium manganate |
| 06/20/1989 | US4840925 Compositions of transition metal manganites in the form of particles or ceramics, their preparation and their use in the production of thermistors |
| 06/13/1989 | US4839327 Method for the production of ultra-fine gold particles immobilized on a metal oxide |
| 06/06/1989 | US4837193 Containing group 8 and group 6b oxides |
| 05/24/1989 | EP0317319A2 Amorphous oxide magnetic material |
| 05/24/1989 | CN1033039A Extraction method of cobalt (manganese) acetate |
| 05/09/1989 | US4828834 Rechargeable organic electrolyte cell |
| 05/03/1989 | CN1004072B Method of preparing manganese dioxide from pyrolusite and its oxidation reaction device |
| 04/27/1989 | DE3731899A1 Process for separating off nitrogen oxides from exhaust gases of furnaces |
| 04/20/1989 | WO1989003244A1 Process for producing pulverulent mixed phases with a catalytic action |
| 04/19/1989 | CN1032466A Superconducting material and method of manufacturing same |
| 04/11/1989 | US4820669 Ammonium hydroxide causes precipitation of hydroxides of lead, titanium, zirconium; purification, calcining |
| 04/05/1989 | CN1032260A Method of manufacturing superconductors and products |
| 04/04/1989 | US4818503 Extraction process for removing and recovering metals from aqueous solutions |
| 03/29/1989 | EP0309323A1 Process of manufacturing superconductors and therewith obtained products |
| 03/29/1989 | EP0309322A1 Superconducting materials and process of manufacturing |
| 03/28/1989 | US4816243 Hydrazine reducing agents |
| 03/28/1989 | US4816235 Silver and manganese recovery using acidified thiourea |
| 03/15/1989 | EP0306973A2 Manufacturing method for superconducting ceramics and products thereof |
| 03/14/1989 | US4812302 Process for preparing high purity Mn3 O4 |
| 03/14/1989 | US4812300 Mixed metal oxides |
| 02/14/1989 | US4805059 Rock salt type crystalline structure |
| 02/14/1989 | CA1249924A1 Air electrode material for high temperature electrochemical cells |
| 01/31/1989 | CA1249570A1 Hydrotreating catalyst and process of manufacture |
| 12/27/1988 | US4793979 Process for chemical separation of phosphorus ore |
| 11/15/1988 | CA1244626A1 Method for producing metal sulfide and the product produced therefrom |
| 11/08/1988 | US4783267 Method for stabilizing metal ions |
| 11/08/1988 | CA1244246A1 Extraction process for removing and recovering metals from aqueous solutions |
| 11/02/1988 | EP0288819A1 Process for the preparation of dialkyldithiocarbamates of polyvalent metals |
| 11/02/1988 | EP0288638A1 Method for flocculating suspensions containing swelled layered chalcogenide |
| 11/01/1988 | CA1243975A1 Fixed or moving bed catalytic process for hydroconversion of heavy hydrocarbons with injection of metal compositions in the feedstock |
| 10/11/1988 | US4777028 Process for freeing mineral acids from heavy metals |
| 09/20/1988 | US4772754 Process for the isolation of p-hydroxybenzaldehyde |
| 08/09/1988 | US4762961 Preparation of vanadium III oxidic compounds and dehydrogenation of paraffins |
| 08/09/1988 | US4762694 Molten salt extraction process for the recovery of valued transition metals from land-based and deep-sea minerals |
| 06/29/1988 | EP0272964A1 Manufacturing process of zinc oxide-doped powders by coprecipitation |
| 06/07/1988 | US4749664 Emulsion-char method for making fine ceramic powders |
| 06/01/1988 | CN86101482B Method and equipment for prepn. of electrically active manganese dioxide powder from psilomelane |
| 05/31/1988 | US4748278 Process for the isolation of p-hydroxybenzaldehyde |
| 04/20/1988 | EP0140973B1 Air cell electrode and process for preparing its catalyst |
| 04/12/1988 | US4737355 Preparation of vanadium III oxidic compounds, and dehydrogenation of paraffins |
| 03/31/1988 | DE3632660A1 Integrated process for preparing oxidants (oxidizing agents) containing manganese and/or zinc compounds |
| 03/01/1988 | US4728439 Ion exchange |
| 02/09/1988 | US4724132 Cross-pipe reactor to provide extreme mixing and agitation |
| 02/04/1988 | DE3625581A1 Process for the purification of aqueous sulphosuccinic acid which contains maleic or fumaric acid |
| 01/14/1988 | DE3630006C1 Method of fabricating tantalum electrolytic capacitors |
| 01/12/1988 | US4718996 Recovery of tungsten, scandium, iron, and manganese values from tungsten bearing material |