| Patents for C01D 7 - Carbonates of sodium, potassium, or alkali metals in general (1,753) |
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| 09/20/1994 | US5348695 Process for the preparation of salt granulates |
| 09/20/1994 | US5348689 Molten salt destruction of alkali and alkaline earth metals |
| 09/15/1994 | WO1994020675A1 Zero discharge mill distillation, salt recovery, and water management |
| 09/15/1994 | CA2155439A1 Zero discharge mill distillation, salt recovery, and water management |
| 09/14/1994 | EP0614446A1 Production of alkali metal carbonates. |
| 09/07/1994 | EP0463121B1 Process for removing coatings from sensitive substrates, and blasting media useful therein |
| 09/01/1994 | WO1994019100A1 Alkali metal dispersions |
| 09/01/1994 | DE4305802A1 Process for the production of soda |
| 08/31/1994 | CN1091395A Method for processing sodium carbonate with mirabilite |
| 08/18/1994 | WO1994018360A1 Process for recovering solid sodium bicarbonate from diaphragm cell |
| 08/18/1994 | CA2117776A1 Process for recovering solid sodium bicarbonate from diaphragm cell |
| 08/04/1994 | WO1994016831A1 Water soluble blast media containing surfactant |
| 08/03/1994 | CN1025554C Sodium bicarbonate and process for the crystallization of sodium bicarbonate |
| 07/13/1994 | CN1089235A Single-phase decomposition process for preparing sodium bicarbonate with sodium sulfate and ammonium bicarbonate |
| 07/12/1994 | US5328721 Stable in laundry detergent formulation and which readily releases its active oxygen in use |
| 07/07/1994 | WO1994014705A1 Process and apparatus for drying and calcining sodium bicarbonate |
| 07/06/1994 | CN1088889A Production of high-purity ammonium chloride |
| 07/05/1994 | US5325606 Process and apparatus for drying and calcining sodium bicarbonate |
| 06/09/1994 | DE4308610C1 Calcined, hydrated potash prodn. - with dust recycling by mixing with initial centrifuged salt |
| 06/08/1994 | EP0599917A1 Production of alkali metal hydroxide and regeneration of pulp liquors |
| 05/31/1994 | US5316587 Water soluble blast media containing surfactant |
| 05/25/1994 | CN1087063A Process for combination producing of magnesium base |
| 05/11/1994 | EP0596331A1 Conversion of a liquid alkali metal into an alkali carbonate |
| 04/28/1994 | WO1994009204A1 Process for dividing the sulphide content of the green liquor for the production of white liquors having high and low sulphidity respectively |
| 04/28/1994 | CA2146655A1 Process for dividing the sulphide content of the green liquor for the production of white liquors having high and low sulphidity |
| 04/27/1994 | CN1024364C Method for treatment of tail waste of insoluble sodium carbonate stone underground |
| 04/12/1994 | US5302246 Method of managing liquid steams in a pulp mill |
| 04/05/1994 | US5300123 Method of reforming soluble salts to effect purification and increase crystal size thereof |
| 03/02/1994 | CN1083022A Dewatering agent for sodium carbonate, process thereof and usage |
| 03/01/1994 | US5290322 Process for the crystallization of sodium bicarbonate |
| 02/22/1994 | US5288472 Process for the recovery of the sodium hydroxide and sodium chloride from the effluent of a diaphragm cell as solid sodium bicarbonate |
| 02/17/1994 | WO1994003283A1 Process for manufacturing and coating sodium carbonate perhydrate to be stable in detergent formulations |
| 02/17/1994 | CA2141453A1 Process for manufacturing and coating sodium carbonate perhydrate to be stable in detergent formulations |
| 02/03/1994 | WO1994002263A1 Treatment of solid material |
| 02/01/1994 | US5283054 Process for producing sodium salts from brines of sodium ores |
| 01/04/1994 | US5275794 Process for producing sodium bicarbonate from natural soda salts |
| 12/14/1993 | US5270023 From crude ores |
| 12/08/1993 | CN1079250A An assitant containing silicate and a kind of inorganic product as base |
| 11/16/1993 | US5262134 Process for producing sodium salts from brines of sodium ores |
| 10/14/1993 | DE4212038A1 Carbon di:oxide absorption from lime burning gas in ammonia soda process - using separate scrubber, pref. hot potash scrubber, instead of ammoniacal sodium chloride soln. to reduce atmos. pollution with ammonia |
| 10/13/1993 | EP0217928B1 Method for the preparation of a bicarbonate sorbent in flue gas desulfurization |
| 09/29/1993 | EP0562665A2 Installation and process for the crystallisation of a mineral and installation and process for the crystallisation of sodium carbonate monohydrate |
| 09/22/1993 | EP0561656A1 Builder based on silicate and a mineral product |
| 09/22/1993 | CN1076425A Active sodium bicarbonate and manufacturing method thereof |
| 09/21/1993 | CA2092060A1 Silicate and mineral substance based building up agent |
| 09/15/1993 | CN1076174A Method of preparing of sodium salt from water containing sodium mineral |
| 09/08/1993 | CN1075935A Method for preparing sodium bicarbonate |
| 08/25/1993 | CN1021892C Process for removing coatings from sensitive substrates and blasting media useful therein |
| 08/24/1993 | US5238664 Slurrying insoluble tailings with water or waste solutions of sodium carbonate and/or bicarbonate, adding alkali or alkaline earth metal hydroxide, pumping into well connected to mine cavity, dispersing, settling, recovering enriched liquor |
| 08/19/1993 | WO1993016003A1 Process for the treatment of red mud |
| 07/14/1993 | CN1074194A Process for production of nitre |
| 06/30/1993 | CN1073662A Production of alkali metal carbonates |
| 06/29/1993 | US5223271 Lithium treatment |
| 06/10/1993 | WO1993011071A1 Production of alkali metal carbonates |
| 06/10/1993 | WO1993011070A1 Dry carbonation of trona |
| 06/10/1993 | CA2117294A1 Production of alkali metal carbonates |
| 06/08/1993 | US5217719 Surface-treated sodium bicarbonate particle and molded preparation thereof |
| 05/19/1993 | EP0542351A1 Process for the preparation of salt granulates |
| 05/18/1993 | US5211002 Process and an equipment for the recovery of energy and chemicals in a sulphate process |
| 05/05/1993 | EP0540072A1 Process for the dissociation of material containing potassium sulphate and sodium sulphate |
| 05/05/1993 | CN1071645A Ferrous solution preparation and regeneration by iron rust adsorption of pure alkali |
| 05/05/1993 | CN1071644A Soda ash production |
| 04/28/1993 | EP0538576A1 Process for recovery of chemicals from the pulping liquor |
| 03/30/1993 | US5198145 Dry detergent compositions |
| 03/09/1993 | US5192164 Soda ash production |
| 03/04/1993 | WO1993004000A1 Production of sodium hydroxide |
| 01/13/1993 | CN1067866A Making method jof soda powder |
| 12/23/1992 | WO1992022500A1 Improved process for curing bicarbonates |
| 12/16/1992 | CN1067028A Pressurized boiling process for preparing lithium carbonate with lithium mica ore and mixed base |
| 12/02/1992 | CN1019290B Process for preparation of aqueous solution of sodium chloride |
| 11/03/1992 | US5160547 Sodium bicarbonate, hydrophobic silica |
| 10/13/1992 | CA1308822C Selective removal of nitrate ions from salt solutions |
| 10/07/1992 | EP0463121A4 Process for removing coatings from sensitive substrates, and blasting media useful therein |
| 09/16/1992 | CN1064459A Method for comprehensive utilization of sodium sulfate containing chromium |
| 09/10/1992 | DE4102685A1 Biological purificn. of waste water |
| 09/09/1992 | CN1064228A Rotary ion exchanging device |
| 09/02/1992 | CN1064118A Process and equipment for recovery of energy and chemicals in sulphate process |
| 08/19/1992 | CN1063664A Process for washing heavy sodium hydrate filter cake |
| 08/15/1992 | CA2061108A1 Process and an equipment for the recovery of energy and chemicals in a sulphate process |
| 06/25/1992 | DE4041321A1 Prepn. of sodium carbonate with low bulk wt. - by feeding aq. compsn. to atomiser disc of centrifugal spray drier |
| 06/10/1992 | CN1061761A Method for prodn. of sodium bicarbonate |
| 06/10/1992 | CN1061760A Process for decomposition of aqueous ammonium chloride solution and process for production of sodium carbonate |
| 06/03/1992 | CN1016865B Producing method of sodium carbonate |
| 05/13/1992 | CN1016600B Method of producting active sodium caurbonate |
| 05/12/1992 | US5112592 Process for curing bicarbonates |
| 05/06/1992 | EP0484112A2 Use of lithium in the treatment or prophylaxis of Molluscum contagiosum |
| 05/01/1992 | CA2052246A1 Lithium treatment |
| 04/29/1992 | CN1060638A Producing process of soda ash |
| 04/28/1992 | US5108726 Compacts of spray dried water soluble compounds |
| 04/22/1992 | CN1060449A Sode ash production |
| 04/21/1992 | US5106605 Color restored radiation discolored salt compositons and methods for color restoration |
| 04/01/1992 | CN1059883A Process and apparatus for preparing sodium bicarbonate |
| 03/17/1992 | US5096597 Surfactants in dewatering sodium bicarbonate |
| 02/20/1992 | WO1992002455A1 Process for obtaining of sodium and potassium bicarbonates by dry route |
| 01/08/1992 | CN1057628A Production process of soda ash |
| 01/02/1992 | EP0463121A1 Process for removing coatings from sensitive substrates, and blasting media useful therein. |
| 11/27/1991 | CN1014865B Process for extraction of organic liquid containing nitrogenous organic base from aqueous slurry of particles of inorganic material |
| 10/22/1991 | US5059407 Liquid carbon dioxide injection in exothermic chemical reactions |
| 10/16/1991 | CN1055346A Liquid carbon dioxide injection in exothermic chemical reactions |
| 10/03/1991 | WO1991014653A1 Liquid carbon dioxide injection in exothermic chemical reactions |