| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 1 | 研磨方法 | CN200680048683.1 | 2006-12-19 | CN101346311A | 2009-01-14 | 马克·泰森; 马克西姆·弗兰克 |
| 用于对选自碳酸钠、碳酸氢钠和倍半碳酸钠或天然碱的物质进行研磨的方法，其中为了获得平均直径小于100μm的粉末并为了抑制研磨机中积垢的形成，将清洁剂引入研磨机中。 | ||||||
| 2 | 具有超常可流动性的碱金属碳酸氢盐颗粒 | CN201580076641.8 | 2015-12-22 | CN107250044A | 2017-10-13 | D.J.L.萨瓦里 |
| 本发明产生包含碱金属碳酸氢盐颗粒和作为添加剂的氨基酸的粉末组合物。本发明还涉及一种用于通过喷雾干燥包含按重量计1％‑10％的碱金属碳酸氢盐和作为添加剂的氨基酸的水溶液来制备碱金属碳酸氢盐颗粒的方法。本发明此外涉及一种通过在作为添加剂的氨基酸的存在下共研磨该碱金属碳酸氢盐来制备碱金属碳酸氢盐颗粒的方法。 | ||||||
| 3 | 不团聚的碳酸钾超微粉的制备方法 | CN201510787036.3 | 2015-11-16 | CN105399114A | 2016-03-16 | 王国平; 徐旭辉; 兰金林; 周转忠; 石琢; 鲁高明; 马建明; 任海河; 庄爱云 |
| 本发明公开了一种不团聚的碳酸钾超微粉的制备方法，包括以下步骤：往煅烧后带有余温的碳酸钾中加入液体防结块添加剂，均匀混合；将所得的碳酸钾混合物进行粉碎，收集粒径≤100微米的，将所得的碳酸钾超微粉Ⅰ移入中转容器中，自然冷却至室温，向冷却后的碳酸钾超微粉Ⅱ中加入固体防结块剂，并进行二次搅拌混合；将所得的二次混合后的碳酸钾超微粉Ⅲ通过分级，收集粒径≤100微米的，为不团聚碳酸钾超微粉。本发明所得的不团聚碳酸钾超微粉，可用于除草剂麦草畏和精喹禾灵、抗精神病药阿立哌唑关键中间体2,3-二氯苯甲哌嗪的合成等。 | ||||||
| 4 | 研磨方法 | CN201410141668.8 | 2006-12-19 | CN103922367A | 2014-07-16 | 马克·泰森; 马克西姆·弗兰克 |
| 本发明涉及研磨方法，尤其是用于对选自碳酸钠、碳酸氢钠和倍半碳酸钠或天然碱的物质进行研磨的方法，其中为了获得平均直径小于100μm的粉末并为了抑制研磨机中积垢的形成，将清洁剂引入研磨机中。本发明还涉及用于净化被挥发性酸性化合物污染的烟道气的方法，其中对选自碳酸钠、碳酸氢钠和倍半碳酸钠或天然碱的反应物实施研磨操作以便将其减小到平均直径小于50μm的粉末状态，并且将所述粉末注入所述烟道气中。 | ||||||
| 5 | Process for producing sodium hydrogencarbonate crystal particles having low caking property | US11616296 | 2006-12-27 | US08236268B2 | 2012-08-07 | Hachirou Hirano; Shintaro Kikuchi; Fumiaki Nakashima; Hisakazu Arima; Shigeru Sakurai |
| A process for producing sodium hydrogencarbonate crystal particles having a low caking property, which entails subjecting sodium hydrogencarbonate crystal particles having an average particle size of from 50 to 500 μm based on the mass to heat treatment at a temperature of from 70 to 95° C. by a heating gas having a carbon dioxide gas concentration of at most the concentration calculated by the formula: Carbon dioxide gas concentration=0.071×e(0.1×T)×R(−0.0005×T−0.9574), where T (° C.) is the temperature of sodium hydrogencarbonate crystals, and R (%) is the relative humidity around the crystals at the temperature of the crystals, provided that the upper limit of the carbon dioxide gas concentration is 100 vol % to form anhydrous sodium carbonate on the surface of the sodium hydrogencarbonate crystal particles with a content of anhydrous sodium carbonate of from 0.03 to 0.4 mass % in the sodium hydrogencarbonate crystals. | ||||||
| 6 | Sodium hydrogencarbonate crystal particles having low caking property and process for producing them | US11619411 | 2007-01-03 | US07485369B2 | 2009-02-03 | Hachirou Hirano |
| Sodium hydrogencarbonate crystal particles, which comprise sodium hydrogencarbonate crystal particles having an average particle size of from 50 to 500 μm based on the mass, and anhydrous sodium carbonate, and sodium carbonate monohydrate and/or Wegscheider's salt, present on the surface of the sodium hydrogencarbonate crystal particles in such amounts that the total content of anhydrous sodium carbonate, sodium carbonate monohydrate, Wegscheider's salt and sodium sesquicarbonate in the sodium hydrogencarbonate crystal particles is from 0.04 to 1 mass % as calculated as anhydrous sodium carbonate, anhydrous sodium carbonate accounts for at least 40 mass % of the total content, and sodium carbonate monohydrate and/or Wegscheider's salt accounts for from 5 to 60 mass % of the total content. Sodium hydrogencarbonate crystal particles having a low caking property, which are useful in the field of food products, pharmaceuticals, bath additives, etc., which require no necessity to contain an anticaking agent, a process for producing them and a method for packaging them, can be provided. | ||||||
| 7 | SODIUM HYDROGENCARBONATE CRYSTAL PARTICLES HAVING LOW CAKING PROPERTY AND PROCESS FOR PRODUCING THEM | US11619411 | 2007-01-03 | US20070104635A1 | 2007-05-10 | Hachirou Hirano; Takako Hirano; Shintaro Kikuchi; Fumiaki Nakashima; Hisakazu Arima; Shigeru Sakurai |
| Sodium hydrogencarbonate crystal particles, which comprise sodium hydrogencarbonate crystal particles having an average particle size of from 50 to 500 μm based on the mass, and anhydrous sodium carbonate, and sodium carbonate monohydrate and/or Wegscheider's salt, present on the surface of the sodium hydrogencarbonate crystal particles in such amounts that the total content of anhydrous sodium carbonate, sodium carbonate monohydrate, Wegscheider's salt and sodium sesquicarbonate in the sodium hydrogencarbonate crystal particles is from 0.04 to 1 mass % as calculated as anhydrous sodium carbonate, anhydrous sodium carbonate accounts for at least 40 mass % of the total content, and sodium carbonate monohydrate and/or Wegscheider's salt accounts for from 5 to 60 mass % of the total content. Sodium hydrogencarbonate crystal particles having a low caking property, which are useful in the field of food products, pharmaceuticals, bath additives, etc., which require no necessity to contain an anticaking agent, a process for producing them and a method for packaging them, can be provided. | ||||||
| 8 | Method for producing sodium hyrogencarbonate crystal particles having a low caking property, and sodium hydrogencarbonate crystal particles | US10397174 | 2003-03-27 | US20030211027A1 | 2003-11-13 | Kouichi Yokoyama; Sadaji Narituka; Kiyoshi Yamamoto; Hachiro Hirano |
| A method for producing sodium hydrogencarbonate crystal particles having a low caking property, which comprises lowering the potassium concentration in sodium hydrogencarbonate crystal particles having a mean particle diameter of from 50 to 500 nullm to a level of at most 50 mass ppm. | ||||||
| 9 | Preventing potassium bicarbonate from caking | US270604 | 1994-07-05 | US5441669A | 1995-08-15 | Karl W. Seper; Robert L. Zeller, III; Russell J. Morgan |
| Disclosed is a method of preventing potassium bicarbonate from caking. Anhydrous potassium carbonate is dispersed throughout the potassium bicarbonate immediately after it is manufactured. Preferably, about 0.1 to about 2.5 wt % of the anhydrous potassium carbonate is used. Also disclosed is a composition made by that method. | ||||||
| 10 | Pelletizing alkali metal polysilicates | US500830 | 1974-08-26 | US3971631A | 1976-07-27 | Guillermo Almagro; Orlando L. Bertorelli; Robert K. Mays; Lloyd E. Williams; Howard F. Zimmerman, Jr. |
| A method for producing alkali metal polysilicates is disclosed. Polysilicates, produced by hydrothermally reacting an aqueous dispersion of finely-divided silica and an alkali metal hydroxide are spray dried and the solid product is fractured and pulverized. The fractured mass is then pelletized employing the solubility of the polysilicates to form a free-flowing product having a continuous, even surface. Pelletization may be effected with or without the use of water and/or binders. | ||||||
| 11 | Milling process | US13025608 | 2011-02-11 | US20110135553A1 | 2011-06-09 | Marc THIJSSEN; Maxime FRANC |
| Process for milling a substance selected from the group consisting of sodium carbonate, sodium bicarbonate, sodium sesquicarbonate, and trona, in which the substance is milled with a cleaning agent in a mill for the purpose of obtaining a powder with a mean diameter of less than 100 μm and of inhibiting the formation of incrustations in the mill. In a process for scrubbing a flue gas contaminated by a volatile acid compound, the powder is injected in the flue gas. | ||||||
| 12 | Milling Process | US12158258 | 2006-12-19 | US20080265069A1 | 2008-10-30 | Marc Thijssen; Franc Maxime |
| Process for milling a substance selected from sodium carbonate, sodium bicarbonate and sodium sesquicarbonate or trona, in which a cleaning agent is introduced into a mill for the purpose of obtaining a powder with a mean diameter of less than 100 μm and of inhibiting the formation of incrustations in the mill. | ||||||
| 13 | Sodium hydrogencarbonate crystal particles | US10397174 | 2003-03-27 | US07361318B2 | 2008-04-22 | Kouichi Yokoyama; Sadaji Narituka; Kiyoshi Yamamoto; Hachiro Hirano |
| A method for producing sodium hydrogencarbonate crystal particles having a low caking property, which comprises lowering the potassium concentration in sodium hydrogencarbonate crystal particles having a mean particle diameter of from 50 to 500 μm to a level of at most 50 mass ppm. | ||||||
| 14 | PROCESS FOR PRODUCING SODIUM HYDROGENCARBONATE CRYSTAL PARTICLES HAVING LOW CAKING PROPERTY | US11616296 | 2006-12-27 | US20070178037A1 | 2007-08-02 | Hachirou Hirano; Takako Hirano; Shintaro Kikuchi; Fumiaki Nakashima; Hisakazu Arima; Shigeru Sakurai |
| A process for producing sodium hydrogencarbonate crystals, which comprise subjecting sodium hydrogencarbonate crystal powder having an average particle size of from 50 to 500 μm based on the mass to heat treatment at a temperature of from 70 to 95° C. by a heating gas having a carbon dioxide gas concentration of at most the concentration calculated by the following formula (1): Carbon dioxide gas concentration=0.07l×e(0.1×T)×R(−0.0005×T−0.9574) (1) (wherein T is the temperature (%) of sodium hydrogencarbonate crystals, and R is the relative humidity (%), provided that the upper limit of the carbon dioxide gas concentration is 100 vol %) with reference to the graph of FIG. 1 wherein the horizontal axis (X-axis) represents the relative humidity and the vertical axis (Y-axis) represents the carbon dioxide gas concentration, to form anhydrous sodium carbonate on the surface of the sodium hydrogencarbonate crystal particles with a content of anhydrous sodium carbonate of from 0.03 to 0.40 mass % in the sodium hydrogencarbonate crystals. A process for producing sodium hydrogencarbonate crystal particles having a low caking property, which are useful in the field of food products, pharmaceuticals, bath additives, etc., which require no necessity to contain an anticaking agent, can be provided. | ||||||
| 15 | Free-flowing alkali metal bicarbonate powder | US203266 | 1994-02-28 | US5422087A | 1995-06-06 | M. Stephen Lajoie |
| This invention provides a free-flowing alkali metal bicarbonate composition, which has a content of an acidic inorganic compound such as boron oxide (B.sub.2 O.sub.3) or phosphorus pentoxide (P.sub.2 O.sub.5). The acidic inorganic compound reacts with the residual hygroscopic alkali metal carbonate content of the bulk alkali metal bicarbonate powder to form alkali metal bicarbonate. | ||||||
| 16 | Installation and process for the crystallization of an inorganic substance and process and installation for the crystallization of sodium carbonate monohydrate | US29423 | 1993-03-09 | US5396863A | 1995-03-14 | Leon Ninane; Claude Breton |
| Installation for the crystallization of an inorganic substance in a crystal slurry, by desupersaturation of a supersaturated solution, the installation comprising a crystallization chamber which has a vertical axis and is divided into a central zone (4) and an annular zone (5), a device (9, 10) designed to bring about a vertical translation of the slurry in the central zone (4) and a translation in the opposite direction in the annular zone (5), a device (8) for withdrawing slurry, comprising a tube (23, 24) which opens into one of the abovementioned zones, a member (14) for mechanical shearing of the slurry, comprising, a disc (17) carrying a ring of shearing teeth (19), and a tube (6, 31) passing through the cover (30) and serving to introduce anhydrous sodium carbonate, the tube (31) having a prolongation inside the crystallization chamber, over which prolongation a film of water is caused to circulate. | ||||||
| 17 | Process for treating alkali metal carbonates | US79625759 | 1959-03-02 | US2948967A | 1960-08-16 | MYERS CLYDE B |
| 18 | Process for producing soda containing water of crystallization or mixtures thereof with other substances | US39507620 | 1920-07-09 | US1488964A | 1924-04-01 | ADOLF WELTER |
| 19 | ALKALI METAL BICARBONATE PARTICLES WITH EXCEPTIONAL FLOWABILITY | US15538769 | 2015-12-22 | US20170355608A1 | 2017-12-14 | David Jean Lucien SAVARY |
| Powder composition comprising alkali metal bicarbonate particles and an amino acid as additive. A process for preparing alkali metal bicarbonate particles by spray-drying of an aqueous solution comprising 1-10% by weight of alkali metal bicarbonate and an amino acid as additive. A process for preparing alkali metal bicarbonate particles by co-grinding the alkali metal bicarbonate in the presence of an amino acid as additive. | ||||||
| 20 | Method for evaluating caking property of sodium hydrogencarbonate crystal particles | US11619286 | 2007-01-03 | US08420403B2 | 2013-04-16 | Hachirou Hirano; Shintaro Kikuchi; Fumiaki Nakashima; Hisakazu Arima; Shigeru Sakurai |
| A method for evaluating the caking property of sodium hydrogencarbonate crystal particles, characterized in that sodium hydrogencarbonate crystal particles are hermetically sealed in a packaging material having a water vapor transmission rate of at least 3 g/(m2·24 h) (at 40° C. with a relative humidity difference of 90%) as stipulated in JIS K7129 and left at rest at a temperature of from 17 to 35° C. at a carbon dioxide gas concentration of from 0.03 to 0.05 vol % at a relative humidity of from 40 to 95% for from 2 weeks to 3 months, and the proportion of agglomerated sodium hydrogencarbonate crystal particles is determined to evaluate the caking tendency. A novel test method for evaluating the caking property of sodium hydrogencarbonate crystal particles, capable of providing results of the caking property test with high reproducibility, quantitatively with high versatility, can be provided. | ||||||
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