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Process of making an aqueous calcium carbonate suspension,

Apr 09, 2002 · The present invention has found that the selective order of addition and mixing of the essential components herein provides the stable pH of this suspension and further provides for the formation of a higher concentrated suspension of calciumUS7670500B2 - Reaction product of polyamine, acyclic,,The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.US Patent for Surface-reacted calcium carbonate and its,,The present invention relates to a process for the purification of water, wherein a surface-reacted natural calcium carbonate is brought into contact with the water to be purified, the surface-reacted natural calcium carbonate being the reaction product of a natural calcium carbonate with an acid and carbon dioxide, which is formed in situ by the acid treatment and/or supplied externally.

PRODUCTION OF PRECIPITATED CALCIUM CARBONATE

Sep 27, 2018 · The present invention relates to the use of a cationic polymer in a method for producing precipitated calcium carbonate, said cationic polymer being optionally used in combination with at least one slaking additive.WO2013129486A1 - Method for producing glycerol carbonate,,The present invention 7, the amount of vinyl acrylate compounds, with respect to glycerine carbonate 1 mol and 1.0 to 60 mol, a method for the preparation of any of glycerol carbonate acrylate compound of the present invention 1-6.US Patent for Method of manufacturing polyalkylene,,The present invention relates to a method of manufacturing polyalkylene carbonate.

Process For Production Of Nickel Carbonate (Vale S/a)

Title: Process for production of nickel carbonate. Abstract: Aspects of the present invention refers to a process for production of nickel carbonate including preparing a magnesium salt solution, contacting the solution with a stream of gaseous CO2, keeping pH between 4 and 10 and temperature,Propylene carbonate based cleaning compositions - patents,Accordingly, the present invention provides for propylene carbonate based cleaning compositions. The compositions comprise propylene carbonate, a glycol ether, water, and an acid activator. The compositions may optionally also comprise hydrogen peroxide.Generic Fosrenol Availability - Drugs,The present invention includes an oral pharmaceutical capsule comprising a shell, lanthanum carbonate or lanthanum carbonate hydrate, and a lubricant such as talc, wherein the shell encapsulates the lanthanum carbonate or its hydrate and the lubricant. Capsule shells comprise, for example, gelatin.

photos relating production process of calcium carbonate

The present invention is a manufacturing method of an aqueous suspension of precipitated calcium carbonate, water, calcium-containing material oxide, 200 from 6500 g Get Price mineral processing of calcite - refloresta-bahia.orgLithium Carbonate-related patent applications,A lithium powder includes: a core of metallic lithium; and a coating layer coating a surface of at least a part of the core. The coating layer contains lithium carbonate including a surface in at least a part of which lithium oxide is present.PROCESS FOR THE PREPARATION OF LANTHANUM CARBONATE,,Present invention relates to a process for the preparation and pharmaceutical usage of dihydrate form of lanthanum carbonate. Present process produces lanthanum carbonate dihydrate (La2(CO3)3.2H2O) free of lanthanum hydroxycarbonate and is stable at ambient condition.

Oral Care Compositions Comprising Calcium Carbonate And,

The present invention provides oral care compositions comprising, by total weight of the composition: (a) 15 to 35 weight % calcium carbonate; and (b) 5 to 25 weight % talc. In one aspect, the total concentration of talc and calcium carbonate in the composition is greater than 35 weight %.present invention patent - Good News Bible College & Seminary,Present Invention Carbonate - nurseshome Patent US20130164206 - Calcium carbonate having a The present invention relates to a calcium carbonateUSOO638.04.19B2 (12) United States Patent (10) Patent No,,invention, the present invention also provides the above mentioned process for Simultaneously producing ethylene glycol and a carbonate ester wherein the hydroxyl group containing compound is a monohydric or dihydric alcohol, especially methanol. According to Still another aspect of the present invention, the present invention provides the,

(54) Method for preparation of complex fertilizers

To realize the objective according to the present invention, a portion of ammonium carbonate is replaced with potassium carbonate in the process of the calcium nitrate conversion, which results in obtaining a mixed solution that contains potassium and ammonium nitrate.Calcium Carbonate Granulation (Delavau L.l.c.),In another aspect of the invention, granulated compositions comprising a first calcium carbonate composition having a median particle diameter from about 10 to about 25 μm; a second calcium carbonate composition having a median particle diameter from about 1 to about 10 μm; and a third calcium carbonate composition having a median particle diameter from about 0.1 to about 1 μm areHow to make gunpowder in the wild (all it takes is,,[0010] The present invention: (I) object of the present invention is to overcome the shortcomings of the prior art and to provide a ammonium nitrate and potassium chloride as raw materials prepared by the metathesis process of removing nitrate liquor impurities, Avoid liquor impurity accumulation approach.

Calcium Carbonate-related patent applications

Methods including precipitated and mined calcium carbonate lost circulation materials for use in subterranean formation operations. The precipitated calcium carbonate lost circulation materials are formed under a chosen set of precipitation conditions, including in situ in a subterranean formation.US8431415.pdf - docs.google,region in the present invention is a buffer other than a carbon ate-based buffer. The carbonate-based buffer mentioned here represents a buffer based on a carbonate, and examples of the carbonate-based buffer include sodium carbonate-sodium bicarbonate buffer, potassium carbonate-potassium bicar bonate buffer and the like.NADH Patent | Carbonate | Ph - Scribd - Read books,,Patent 4.S. Gerhardt et al.g. in particular. Detailed Description Of The Invention 55 The present aqueous NADH solution is selected for long term stability. 1 . the aqueous solution having a pH of about 9. An alkali metal carbonate/bicarbonate buffer system has been selected. overall: aspartate. preferably.

EPO - T 2017/07 (Hair dye composition/KAO) of 26.11.2009

T 2017/07 (Hair dye composition/KAO) of 26.11.2009. European Case Law Identifier:,glycol diethyl ether and dipropylene glycol diethyl ether in an amount of up to 5 wt. % based on the composition of the present invention;,Claim 1 of auxiliary request 1 was amended in order to make clear that propylene carbonate was the sole alkylene,Calcium Carbonate-related patent applications,Methods including precipitated and mined calcium carbonate lost circulation materials for use in subterranean formation operations. The precipitated calcium carbonate lost circulation materials are formed under a chosen set of precipitation conditions, including in situ in a subterranean formation.NADH Patent | Carbonate | Ph - Scribd - Read books,,present together at a concentration of 3 to 10 mM.5. 8 . and wherein NADH is present at a concentration of about 2 mM and the pH is about 10.0. 0. alkali metal carbonate. alkali metal bicarbonate and water. An aqueous composition according to claim 8 consisting essentially of NADH.

US Patent # 5,328,615. Alkyl carbonate recovery process,

The process of the present invention operates at substantially lower solvent to feed ratios than processes in the art. For purposes of the present invention, the term solvent to feed ratio shall mean the total volume of hydrocarbon extraction solvent added per volume of alkyl carbonate present in the feedstock to the liquid-liquid extraction column.Natrium Karbonat | Sodium Carbonate | Sodium Hydroxide,The process according to claim 1. present invention. description set out above. wherein the first introducing at least a part of the first waste purge stream soda crystals and the second soda crystals are mixed to form in the second underground cavity. wherein the second solution. a sodium carbonate heptahydrate process. in sodium sulfate. wherein at least of second process which produces.calcium carbonate translation French | English-French,,The present invention relates to a method of manufacturing a paper grade containing precipitated calcium carbonate as filler. La présente invention concerne un procédé de fabrication d'une classe de papier renfermant comme charge du carbonate de calcium précipité.

How to make gunpowder in the wild (all it takes is,

[0010] The present invention: (I) object of the present invention is to overcome the shortcomings of the prior art and to provide a ammonium nitrate and potassium chloride as raw materials prepared by the metathesis process of removing nitrate liquor impurities, Avoid liquor impurity accumulation approach.Carbonate fuel cell anodes (Patent) | DOepatents,The present invention provides novel compositions that find advantageous use in making electrodes for electrochemical cells and electrochemical devices such as solid oxide fuel cells, electrolyzers, sensors, pumps and the like, the compositions comprising cerium-modified doped strontium titanate.Calcium carbonate : Where to buy calcium carbonate nz,,The present invention pertains, hoodia buyers guide at least in part, to novel substituted 4-dedimethylamino tetracycline compounds. Follow all directions on your prescription label. les premiers, calcium carbonate price index milieux séquentiels, ont une formule qui est sencée apporter à l'embryon ce qui lui faut au bon moment.

EP2174937A1.pdf - Google Docs

[0001] The present invention relates to a synthesis process of polyol carbonate, such as glycerol carbonate, from polyols such as glycerol, propylene glycol or ethylene glycol and urea conducted in using a solvent selective for polyols (glycerol) carbonates. [0002] The synthesis of glycerol carbonate was described for years.Carbonate Thermochemical Cycle for the Production of,The subject invention disclosed herein is a new process for producing hydrogen at a much lower temperature (375°C) than that reported in the currently used sulfur-iodine process. The present invention avoids the use of electrolysis andEPO - T 2017/07 (Hair dye composition/KAO) of 26.11.2009,Furthermore, it was apparent from paragraphs [0006] and [0010] of the description adapted to claim 1, filed on 19 October 2007 during the first instance proceedings, that the amendment specifying alkylene carbonate as being propylene carbonate expressed that no alkylene carbonate other than propylene carbonate was present in the composition.

mixture of sodium carbonate and calsium chloride? | Yahoo,

Feb 02, 2008 · In the process according to the invention, clarification is designed to separate the insoluble materials (particularly the precipitate of heavy metal hydroxides) from the aqueous sodium chloride solution. In accordance with the invention, calcium carbonate is coprecipitated with the heavy metal hydroxides.New World Innovations - Aspin Dispensing Bottle Cap,The present invention is directed to filling this need in the art. SUMMARY OF THE INVENTION The present invention addresses these and other needs in the art by providing a bottle cap adapted to retain a quantity of an additive, such as for example aspirin or the like.A novel alumina and carbonate production method from,,carbonate that can be safely deposited or commercialized. Finally it is also an object of the invention to produce amorphous SiO2 which can either be safely deposited or, at least partially, commercialized. Thus the present invention should not strain the environment by generating toxic solid or liquid 20 waste materials The present invention.

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