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  • US1235025A - Process of making dicalcium phosphate ...

    US1235025A US9460216A US9460216A US1235025A US 1235025 A US1235025 A US 1235025A US 9460216 A US9460216 A US 9460216A US 9460216 A US9460216 A US 9460216A US 1235025 A US1235025 A US 1235025A Authority US United States Prior art keywords calcium making phosphate process dicalcium phosphate Prior art date 1916-05-01 Legal status (The legal status is an

  • Cited by: 2
  • US2948590A - Process for the manufacture of dicalcium ...

    US2948590A US636468A US63646857A US2948590A US 2948590 A US2948590 A US 2948590A US 636468 A US636468 A US 636468A US 63646857 A US63646857 A US 63646857A US 2948590 A US2948590 A US 2948590A Authority US United States Prior art keywords acid product phosphoric acid slurry dicalcium phosphate Prior art date 1957-01-28 Legal status (The legal status is an

  • Cited by: 4
  • US3353908A - Process for the manufacture of dicalcium ...

    US3353908A US23559562A US3353908A US 3353908 A US3353908 A US 3353908A US 23559562 A US23559562 A US 23559562A US 3353908 A US3353908 A US 3353908A Authority US United States Prior art keywords phosphate process reaction alkali metal gypsum Prior art date 1961-10-24 Legal status (The legal status is an assumption and is not a legal conclusion.

  • Cited by: 10
  • US3033669A - Process for the manufacture of dicalcium ...

    US3033669A US32082A US3208260A US3033669A US 3033669 A US3033669 A US 3033669A US 32082 A US32082 A US 32082A US 3208260 A US3208260 A US 3208260A US 3033669 A US3033669 A US 3033669A Authority US United States Prior art keywords stage ph dcp liquor slurry Prior art date 1959-07-16 Legal status (The legal status is an assumption and is not a legal conclusion.

  • Cited by: 4
  • WO2004076348A1 - A process for the ... - Google Patents

    This invention relates to the preparation of feed grade dicalcium phosphate from a source containing monocalcium phosphate such as super phosphate, concentrated super phosphate and the like. The first step consists of leaching water soluble mono calcium phosphate therefrom with water or recycle wash water from one of the subsequent steps.

  • Cited by: 4
  • Processes for the manufacture of feed-grade dicalcium ...

    Oct 26, 1976  The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid. The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid, phosphoric acid and nitric acid, characterized by the fact that the free acidity of the dissolution liquor does not exceed 60% and ...

  • manufacturing process of dicalcium phosphate pdf « Mining

    Processes for the manufacture of feed-grade dicalcium phosphate . 26 Oct 1976 The process comprises the reaction of an excess of phosphate rock with aqueo. Download PDF 3988420 PDF help. US Patent 3033669, Process for the manufacture of dicalcium phosphate, May, 1962, Strauchen et al. »More detailed

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  • US Patent for Production of dicalcium phosphate or ...

    Production of dicalcium phosphate or monocalcium phosphate from calcium phosphate Aug 25, 1999 A method of producing dicalcium phosphate from calcium phosphate includes reacting the calcium phosphate with a mineral acid such as sulphuric acid to produce a calcium salt and phosphoric acid.

  • Production of dicalcium phosphate or ... - Free Patents Online

    Feb 06, 2001  Production of dicalcium phosphate or monocalcium phosphate from calcium phosphate . United States Patent 6183712 . Abstract: A method of producing dicalcium phosphate from calcium phosphate includes reacting the calcium phosphate with a mineral acid such as sulphuric acid to produce a calcium salt and phosphoric acid. ... In this process, the ...

  • Dicalcium-Phosphates- Process, Technology, Applications ...

    Dicalcium phosphate crystals are precipitated and after filtration and drying the resulting product is a very pure crystalline dihydrate dicalcium phosphate that is sold as Aliphos® Dical. Dicalcium phosphate is obtained from degreased bones which are demineralised by hydrochloric acid treatment and precipitated by a saturated lime solution.

  • Process for the production of granulated dicalcium ...

    Apr 28, 1992  A process is disclosed for the production of granulated dicalcium phosphate dihydrate from fine-grained, powered dicalcium phosphate dihydrate, wherein 80 t0 95% of dicalcium phosphate dihydrate with a grain size of less than 120 μm and 20 to 5% of calcium hydroxide with a grain size of less than 120 μm are dry mixed and continuously sprayed and granulated in a fluidized

  • us patent for manufacturing process of dicalcium phosphate

    Process for the production of granulated dicalcium . Apr 28 1992 United States Patent 5108728 A process is disclosed for the production of granulated dicalcium phosphate dihydrate from fine-grained powered dicalcium phosphate dihydrate wherein 80 t0 95 of dicalcium phosphate dihydrate with a grain size of less than 120 μm and 20 to 5 of ...

  • Process for the production of dicalcium phosphate - Fox ...

    In United States Patent No. '2,143,438, dated January 10, 1939, I have described a process for the production of monocalcium chlorophosphate, CaClH2PO4.H20, which process comprises treating phosphate rock with hydrochloric acid, adding thereto sufficient phosphoric acid, or monocalcium phosphate, to convert all of the lime present in the ...

  • Process of production of anhydrous monocalcium phosphate ...

    A process of producing monocalcium phosphate in the form of small discrete crystals, comprising heating phosphoric acid of at least 75% H3PO4 while adding gradually an amount of lime less than about 65% of that necessary to convert the H3PO0 to monocalcium phosphate until the mass thickens with formation of hydrated crystals of monocalcium ...

  • us patent for manufacturing process of dicalcium phosphate

    Process for the production of dicalcium phosphate - Fox , In United States Patent No '2,143,438, dated January 10, 1939, I have described a process for the production of monocalcium chlorophosphate, CaClH2PO4H20, which process comprises treating phosphate rock with hydrochloric acid, adding thereto sufficient phosphoric acid, or monocalcium ...

  • manufacturing process of dicalcium phosphate

    Us Patent For Manufacturing Process Of Dicalcium Phosphate. Sales Inquiry Us Patent For Manufacturing Process Of Dicalcium Phosphate; patent of dicalcium phosphate from rock phosphate. United States Patent 3718453 . OBTENIR UN PRIX

  • dicalcium phosphate patents

    Apr 28, 1992 A process is disclosed for the production of granulated dicalcium phosphate dihydrate from fine-grained, powered dicalcium phosphate dihydrate, wherein 80 t0 95% of dicalcium phosphate dihydrate with a grain size of less than 120 μm and 20 to 5% of calcium hydroxide with a grain size of less than 120 μm are dry mixed and continuously sprayed and

  • Clean process for the production of defluorinated ...

    Journal of Hazardous Materials 37 (1994) 83-89 83 CLEAN PROCESS FOR THE PRODUCTION OF DEFLUORINATED DICALCIUM PHOSPHATE USING PHOSPHATE ROCK M G1ULIETTI1.2 1 IPT- Institute for Technological Research, Chemistry Division, Cidade Universitaria, CEP 05508, Sao Paulo, Brazil Fax 55-11-869-3131 2 UFSCar- Federal University of Sao Carlos, Sao Carlos, Brazil ABSTRACT A new process for the production ...

  • Dicalcium phosphate - Wikipedia

    Dicalcium phosphate is the calcium phosphate with the formula CaHPO 4 and its dihydrate. The "di" prefix in the common name arises because the formation of the HPO 4 2– anion involves the removal of two protons from phosphoric acid, H 3 PO 4.It is also known as dibasic calcium phosphate or calcium monohydrogen phosphate.Dicalcium phosphate is used as a food additive, it is found in some ...

  • US Patent for Calcium phosphate material Patent (Patent ...

    Dec 17, 2012  The invention relates to porous granular calcium phosphate osteoinductive materials, particularly materials useful in body tissue repair, principally bone repair and bone replacement, and also to the use of such materials and to a method of making such materials. Exemplary materials comprise discrete porous granules each containing crystals of at least one calcium phosphate, wherein (i) at ...

  • Patents by Inventor Jan C. De Waal - US Patent, Patent ...

    Patents by Inventor Jan C. De Waal ... This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). ... . Production of dicalcium phosphate or monocalcium phosphate from calcium phosphate. Patent number: 6183712

  • Patents by Inventor Gerold Brachtel - US Patent, Patent ...

    Abstract: A process for the preparation of coarse-particle dicalcium phosphate dihydrate having a virtually spherical crystal shape and a particle size range between about 63 and 450 .mu.m, preferably between about 90 and 300 .mu.m, by reacting pure aqueous phosphoric acid with aqueous suspensions of precipitated chalks, wherein an amount of suspension corresponding to the reaction product ...

  • Dicalcium Phosphate Tablet Flowing Agent Pharma Excipient

    Di-calcium Phosphate is an ingredient in a range of different products. It's used in the production of tablets and capsules as a "flowing agent". Di-calcium Phosphate comes in different mesh sizes. The coarser grades supplied here flow well and have excellent compressibility. Flowability is a crucial element of the manufacturing process.

  • Dicalcium phosphate - Wikipedia

    Dicalcium phosphate is the calcium phosphate with the formula CaHPO 4 and its dihydrate. The "di" prefix in the common name arises because the formation of the HPO 4 2– anion involves the removal of two protons from phosphoric acid, H 3 PO 4.It is also known as dibasic calcium phosphate or calcium monohydrogen phosphate.Dicalcium phosphate

  • US Patent for Calcium phosphate material Patent (Patent ...

    Dec 17, 2012  The invention relates to porous granular calcium phosphate osteoinductive materials, particularly materials useful in body tissue repair, principally bone repair and bone replacement, and also to the use of such materials and to a method of making such materials. Exemplary materials comprise discrete porous granules each containing crystals of at least one calcium phosphate

  • Patents by Inventor Jan C. De Waal - US Patent, Patent ...

    Patents by Inventor Jan C. De Waal ... This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). ... . Production of dicalcium phosphate or monocalcium phosphate from calcium phosphate. Patent

  • Patents by Inventor Gerold Brachtel - US Patent, Patent ...

    Abstract: A process for the preparation of coarse-particle dicalcium phosphate dihydrate having a virtually spherical crystal shape and a particle size range between about 63 and 450 .mu.m, preferably

  • Dicalcium Phosphate Tablet Flowing Agent Pharma Excipient

    Di-calcium Phosphate is an ingredient in a range of different products. It's used in the production of tablets and capsules as a "flowing agent". Di-calcium Phosphate comes in different mesh sizes. The coarser grades supplied here flow well and have excellent compressibility. Flowability is a crucial element of the manufacturing process.

  • Dicalcium Phosphate Suppliers USA

    Dicalcium Phosphate Suppliers USA. Find where to buy products from suppliers in the USA, including: distributors, industrial manufacturers in America, bulk supplies and wholesalers of raw ingredients

  • process dicalcium phosphate - marcverschelderacepigeons.be

    production of dicalcium phosphate from monoammonium phosphate. Patent US7101522 - Production of dicalcium phosphate , A process is provided for the production of dicalcium phosphate form a phosphate source material in which a . Modification of manufacturing process

  • Product Information DICALCIUM PHOSPHATE, ANHYDROUS

    Dicalcium Phosphate, Anhydrous Dibasic Calcium Phosphate, Anhydrous CERTIFICATES Includes Kosher, NAFTA and others. FORMULA CaHPO4 SHELF LIFE 36 Months CAS NUMBER 7757-93-9 LABEL DECLARATION Dicalcium Phosphate, Anhydrous FORMULA WEIGHT 136.06 MANUFACTURING

  • Lawrence Alan Peacock Inventions, Patents and Patent ...

    Nov 05, 2019  The granulated phosphate composition includes a phosphate source, such as monocalcium phosphate, mono-dicalcium phosphate, or dicalcium phosphate, and one or more additives such as lubricity and abrasivity additives. The lubricity additive can include a sodium additive that lubricates the die during a feed milling or pelleting process.

  • THE SAFETY OF DICALCIUM PHOSPHATE PRECIPITATED

    The typical dicalcium phosphate manufacturing process includes first a degreasing step of fine crushed bones in hot water (80° to 85°C). Regularly shaking removes a high percentage of proteins.

  • patents on phosphate rock benefication

    Method and apparatus for beneficiating phosphate ores , Apr 13, 1982 A companion patent, US Pat No 3,329,351 also issued July 4, 1967, discloses a dry process for the beneficiation of phosphate rock in which, after the phosphate matrix is dried and air-classified to produce pebble phosphate and fine particles of phosphate rock, the fine particles of phosphate

  • dicalcium phosphate Sigma-Aldrich

    Search results for dicalcium phosphate at Sigma-Aldrich. Compare Products: Select up to 4 products. *Please select more than one item to compare

  • Dicalcium Phosphate Production

    A process for the manufacture of feed grade This invention relates to the preparation of feed grade dicalcium phosphate from a source containing monocalcium phosphate such as super phosphate,

  • Dicalcium Phosphate - Manufacturers, Suppliers Exporters ...

    Price : Get Quote Molecular Formula : CaHPQ4.2H2O Acid Insoluble Subs : N.M.T.0.3% Assay : 99.00% Color : White Form : Powder Molar Mass : 136.06 g/mol Dicalcium phosphate, often called DCP for short, is a dibasic calcium phosphate formed by a reactive combination of calcium oxide and phosphoric acid. As a dietary supplement, Dicalcium Phosphate

  • dicalcium phosphate production

    Dicalcium Phosphate an overview ScienceDirect Topics. A critical factor in the solubilization process is the area of the exposed surface The dicalcium phosphate forms a protective coating to the underlying hydroxyapatite since is is removed relatively slowly the rate depending on the concentration of calcium and phosphate

  • US Patent # 4,191,734. Fluoride-free phosphate reactions ...

    Fluoride-free phosphate reactions Abstract. Substantially fluoride-free phosphoric acid is produced by the acidulation of phosphate rock with sulfuric acid wherein the acidulation reaction is conducted in

  • Dicalcium phosphate dihydrate having improved ...

    Dicalcium phosphate dihydrate compositions having improved monofluorophosphate compatibility are prepared by adding pyrophosphoric acid to the dicalcium phosphate dihydrate reactor and terminating the reaction by which the dicalcium phosphate

  • Kai Hamang Inventions, Patents and Patent Applications ...

    Jul 15, 2011  The granulated phosphate composition includes a phosphate source, such as monocalcium phosphate, mono-dicalcium phosphate, or dicalcium phosphate, and one or more additives such as lubricity and abrasivity additives. The lubricity additive can include a sodium additive that lubricates the die during a feed milling or pelleting process.

  • US 7771736 B2 - Free Open Patent and Scholarly Search

    Glyphosate formulations and their use for the inhibition of 5-enolpyruvylshikimate-3-phosphate synthase (75) Inventor: William Abraham, Wild, MO (US) (73) Assignee: Monsanto Technology LLC, St. Louis, MO (US), Type: US Company (*) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S

  • Dicalcium phosphate dihydrate having improved ...

    Dicalcium phosphate dihydrate composition having improved monofluorophosphate compatibility are prepared by the addition of magnesium oxide and pyrophosphoric acid to the reaction mixture, and terminating the reaction by which the dicalcium phosphate

  • CPC Definition - United States Patent and Trademark Office

    The electrochemical process of forming an adherent phosphate coating on a metal substrate by immersion thereof in a suitable aqueous phosphate solution and precipitation of insoluble metal phosphate

  • Glyphosate Patents

    A process of treating an animal subject for a pathogenic infection, Wherein the infection is by a pathogen containing the enzyme 5-enolpyruvoylshikimate-3-phosphate synthase, said enzyme being susceptible to inhibition of its enzymatic 20 activity by the herbicidal agent glyphosate, the process

  • patented for thermal phosphate recovery process

    Process for the production of dicalcium phosphate - US Patent. Process for the production of dicalcium phosphate Abstract. A process for the recovery of phosphate values from a phosphate ore wherein the ore is leached with a mixture comprising water sulphur dioxide and an organic carbonyl compound the leach liquor containing dissolved phosphate

  • Dentifrice with topical and systemic phosphate ... - US Patent

    United States Patent : 4,292,306: Faunce September 29, 1981 Dentifrice with topical and systemic phosphate fluoride system Abstract. A coated fluoride and a stannous fluoride containing dentrifice of a mixture containing sodium dihydrogen phosphate

  • Process of manufacturing phosphate fertilizer - Patent ...

    Patent: United STATES Patent - United States. Application: US19730362869 on 1973-05-22. ... In the disclosed process of manufacturing phosphate fertilizer, a mixture of crushed phosphate rock,

  • PROCESS FOR PRODUCING ADENOSINE TRIPHOSPHATE AND

    A process for producing adenosine triphosphate (ATP) and adenosine diphosphate (ADP) which comprises culturing a microorganism belonging to the genus Corynebacterium, Micrococcus or

  • PROCESS FOR PREPARING NICOTINAMIDE ADENINE DINUCLEOTIDE ...

    A process for preparing nicotinamide adenine dinucleotide phosphate (NADP) by reacting nicotinamide adenine dinucleotide with adenosine triphosphate in the presence of nicotinamide

  • United States Court of Appeals for the Federal Circuit

    United States Patent No. 5,336,264 (the '264 patent) and United States Patent No. ... tetracalcium phosphate and dicalcium phosphate in association with the trademark ... United States Court of Appeals for the Federal Circuit

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    The materials of processing: *

    • Granite
    • Limestone
    • Basalt
    • Pebble
    • Gravel
    • Gypsum
    • Marble
    • Barite
    • Quartz
    • Dolomite
    • Gold Ore
    • Copper ore
    * *

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