us patents for dcp dicalcium phosphate

    US4755367A, 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 μm, preferably between about 90 and 300 μm, by reacting pure aqueous phosphoric acid with aqueous suspensions of precipitated chalks, wherein an amount of suspension corresponding to the reaction product formed is ,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 dihydrate is formed at a pH ranging from above about 22 to below about 49Patents by Inventor Gerold Brachtel, 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 mum, preferably between about 90 and 300 mum, by reacting pure aqueous phosphoric acid with aqueous suspensions of precipitated chalks, wherein an amount of suspension corresponding to the reaction product ,Process for preparing dicalcium phosphate containing ,, What we claim is: 1 A process for preparing a fertilizer containing dicalcium phosphate from a tricalcium phosphate of mineral origin, said preparing being in the presence of monocalcium phosphate, which process comprises granulating the grains of the sized or unsized phosphate of mineral origin which are larger than 5 mm to a grain size of 1 to 4 mm, admixing the mineral phosphate with ,Horst Klassen Inventions, Patents and Patent Applications ,, Sep 02, 2008· 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) , Abstract: Tooth pastes contain a cleaning agent consisting of dicalcium phosphate-dihydrate The cleaning agent has an adsorptive power of more than 60 g Hsub2 /100 g.

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    Phosphate Dcp Suppliers, all Quality Phosphate Dcp ,, Phosphate Dcp, Phosphate Dcp Suppliers Directory - Find variety Phosphate Dcp Suppliers, Manufacturers, Companies from around the World at monocalcium phosphate feed grade ,triethyl phosphate ,dap diammonium phosphate, Feed Grade Minerals & Trace ElementsMethod for etching phosphate ores, A method for etching phosphate ores includes a single-pass digesting of ores which P 2 0 5 content is greater than 20% in weight by a hydrochloric aqueous acid solution having an HCI concentration less than 10% by weight with an etching solution formation and the separation of the insoluble solid phase and the aqueous phase of the etching solutionCompositional changes of a dicalcium phosphate dihydrate ,, Sep 01, 2003· Upon mixing, the calcium phosphate powders dissolve, and new calcium phosphate crystals form The entanglement of these crystals results in paste hardening There are two types of hydraulic CPC depending on the end-product of the reaction: apatite cements and dicalcium phosphate dihydrate (DCPD) cements (CaHPO 4 2H 2 O) , , Most studies ,Arcadio Garcia De Castro Inventions, Patents and Patent ,, Jun 19, 2017· 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) , Preferred calcium phosphates include anhydrous dicalcium phosphate, dicalcium phosphate dihydrate, hydroxyapatite and amorphous calcium phosphate that can incorporate partial ,Eric Baines Inventions, Patents and Patent Applications ,, Abstract: An oral preparation comprising a dentally acceptable oral vehicle and dispersed therein a cationic antibacterial agent in amount of about 001-5% by weight based on the cationic portion thereof and about 005-5% by weight of an anionic phosphate ester surface active agent comprising a mixture of monoester of the formula ##STR1## wherein R is an alkyl group of 10-20 carbon atoms, n an ,.

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    Dicalcium phosphate dihydrate having improved ,, Patent: United STATES Patent - United Stat Application: US19810273783 on 1981-06-15 Publication: 1984-09-18 Abstract 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 ,US Patent for Method of preparing dough Patent (Patent ,, A method of preparing a dough composition According to the method, a batter comprising water, a leavening agent, and flour is formed After the batter is formed, a complementary leavening agent, additional flour and other minor ingredients are added to the batter and mixed to form a dough wherein the leavening agents are distributed uniformly through the dough and the dough results in a ,factory equipment for dicalcium, Phosphate Rock Vibrating Feeder Factory Factory Machinery For Dicalcium Phosphate Factory equipment for dicalcium phosphateontactur milestones phosphate wizardxperience in technologies phosphates ore handling and treatment wet phosphoric phosphate and monocalcium phosphate technology build up equipment changes feed phosphates dcp and mcp production site 2015north africaKinetics of phosphoric acid production by decomposition of ,, Oct 01, 1992· However, the supply of high-grade phosphate rocks is rapidly decreasing, and it would be desirable to produce high-purity phosphoric acid from low-grade phosphatic materials It is well known that monocalcium phosphate (MCP) undergoes dissocia- tion under suitable conditions to form H3PO4 and dicalcium phosphate (DCP)US2999293A, US2999293A US683450A US68345057A US2999293A US 2999293 A US2999293 A US 2999293A US 683450 A US683450 A US 683450A US 68345057 A US68345057 A US 68345057A US 2999293 A US2999293 A US 2999293A Authority US United States Prior art keywords mixture granules powdered water dry Prior art date 1957-09-12 Legal status (The legal status is an assumption and is not a legal ,.

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    Dcp Chemical Suppliers, Manufacturer, Distributor ,, DCP animal feed supplement,DCP 18% powder, Dibasic Calcium Phosphate, dicalcium phosphate, 7789-77-7 dicalcium phosphate for deer / DCP feed grade Dicalcium Phosphate Chemical Formula White/Grey Powder P=17%/18% Feed Additive DCPDicalcium Phosphate Equipment Production Process, 06/02/2001 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 acDicalcium phosphate cements: Brushite and monetite ,, Feb 01, 2012· Cements highly enriched in silicates, such as the PA/wollastonite system, also react to form a mixture of monetite, brushite and dicalcium phosphate monohydrate, besides amorphous silica DCP cements loaded with gentamycin sulfate also tend to form monetite upon setting 36 Production of calcium pyrophosphate ceramicsDI, DI-Calcium phosphate | Ca2O4P+ | CID 21584077 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more , dicalcium;phosphate Computed by LexiChem 266 (PubChem release 20190618) PubChem 212 InChI Help ,Common ion effect on some calcium phosphate cements ,, Jan 01, 1994· Reaction products and ingredients in the powders of the cements used in this study Abbreviation Formula Name MCPM Ca(HZP04)zH20 Monocalcium phosphate monohydrate DCP CaHP04 Dicalcium phosphate OCP Ca8(HP04)2(P04)45H20 Octocalcium phosphate a-TCP Ca3(P04)2 a-Tertiary calcium phosphate CDHA Ca9(HP04)(P04)5(OH) Calcium-deficient ,.

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    Process for preparing dicalcium phosphate containing ,, Patent: United STATES Patent - United Stat Application: US19780902931 on 1978-05-05 Publication: 1979-12-04 Abstract There is disclosed a process for preparing fertilizers containing dicalcium phosphate from phosphates of mineral origin by mechanical activation According to the invention grains larger than 5 mm of the sized or unsized ,Dicalcium phosphate dihydrate for fluoride dentifrice ,, The monofluorophosphate compatibility of dicalcium phosphate dihydrate can be improved in processes in which a slaked lime slurry is reacted with phosphoric acid to form a monocalcium phosphate solution to which is added magnesium oxide, additional lime slurry and pyrophosphoric acid with later removal of the dicalcium phosphate dihydrateUS3988420A, The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric ac 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 ,Calcium phosphate cements: study of the β, Sep 01, 1989· The ultimate tensile strength of the hardened cement is proportional to the amount of DCPD formed Upon ageing above 40°C, DCPD transforms progressively into anhydrous dicalcium phosphate (DCP), thereby decreasing the strength Ageing of the pastes in rh results in a decay of the mechanical propertiDibasic Calcium Phosphate Replacement with Starch 1500 in ,, Dicalcium phosphate (DCP) is a commonly used filler in tablet formulas Coarser grades of this excipient are known , United States Santa Ana, California 714-549-0631 714-549-4921 , Any information contained herein is intended as a recommendation for use of our products so as not to infringe on any patent.

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    US1235025A, 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 phosphate making dicalcium phosphate mixture Prior art date 1916-05-01 Legal status (The legal status is an ,US20150017268A1, The invention concerns herbal compositions which improve lactation of farmed livestock comprising an effective amount of an extract and/or at least one bioactive fraction or powder from herbs such as Asparagus, Gossypium, Foeniculum, Lepidium, Chlorophytum, Ipomoea, Withania, Leptadenia and optionally dicalcium phosphate, chelated minerals and/or mineral mixtureProduction of dicalcium phosphate or monocalcium phosphate ,, United States Patent 6183712 , The calcium hydroxide produced may be used in the preparation of dicalcium phosphate ("DCP") and DCP dihydrate (CaHPO 42H 2 O), as described herein The sodium sulfate may be electrolyzed to regenerate sodium hydroxide and sulphuric acUS Patent for Production of dicalcium phosphate or ,, 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 ac The calcium salt may then be hydrolyzed to form a calcium alkali which may then be reacted with the phosphoric acid to produce dicalcium phosphateUS3401014A, US3401014A US50996165A US3401014A US 3401014 A US3401014 A US 3401014A US 50996165 A US50996165 A US 50996165A US 3401014 A US3401014 A US 3401014A Authority US United States Prior art keywords crystals liquor monocalcium phosphate line impurities Prior art date 1965-11-26 Legal status (The legal status is an assumption and is not a legal conclusion.

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