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Dicalcium Phosphate Patents

Dicalcium phosphate dihydrate having improved stability .

Dicalcium phosphate dihydrate containing a sufficient amount of trimagnesium phosphate and/or tetrasodium pyrophosphate to inhibit spontaneous hydrolysis and/or decomposition of the dicalcium phosphate dihydrate is widely used as a dental polishing agent with and without added fluoride.

dicalcium phosphate patents

US3391992A - Feed grade dicalcium phosphate - Google Patents. The dicalcium phosphate product is screened and dried, if desired, and stored for packaging or distribution. The dicalcium phosphate product is equivalent in all respects to dicalcium phosphate made from the much more expensive electric-furnace phosphoric acid and possesses an .

Patents Assigned to MAXIGEN BIOTECH INC. - Justia Patents .

Abstract: The present invention discloses a method of manufacturing pure dicalcium phosphate ceramics or dicalcium phosphate/hydroxyapaite (HA) biphasic ceramics for medical applications in hard tissue areas to be used as implant materials. These ceramic implant materials are in granular form or in block form, and are prepared by using an acidic phosphate compound, a basic calcium phosphate .

calcium phosphate dibasic, 7757-93-9

Consistent sources: North American supplier for globally sourced ingredients. AIC is a Westborough, MA based ISO Certified sales and marketing company serving the food, pharmaceutical, nutritional, personal care, biotech, and industrial markets of North America since 1972.

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 .

List of Off-Patent, Off-Exclusivity Drugs without an .

List of Off-Patent, Off-Exclusivity Drugs without an Approved Generic . . DISOPYRAMIDE PHOSPHATE 018655 CAPSULE, EXTENDED RELEASE DOCETAXEL 203551 INJECTABLE DOCETAXEL 022234 INJECTABLE

Dicalcium Phosphate MSDS

Trade Name: dicalcium Phosphate 18% Registration No: None Disclaimer: This information relates to the specific material designated and may not be valid for such material used in combination with any other materials or in any process.

CALCIUM HYDROGEN PHOSPHATE (7757-93-9) - Chemical .

Most-cited Publications. Sintering behaviour and mechanical properties of hydroxyapatite and dicalcium phosphate (Journal of Materials Science: Materials in Medicine, 1993); Dicalcium phosphate cements: Brushite and monetite (Acta Biomaterialia, 2012); In vivo study of calcium phosphate cements: implantation of an -tricalcium phosphate/dicalcium phosphate dibasic/tetracalcium phosphate .

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 dihydrate.

Calipharm D (Dicalcium Phosphate Dihydrate)

(Dicalcium Phosphate Dihydrate) (1/2) PRODUCT DATA SHEET IDENTIFICATION CAS N° [7789-77-7] SYNONYM . shall be construed as a recommendation for uses which infringe valid patents or as extending license under valid patents. Calipharm D ® (Dicalcium Phosphate Dihydrate) (2/2) On .

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 .

Dicalcium Phosphate | Tablet Flowing Agent | Pharma Excipient

Dicalcium Phosphate is a flowing agent and helps move ingredients through the machine before they are compressed. Magnesium Stearate is a dry lubricant and helps again with the movement of ingredients through the machine but also helps with the ejection of the tablets from the machine. Please note that Magnesium Sterate does not bind by itself.

Dicalcium phosphate dihydrate having improved stability .

Dicalcium phosphate dihydrate containing a sufficient amount of trimagnesium phosphate and/or tetrasodium pyrophosphate to inhibit spontaneous hydrolysis and/or decomposition of the dicalcium phosphate dihydrate is widely used as a dental polishing agent with and without added fluoride.

us patent for manufacturing process of dicalcium phosphate

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 calcium hydroxide with a grain size of less than 120 μm are

Dicalcium phosphate - PHAR6157 - Google Sites

Tricalcium phosphate is an exa mple that has a higher percentage of calcium and can therefore be used more often for calcium supplementation. (7) Abuses (if any)-N/A (8) Mechanism of action- N/A (9) Toxicity- Dicalcium phosphate is not considered toxic.

Dicalcium Phosphate MSDS

Trade Name: dicalcium Phosphate 18% Registration No: None Disclaimer: This information relates to the specific material designated and may not be valid for such material used in combination with any other materials or in any process.

Product Information DICALCIUM PHOSPHATE, ANHYDROUS .

infringe valid patents or as extending license under valid patents. Product Information DICALCIUM PHOSPHATE, ANHYDROUS USP/FCC GRADE DESCRIPTION Dicalcium Phosphate, Anhydrous is a white, odorless, tasteless powder. It is stable in air. European Pharmacopoeia (EP 3rd ed.) Certificates of Analysis are available on request.

patent of dicalcium phosphate from rock phosphate

patent of dicalcium phosphate from rock phosphate 2017 Edition - statistics.gov.hk hkhs code - 8-digit 01012100 c62 unit 01012910 live horses, for racing 01012990 live horses, other than those for pure-bred breeding or racing 01013000

Premixed Calcium Phosphate Cement Pastes | NIST

Nov 01, 2003 · A self-hardening calcium phosphate cement (CPC-I), consisting of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA), has been shown in clinical studies to be efficacious as bone repair materials.

ANHYDROUS DICALCIUM PHOSPHATE PARTICLES AND .

The present invention provides anhydrous dicalcium phosphate particles which satisfies the conflicting requirements of the improvement of handling properties such as high flowability and a small bulk and the improvement of tableting properties at the same time during preparation and a method of producing the same.

ANHYDROUS DICALCIUM PHOSPHATE PARTICLES AND .

The present invention provides anhydrous dicalcium phosphate particles which satisfies the conflicting requirements of the improvement of handling properties such as high flowability and a small bulk and the improvement of tableting properties at the same time during preparation and a method of producing the same.

Indian Patents. 202038:A PROCESS FOR THE MANUFACTURE OF .

Dicalcium phosphate known, as DCP is a commonly used animal feed supplement and it is desirable to obtain dicalcium phosphate free of contaminants, particularly fluoride containing compounds. Feed grade dicalcium phosphate has a chemical formula CaH PO4 2H2O wherein phosphorus expressed as P is 18% and calcium expressed as Ca is at least 23%.

Dicalcium Phosphate | Tablet Flowing Agent | Pharma Excipient

Dicalcium Phosphate is a flowing agent and helps move ingredients through the machine before they are compressed. Magnesium Stearate is a dry lubricant and helps again with the movement of ingredients through the machine but also helps with the ejection of the tablets from the machine. Please note that Magnesium Sterate does not bind by itself.

US2287699A - Stabilized dicalcium phosphate - Google Patents

US2287699A US319108A US31910840A US2287699A US 2287699 A US2287699 A US 2287699A US 319108 A US319108 A US 319108A US 31910840 A US31910840 A US 31910840A US 2287699 A US2287699 A US 2287699A Authority US United States Prior art keywords dicalcium phosphate pyrophosphate precipitate mother liquor alkali metal Prior art date 1940-02-15

Reduced Hardening Time of Calcium Phosphate Cements | NIST

Aug 26, 2016 · Abstract The first self-hardening calcium phosphate cement (CPC) consisting of tetracalcium phosphate (TTCP, Ca 4 (PO 4) 2 O) and dicalcium phosphate anhydrous (DCPA, CaHPO 4) or dicalcium phosphate dihydrate (DCPD, CaHPO 4 H x 2H 2 O) was developed in 1987. The CPC composed of TTCP and DCPA was approved in 1996 by the Food and Drug Administration for cranial .

patent of dicalcium phosphate from rock phosphate

US Patent for Production of dicalcium phosphate or monocalcium . Aug 25, 1999 . Also, a method of producing monocalcium phosphate from calcium . be reacted with the phosphoric acid to produce dicalcium phosphate.

DI-Calcium phosphate DI-hydrate | Ca2H4O6P+ - PubChem

DI-Calcium phosphate DI-hydrate | Ca2H4O6P+ | CID 21862903 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. . dicalcium phosphate-dihydrate. CTK5I5394. RBLGLDWTCZMLRW-UHFFFAOYSA-K. DI-CALCIUM PHOSPHATE DI .

Theoretical and practical experience of calcium phosphate .

Dicalcium phosphate dihydrate CaHPO4·2H2O DCPD Brushite Amorphous 2.32 x 10 −7 Dicalcium phosphate CaHPO4 DCP Monetite Amorphous 1 x 10−7 Tricalcium phosphate Ca3(PO4)2 TCP Whitlockite Amorphous 2.07 x 10 −33 Tetracalcium phosphate Ca4O(PO4)2 TTCP Hilgenstockite Amorphous Pentacalcium hydroxylapatite

dicalcium phosphate patents

US3391992A - Feed grade dicalcium phosphate - Google Patents. The dicalcium phosphate product is screened and dried, if desired, and stored for packaging or distribution. The dicalcium phosphate product is equivalent in all respects to dicalcium phosphate made from the much more expensive electric-furnace phosphoric acid and possesses an .

US 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 acid. The calcium salt may then be hydrolyzed to form a calcium alkali which may then be reacted with the phosphoric acid to produce dicalcium phosphate.

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