DE3246884C2 - - Google Patents

Info

Publication number
DE3246884C2
DE3246884C2 DE19823246884 DE3246884A DE3246884C2 DE 3246884 C2 DE3246884 C2 DE 3246884C2 DE 19823246884 DE19823246884 DE 19823246884 DE 3246884 A DE3246884 A DE 3246884A DE 3246884 C2 DE3246884 C2 DE 3246884C2
Authority
DE
Germany
Prior art keywords
hydrogen phosphate
calcium hydrogen
phosphate dihydrate
calcium
dihydrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE19823246884
Other languages
German (de)
English (en)
Other versions
DE3246884A1 (de
Inventor
Fawzy Gamaleldin Stony Point N.Y. Us Sherif
Helmut Wilhelm Nyack N.Y. Us Majewski
Francis Anthony Yorktown Heights N.Y. Us Via
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay USA Inc
Original Assignee
Stauffer Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of DE3246884A1 publication Critical patent/DE3246884A1/de
Application granted granted Critical
Publication of DE3246884C2 publication Critical patent/DE3246884C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/322—Preparation by neutralisation of orthophosphoric acid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/24—Phosphorous; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Organic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cosmetics (AREA)
  • Paper (AREA)
DE19823246884 1981-12-31 1982-12-17 Verfahren zur herstellung von calciumhydrogenphosphatdihydrat Granted DE3246884A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33621481A 1981-12-31 1981-12-31

Publications (2)

Publication Number Publication Date
DE3246884A1 DE3246884A1 (de) 1983-08-04
DE3246884C2 true DE3246884C2 (enEXAMPLES) 1992-01-09

Family

ID=23315067

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823246884 Granted DE3246884A1 (de) 1981-12-31 1982-12-17 Verfahren zur herstellung von calciumhydrogenphosphatdihydrat

Country Status (4)

Country Link
JP (1) JP2594251B2 (enEXAMPLES)
CA (1) CA1190378A (enEXAMPLES)
DE (1) DE3246884A1 (enEXAMPLES)
GB (1) GB2112762B (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223205A (ja) * 1983-05-30 1984-12-15 Toyo Sutoufuaa Chem:Kk 球状無水第二リン酸カルシウムの製造方法
JPS59223204A (ja) * 1983-05-30 1984-12-15 Lion Corp 球状無水第二リン酸カルシウム
JPS59223206A (ja) * 1983-05-30 1984-12-15 Toyo Sutoufuaa Chem:Kk 球状無水第二リン酸カルシウムの製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287699A (en) * 1940-02-15 1942-06-23 Monsanto Chemicals Stabilized dicalcium phosphate
US3012852A (en) * 1956-06-06 1961-12-12 Monsanto Chemicals Stabilized calcium phosphates and process therefor
DE1189527B (de) * 1959-06-30 1965-03-25 Stauffer Chemical Co Verfahren zur Herstellung von stabilisiertem Dicalciumphosphat
DE1259861B (de) * 1965-06-16 1968-02-01 Knapsack Ag Verfahren zur Herstellung von stabilisiertem Dicalciumphosphat-Dihydrat
DE1277222B (de) * 1965-12-22 1968-09-12 Knapsack Ag Verfahren zur Stabilisierung von Dicalciumphosphatdihydrat
US4193973A (en) * 1978-12-22 1980-03-18 Monsanto Company Process for stabilization of dicalcium phosphate
US4247526A (en) * 1979-05-29 1981-01-27 Monsanto Company Method for preparing dicalcium phosphate dihydrate with improved stability

Also Published As

Publication number Publication date
GB2112762A (en) 1983-07-27
CA1190378A (en) 1985-07-16
JP2594251B2 (ja) 1997-03-26
JPS59121106A (ja) 1984-07-13
GB2112762B (en) 1985-05-01
DE3246884A1 (de) 1983-08-04

Similar Documents

Publication Publication Date Title
EP2802531B1 (de) Kondensierte eisen (iiii) phosphate
EP0643015A1 (de) Verfahren zur Herstellung einer Fällungskieselsäure
DE2908186A1 (de) Kaugummi mit einer fluessigen, aromatisierten fuellung und verfahren zu seiner herstellung
DE102008045333B4 (de) Verfahren zum Herstellen von Fluorapatit
EP0080227B1 (de) Verfahren zur Herstellung von Kupfer-II-hydroxid
DE1667748C3 (de) Verfahren zur Herstellung von Natriumsiliciumfluorid aus einer auf nassem Wege gewonnenen Phosphorsäure
EP0280077B1 (de) Zahnpasten sowie Putzkörper für Zahnpasten auf Basis Dicalciumphosphat-dihydrat und ein Verfahren zur Herstellung solcher Putzkörper
DE2803590C2 (de) Verfahren zum Reinigen von Natriumhexafluorosilikat
DE3222482C2 (enEXAMPLES)
DE2824191A1 (de) Verfahren zur herstellung eines aluminiumhydroxid-gels
CH617157A5 (enEXAMPLES)
DE3246884C2 (enEXAMPLES)
DE2407238A1 (de) Verfahren zur herstellung von calciumfluorid aus hexafluorokieselsaeure
DE958243C (de) Verfahren zur Herstellung von wasserfreiem Dicalciumphosphat mit einer Putzkraft zwischen 2 und 15, vorzugsweise zwischen 10 und 13
DE3216606A1 (de) Zahnpflegemittel
DE3043895C2 (de) Verfahren zur Herstellung eines Alkalimonofluorophosphats
DE3246885C2 (de) Verfahren zur Herstellung von Calciumhydrogenphosphatdihydrat
DE2918132A1 (de) Zahncreme-zusammensetzung
EP0612687A1 (de) Verfahren zur Herstellung eines für den Einsatz in Zahnpasten geeigneten Dicalciumphosphat-Dihydrats
DE3723320C2 (de) Verfahren zur Abtrennung von Barium aus wasserlöslichen Strontiumverbindungen
DE2531519C3 (de) Verfahren zur Aufbereitung von Rohphosphat
DE1189527B (de) Verfahren zur Herstellung von stabilisiertem Dicalciumphosphat
DE1667731A1 (de) Stabilisator fuer Polymersuspensionen sowie Verfahren zu seiner Herstellung
DE3229890A1 (de) Verfahren zum aufschluss von phosphathaltigem gestein zwecks gewinnung von phosphorsaeure und/oder phosphatduengemitteln und verwendung des verfahrens zur herstellung eines pulverfoermigen np-duengemittels mit langzeitwirkung
DE2549625A1 (de) Verfahren zur herstellung von abfallgips

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: RHODIA INC., CRANBURY, N.J., US