BE859968A - Procede de stabilisation du phosphate dicalcique dihydrate - Google Patents

Procede de stabilisation du phosphate dicalcique dihydrate

Info

Publication number
BE859968A
BE859968A BE181938A BE181938A BE859968A BE 859968 A BE859968 A BE 859968A BE 181938 A BE181938 A BE 181938A BE 181938 A BE181938 A BE 181938A BE 859968 A BE859968 A BE 859968A
Authority
BE
Belgium
Prior art keywords
stabilizing
dicalcium phosphate
phosphate dihydrate
dihydrate
dicalcium
Prior art date
Application number
BE181938A
Other languages
English (en)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE859968A publication Critical patent/BE859968A/fr

Links

Classifications

    • 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
    • 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
    • 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
    • C01B25/327—After-treatment
    • 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
    • C01B25/34—Magnesium phosphates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Cosmetics (AREA)
  • Paper (AREA)
BE181938A 1976-10-23 1977-10-21 Procede de stabilisation du phosphate dicalcique dihydrate BE859968A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762648061 DE2648061C2 (de) 1976-10-23 1976-10-23 Verfahren zum Stabilisieren von Di-calciumhydrogenphosphatdihydrat

Publications (1)

Publication Number Publication Date
BE859968A true BE859968A (fr) 1978-04-21

Family

ID=5991226

Family Applications (1)

Application Number Title Priority Date Filing Date
BE181938A BE859968A (fr) 1976-10-23 1977-10-21 Procede de stabilisation du phosphate dicalcique dihydrate

Country Status (6)

Country Link
BE (1) BE859968A (fr)
CA (1) CA1090531A (fr)
DE (1) DE2648061C2 (fr)
FR (1) FR2368440A1 (fr)
GB (1) GB1548465A (fr)
NL (1) NL184943C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045826A1 (fr) * 1980-08-12 1982-02-17 Monsanto Company Phosphate dicalcique dihydraté à stabilisation améliorée et procédé pour sa préparation
US4472365A (en) * 1981-06-15 1984-09-18 Stauffer Chemical Company Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof
PT76539B (en) * 1982-04-20 1986-03-11 Beecham Group Plc Oral hygiene fluorated compositions
DE3705845A1 (de) * 1987-02-24 1988-09-01 Hoechst Ag Zahnpasten sowie putzkoerper fuer zahnpasten auf basis dicalciumphosphat-dihydrat und ein verfahren zur herstellung solcher putzkoerper
DE3915746A1 (de) * 1989-05-13 1990-11-15 Hoechst Ag Verfahren und anlage zur herstellung von dicalciumphosphat
EP0475482B1 (fr) 1990-09-13 1994-10-05 Akzo Nobel N.V. Compositions chimiques solides stabilisées
US5292520A (en) * 1990-09-13 1994-03-08 Akzo N.V. Stabilized solid pharmaceutical composition containing acid addition salts of a basic drug and an alkaline stabilizer
DE4305276A1 (de) * 1993-02-20 1994-08-25 Hoechst Ag Verfahren zur Herstellung eines für den Einsatz in Zahnpasten geeigneten Dicalciumphosphat-Dihydrats
DE4306673A1 (de) * 1993-03-04 1994-09-08 Hoechst Ag Verfahren zur Herstellung eines für den Einsatz in Zahnpasten geeigneten Dicalciumphosphat-Dihydrats

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2133286A (en) * 1937-05-11 1938-10-18 Rumford Chemical Works Acid calcium tetraphosphate and method of making the same
US2287699A (en) * 1940-02-15 1942-06-23 Monsanto Chemicals Stabilized dicalcium phosphate
DE1189527B (de) * 1959-06-30 1965-03-25 Stauffer Chemical Co Verfahren zur Herstellung von stabilisiertem Dicalciumphosphat
DE1216264B (de) * 1963-09-16 1966-05-12 Knapsack Ag Verfahren zur Herstellung von Dicalciumphosphatdihydrat
DE1224716B (de) * 1965-01-29 1966-09-15 Knapsack Ag Verfahren zur Herstellung von Magnesiumhydrogenphosphat-Trihydrat
DE1259861B (de) * 1965-06-16 1968-02-01 Knapsack Ag Verfahren zur Herstellung von stabilisiertem Dicalciumphosphat-Dihydrat
FR1483486A (fr) * 1965-06-16 1967-06-02 Knapsack Ag Procédé de préparation de phosphate dicalcique dihydraté stabilisé
DE1277222B (de) * 1965-12-22 1968-09-12 Knapsack Ag Verfahren zur Stabilisierung von Dicalciumphosphatdihydrat
DE2456667A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calciumhydrogenphosphat-anhydrid gegen die umsetzung mit fluorionen
DE2456693A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calcium-hydrogenphosphat-anhydrid gegen die umsetzung mit fluorionen
DE2456692A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calciumhydrogenphosphat-dihydrat gegen hydrolyse
DE2456808A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calcium-hydrogenphosphat-anhydrid gegen die umsetzung mit fluorionen
DE2456787A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calciumhydrogenphosphat-dihydrat gegen hydrolyse
DE2456666A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calcium-hydrogenphosphat-dihydrat gegen hydrolyse

Also Published As

Publication number Publication date
CA1090531A (fr) 1980-12-02
DE2648061A1 (de) 1978-04-27
FR2368440A1 (fr) 1978-05-19
NL7711428A (nl) 1978-04-25
FR2368440B1 (fr) 1982-03-26
NL184943B (nl) 1989-07-17
GB1548465A (en) 1979-07-18
DE2648061C2 (de) 1982-11-04
NL184943C (nl) 1989-12-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HOECHST A.G.

Effective date: 19931031