DE3278717D1 - Preparation of white calcium phosphates from offcolored lime - Google Patents

Preparation of white calcium phosphates from offcolored lime

Info

Publication number
DE3278717D1
DE3278717D1 DE8282110056T DE3278717T DE3278717D1 DE 3278717 D1 DE3278717 D1 DE 3278717D1 DE 8282110056 T DE8282110056 T DE 8282110056T DE 3278717 T DE3278717 T DE 3278717T DE 3278717 D1 DE3278717 D1 DE 3278717D1
Authority
DE
Germany
Prior art keywords
lime
offcolored
preparation
calcium phosphates
white calcium
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
Application number
DE8282110056T
Other languages
English (en)
Inventor
Theodore Fegley Munday
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Application granted granted Critical
Publication of DE3278717D1 publication Critical patent/DE3278717D1/de
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Catalysts (AREA)
  • Paper (AREA)
DE8282110056T 1981-12-23 1982-10-31 Preparation of white calcium phosphates from offcolored lime Expired DE3278717D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33395481A 1981-12-23 1981-12-23

Publications (1)

Publication Number Publication Date
DE3278717D1 true DE3278717D1 (en) 1988-08-04

Family

ID=23304934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282110056T Expired DE3278717D1 (en) 1981-12-23 1982-10-31 Preparation of white calcium phosphates from offcolored lime

Country Status (7)

Country Link
EP (1) EP0086876B1 (de)
JP (1) JPS58110409A (de)
AT (1) ATE35407T1 (de)
BR (1) BR8207122A (de)
CA (1) CA1187675A (de)
DE (1) DE3278717D1 (de)
ES (1) ES516559A0 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19645931A1 (de) * 1996-11-07 1998-05-14 Budenheim Rud A Oetker Chemie Anreicherung von Getränken mit Calcium

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE593370C (de) * 1931-11-05 1934-02-24 Chem Fab Budenheim Akt Ges Reinigung der durch sauren Aufschluss von Rohphosphaten erhaltenen Rohphosphorsaeure
US4209497A (en) * 1975-12-29 1980-06-24 Stauffer Chemical Company Preparation of detergent grade sodium tripolyphosphate from wet process phosphoric acid and soda ash

Also Published As

Publication number Publication date
ES8307663A1 (es) 1983-08-16
CA1187675A (en) 1985-05-28
BR8207122A (pt) 1983-10-11
JPS58110409A (ja) 1983-07-01
EP0086876A3 (en) 1985-11-06
EP0086876A2 (de) 1983-08-31
EP0086876B1 (de) 1988-06-29
JPS6310089B2 (de) 1988-03-03
ATE35407T1 (de) 1988-07-15
ES516559A0 (es) 1983-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee