MA20301A1 - Procede de preparation de solutions de phosphates alcalins pauvres en fluor. - Google Patents

Procede de preparation de solutions de phosphates alcalins pauvres en fluor.

Info

Publication number: MA20301A1
Authority: MA; Morocco
Prior art keywords: fluorine; solutions; preparation; low; alkaline phosphates
Prior art date: 1983-12-29

Application number

MA20525A

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.)

1983-12-29

Filing date

1984-12-14

Publication date

1985-07-01

1984-12-14 Application filed by Hoechst Ag filed Critical Hoechst Ag

1985-07-01 Publication of MA20301A1 publication Critical patent/MA20301A1/fr

Links

PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title 1
229910019142 PO4 Inorganic materials 0.000 title 1
229910052731 fluorine Inorganic materials 0.000 title 1
239000011737 fluorine Substances 0.000 title 1
235000021317 phosphate Nutrition 0.000 title 1
150000003013 phosphoric acid derivatives Chemical class 0.000 title 1

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
- C01B25/46—Preparation involving solvent-solvent extraction
- 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
- C01B25/30—Alkali metal phosphates
- C01B25/308—Methods for converting an alkali metal orthophosphate into another one; Purification; Decolorasing; Dehydrating; Drying

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Extraction Or Liquid Replacement (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

MA20525A 1983-12-29 1984-12-14 Procede de preparation de solutions de phosphates alcalins pauvres en fluor. MA20301A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19833347421 DE3347421A1 (de)	1983-12-29	1983-12-29	Verfahren zur herstellung von fluorarmen alkaliphosphatloesungen

Publications (1)

Publication Number	Publication Date
MA20301A1 true MA20301A1 (fr)	1985-07-01

Family

ID=6218363

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MA20525A MA20301A1 (fr)	1983-12-29	1984-12-14	Procede de preparation de solutions de phosphates alcalins pauvres en fluor.

Country Status (10)

Country	Link
US (1)	US4640824A (fr)
EP (1)	EP0149147B1 (fr)
JP (1)	JPS60155515A (fr)
BR (1)	BR8406767A (fr)
CA (1)	CA1244227A (fr)
DE (2)	DE3347421A1 (fr)
ES (1)	ES539180A0 (fr)
IL (1)	IL73824A (fr)
MA (1)	MA20301A1 (fr)
ZA (1)	ZA8410100B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4780295A (en) *	1987-07-06	1988-10-25	Fmc Corporation	Process for purifying phosphoric acid
GB9713149D0 (en)	1997-06-21	1997-08-27	Pfizer Ltd	Pharmaceutical formulations
EP2688565A1 (fr)	2011-03-23	2014-01-29	Semorex Technologies Ltd.	Traitement des troubles de la prolifération

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2053319A (en) *	1934-06-07	1936-09-08	Blockson Chemical Co	Purifying treatment for alkali metal phosphate solutions
FR2259787B1 (fr) *	1974-02-01	1977-09-16	Rhone Poulenc Ind
US4053561A (en) *	1975-08-14	1977-10-11	Stauffer Chemical Company	Removal of fluorine from phosphatic solutions

1983
- 1983-12-29 DE DE19833347421 patent/DE3347421A1/de not_active Withdrawn
1984
- 1984-12-12 EP EP84115285A patent/EP0149147B1/fr not_active Expired
- 1984-12-12 DE DE8484115285T patent/DE3477368D1/de not_active Expired
- 1984-12-14 IL IL73824A patent/IL73824A/xx unknown
- 1984-12-14 US US06/682,053 patent/US4640824A/en not_active Expired - Fee Related
- 1984-12-14 MA MA20525A patent/MA20301A1/fr unknown
- 1984-12-17 CA CA000470266A patent/CA1244227A/fr not_active Expired
- 1984-12-27 JP JP59274255A patent/JPS60155515A/ja active Granted
- 1984-12-28 BR BR8406767A patent/BR8406767A/pt not_active IP Right Cessation
- 1984-12-28 ZA ZA8410100A patent/ZA8410100B/xx unknown
- 1984-12-28 ES ES539180A patent/ES539180A0/es active Granted

Also Published As

Publication number	Publication date
ES8601067A1 (es)	1985-11-16
DE3347421A1 (de)	1985-07-11
ZA8410100B (en)	1985-09-25
EP0149147A3 (en)	1987-08-19
CA1244227A (fr)	1988-11-08
IL73824A0 (en)	1985-03-31
JPH0450248B2 (fr)	1992-08-13
BR8406767A (pt)	1985-10-22
DE3477368D1 (en)	1989-04-27
EP0149147A2 (fr)	1985-07-24
EP0149147B1 (fr)	1989-03-22
JPS60155515A (ja)	1985-08-15
ES539180A0 (es)	1985-11-16
IL73824A (en)	1988-06-30
US4640824A (en)	1987-02-03

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