NL7501173A - PROCESS FOR PREPARING VERY PURE R-ACID SOLUTIONS FROM IMPURE RACID ALONG THE WET ROAD. - Google Patents

PROCESS FOR PREPARING VERY PURE R-ACID SOLUTIONS FROM IMPURE RACID ALONG THE WET ROAD.

Info

Publication number: NL7501173A
Authority: NL; Netherlands
Prior art keywords: racid; impure; pure; preparing; along
Prior art date: 1974-02-01

Application number

NL7501173A

Other languages

Dutch (nl)

Original Assignee

Rhone Poulenc Ind

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.)

1974-02-01

Filing date

1975-01-31

Publication date

1975-08-05

1975-01-31 Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind

1975-08-05 Publication of NL7501173A publication Critical patent/NL7501173A/en

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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration

Landscapes

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

NL7501173A 1974-02-01 1975-01-31 PROCESS FOR PREPARING VERY PURE R-ACID SOLUTIONS FROM IMPURE RACID ALONG THE WET ROAD. NL7501173A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7403399A FR2259787B1 (en)	1974-02-01	1974-02-01

Publications (1)

Publication Number	Publication Date
NL7501173A true NL7501173A (en)	1975-08-05

Family

ID=9134358

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7501173A NL7501173A (en)	1974-02-01	1975-01-31	PROCESS FOR PREPARING VERY PURE R-ACID SOLUTIONS FROM IMPURE RACID ALONG THE WET ROAD.

Country Status (11)

Country	Link
JP (1)	JPS50123595A (en)
BE (1)	BE825085A (en)
CA (1)	CA1043535A (en)
DD (1)	DD116446A5 (en)
DE (1)	DE2503843B2 (en)
ES (1)	ES434309A1 (en)
FR (1)	FR2259787B1 (en)
GB (1)	GB1472970A (en)
IE (1)	IE40576B1 (en)
IT (1)	IT1029423B (en)
NL (1)	NL7501173A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2657189B2 (en) *	1976-12-17	1980-02-07	Hoechst Ag, 6000 Frankfurt	Process for the purification of NaB process phosphoric acid
US4197280A (en) *	1978-10-02	1980-04-08	Stauffer Chemical Company	Wet process phosphoric acid purification
IL69426A (en) *	1983-08-03	1986-10-31	Negev Phosphates Ltd	Process for the manufacture of purified phosphoric acid
DE3347421A1 (en) *	1983-12-29	1985-07-11	Hoechst Ag, 6230 Frankfurt	METHOD FOR PRODUCING LOW FLUORINE ALKALIPHOSPHATE SOLUTIONS

1974
- 1974-02-01 FR FR7403399A patent/FR2259787B1/fr not_active Expired
1975
- 1975-01-30 DE DE19752503843 patent/DE2503843B2/en not_active Ceased
- 1975-01-31 DD DD18394175A patent/DD116446A5/xx unknown
- 1975-01-31 IE IE19775A patent/IE40576B1/en unknown
- 1975-01-31 IT IT4794875A patent/IT1029423B/en active
- 1975-01-31 BE BE152973A patent/BE825085A/en unknown
- 1975-01-31 CA CA219,158A patent/CA1043535A/en not_active Expired
- 1975-01-31 JP JP1326775A patent/JPS50123595A/ja active Pending
- 1975-01-31 ES ES434309A patent/ES434309A1/en not_active Expired
- 1975-01-31 NL NL7501173A patent/NL7501173A/en not_active Application Discontinuation
- 1975-01-31 GB GB433675A patent/GB1472970A/en not_active Expired

Also Published As

Publication number	Publication date
IE40576L (en)	1975-08-01
FR2259787B1 (en)	1977-09-16
JPS50123595A (en)	1975-09-29
ES434309A1 (en)	1976-11-16
DD116446A5 (en)	1975-11-20
IE40576B1 (en)	1979-07-04
IT1029423B (en)	1979-03-10
DE2503843A1 (en)	1975-08-07
CA1043535A (en)	1978-12-05
AU7777475A (en)	1976-08-05
DE2503843B2 (en)	1979-08-02
GB1472970A (en)	1977-05-11
FR2259787A1 (en)	1975-08-29
BE825085A (en)	1975-07-31

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Legal Events

Date	Code	Title	Description
1979-11-26	BV	The patent application has lapsed