DE2204929A1 - - Google Patents

Info

Publication number
DE2204929A1
DE2204929A1 DE19722204929 DE2204929A DE2204929A1 DE 2204929 A1 DE2204929 A1 DE 2204929A1 DE 19722204929 DE19722204929 DE 19722204929 DE 2204929 A DE2204929 A DE 2204929A DE 2204929 A1 DE2204929 A1 DE 2204929A1
Authority
DE
Germany
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.)
Granted
Application number
DE19722204929
Other languages
German (de)
Other versions
DE2204929B2 (de
DE2204929C2 (de
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
Priority to BE794584D priority Critical patent/BE794584A/xx
Application filed filed Critical
Priority to DE19722204929 priority patent/DE2204929C2/de
Priority claimed from DE19722204929 external-priority patent/DE2204929C2/de
Publication of DE2204929B2 publication Critical patent/DE2204929B2/de
Publication of DE2204929A1 publication Critical patent/DE2204929A1/de
Priority to IT7118172A priority patent/IT976266B/it
Priority to ES73411146A priority patent/ES411146A1/es
Application granted granted Critical
Publication of DE2204929C2 publication Critical patent/DE2204929C2/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
DE19722204929 1972-02-02 1972-02-02 Verfahren zur Reinigung von phosphoriger Rohsäure Expired DE2204929C2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE794584D BE794584A (fr) 1972-02-02 Procede pour l'epuration de l'acide phosphoreux
DE19722204929 DE2204929C2 (de) 1972-02-02 Verfahren zur Reinigung von phosphoriger Rohsäure
IT7118172A IT976266B (it) 1972-02-02 1972-12-29 Procedimento per la purificazione dell acido fosforoso
ES73411146A ES411146A1 (es) 1972-02-02 1973-01-31 Un procedimiento para la purificacion del acido fosforoso.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722204929 DE2204929C2 (de) 1972-02-02 Verfahren zur Reinigung von phosphoriger Rohsäure

Publications (3)

Publication Number Publication Date
DE2204929B2 DE2204929B2 (de) 1972-12-28
DE2204929A1 true DE2204929A1 (ja) 1972-12-28
DE2204929C2 DE2204929C2 (de) 1976-01-15

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4834960A (en) * 1987-05-02 1989-05-30 Hoechst Aktiengesellschaft Process for purifying phosphorous acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4834960A (en) * 1987-05-02 1989-05-30 Hoechst Aktiengesellschaft Process for purifying phosphorous acid

Also Published As

Publication number Publication date
BE794584A (fr) 1973-07-26
DE2204929B2 (de) 1972-12-28
ES411146A1 (es) 1976-03-16
IT976266B (it) 1974-08-20

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee