CH584653A5 - - Google Patents

Info

Publication number
CH584653A5
CH584653A5 CH1879272A CH1879272A CH584653A5 CH 584653 A5 CH584653 A5 CH 584653A5 CH 1879272 A CH1879272 A CH 1879272A CH 1879272 A CH1879272 A CH 1879272A CH 584653 A5 CH584653 A5 CH 584653A5
Authority
CH
Switzerland
Application number
CH1879272A
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
Priority claimed from DE19722200653 external-priority patent/DE2200653C3/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of CH584653A5 publication Critical patent/CH584653A5/xx

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)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
CH1879272A 1972-01-07 1972-12-22 CH584653A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722200653 DE2200653C3 (de) 1972-01-07 Verfahren und Vorrichtung zur Herstellung von phosphoriger Säure

Publications (1)

Publication Number Publication Date
CH584653A5 true CH584653A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-02-15

Family

ID=5832494

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1879272A CH584653A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-01-07 1972-12-22

Country Status (8)

Country Link
US (1) US3859419A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE793712A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA983669A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH584653A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2167704B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1374545A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT976757B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL174133C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714657A1 (de) * 1987-05-02 1988-11-10 Hoechst Ag Verfahren zur reinigung von phosphoriger saeure
AU1052095A (en) * 1993-11-10 1995-05-29 E.I. Du Pont De Nemours And Company Process for the preparation of phosphorous acid/carboxylic acid mixed anhydrides and anhydrous phosphorous acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670274A (en) * 1951-10-25 1954-02-23 Monsanto Chemicals Method of producing orthophosphoric acid
DE1206406B (de) * 1964-09-19 1965-12-09 Knapsack Ag Verfahren zur Herstellung von phosphoriger Saeure

Also Published As

Publication number Publication date
NL174133C (nl) 1984-05-01
NL174133B (nl) 1983-12-01
FR2167704B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-05-14
IT976757B (it) 1974-09-10
BE793712A (fr) 1973-07-05
FR2167704A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-08-24
CA983669A (en) 1976-02-17
DE2200653A1 (de) 1973-07-19
DE2200653B2 (de) 1977-06-23
NL7300137A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-07-10
US3859419A (en) 1975-01-07
GB1374545A (en) 1974-11-20

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased