BE783762A - Procede de preparation d'hypophosphites - Google Patents

Procede de preparation d'hypophosphites

Info

Publication number
BE783762A
BE783762A BE783762A BE783762A BE783762A BE 783762 A BE783762 A BE 783762A BE 783762 A BE783762 A BE 783762A BE 783762 A BE783762 A BE 783762A BE 783762 A BE783762 A BE 783762A
Authority
BE
Belgium
Prior art keywords
hypophosphites
preparation process
preparation
hypophosphites preparation
Prior art date
Application number
BE783762A
Other languages
English (en)
French (fr)
Original Assignee
Knapsack 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
Application filed by Knapsack Ag filed Critical Knapsack Ag
Publication of BE783762A publication Critical patent/BE783762A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
BE783762A 1971-05-24 1972-05-19 Procede de preparation d'hypophosphites BE783762A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2125587A DE2125587C3 (de) 1971-05-24 1971-05-24 Verfahren zur Herstellung von Hypophosphiten

Publications (1)

Publication Number Publication Date
BE783762A true BE783762A (fr) 1972-11-20

Family

ID=5808709

Family Applications (1)

Application Number Title Priority Date Filing Date
BE783762A BE783762A (fr) 1971-05-24 1972-05-19 Procede de preparation d'hypophosphites

Country Status (10)

Country Link
US (1) US3888971A (de)
BE (1) BE783762A (de)
CA (1) CA968925A (de)
CH (1) CH581074A5 (de)
DE (1) DE2125587C3 (de)
FR (1) FR2139000B1 (de)
GB (1) GB1371566A (de)
IT (1) IT957992B (de)
NL (1) NL7206845A (de)
SE (1) SE364695B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549084C3 (de) * 1975-11-03 1981-04-30 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Phosphin
DE2632316C3 (de) * 1976-07-17 1981-12-24 Hoechst Ag, 6000 Frankfurt Verfahren zur kontinuierlichen Herstellung von Phosphin
DE2840147A1 (de) * 1978-09-15 1980-03-27 Hoechst Ag Verfahren zur kontinuierlichen herstellung von phosphan
DE3207716A1 (de) * 1982-03-04 1983-09-08 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von alkalihypophosphit-loesungen
JPH07110764B2 (ja) * 1990-05-30 1995-11-29 燐化学工業株式会社 アルカリ金属次亜リン酸塩の製造方法
JPH088301B2 (ja) * 1990-06-07 1996-01-29 株式会社東芝 半導体装置の製造方法
FR2739372B1 (fr) * 1995-09-29 1997-10-31 Cesa Sa Procede de preparation d'hypophosphite de nickel
JP5992601B2 (ja) * 2012-04-06 2016-09-14 ローディア オペレーションズ 次亜リン酸塩の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH322980A (fr) * 1955-07-30 1957-07-15 Fonte Electr S A Procédé pour la préparation d'hypophosphites par traitement de phosphore en milieu alcalin.
CH322981A (fr) * 1956-09-10 1957-07-15 Fonte Electr S A Procédé pour la préparation d'hypophosphites.
CH360378A (fr) * 1957-06-18 1962-02-28 Fonte Electr S A Procédé de purification d'une solution d'hypophosphite alcalin contenant comme impureté un phosphite alcalin
US2977192A (en) * 1958-08-26 1961-03-28 Fmc Corp Process for the production of phosphine and sodium hypophosphite
US3378342A (en) * 1964-12-21 1968-04-16 Monsanto Co Process for preparing phosphites

Also Published As

Publication number Publication date
DE2125587C3 (de) 1974-08-15
GB1371566A (en) 1974-10-23
US3888971A (en) 1975-06-10
SE364695B (de) 1974-03-04
FR2139000A1 (de) 1973-01-05
FR2139000B1 (de) 1980-10-17
CH581074A5 (de) 1976-10-29
DE2125587B2 (de) 1974-01-17
IT957992B (it) 1973-10-20
NL7206845A (de) 1972-11-28
CA968925A (en) 1975-06-10
DE2125587A1 (de) 1972-12-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: KNAPSACK A.G.

Effective date: 19840519