CA968925A - Process for the manufacture of hypophosphites - Google Patents

Process for the manufacture of hypophosphites

Info

Publication number
CA968925A
CA968925A CA142,245A CA142245A CA968925A CA 968925 A CA968925 A CA 968925A CA 142245 A CA142245 A CA 142245A CA 968925 A CA968925 A CA 968925A
Authority
CA
Canada
Prior art keywords
hypophosphites
manufacture
Prior art date
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.)
Expired
Application number
CA142,245A
Other languages
English (en)
Other versions
CA142245S (en
Inventor
Wolfgang Scheibitz
Horst Staendeke
Siegfried Burkhardt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
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
Application filed by Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA968925A publication Critical patent/CA968925A/en
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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
CA142,245A 1971-05-24 1972-05-16 Process for the manufacture of hypophosphites Expired CA968925A (en)

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
CA968925A true CA968925A (en) 1975-06-10

Family

ID=5808709

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142,245A Expired CA968925A (en) 1971-05-24 1972-05-16 Process for the manufacture of 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
US9976010B2 (en) 2012-04-06 2018-05-22 Rhodia Operations Process for the production of hypophosphite salts

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
NL7206845A (de) 1972-11-28
DE2125587B2 (de) 1974-01-17
SE364695B (de) 1974-03-04
BE783762A (fr) 1972-11-20
DE2125587A1 (de) 1972-12-07
GB1371566A (en) 1974-10-23
US3888971A (en) 1975-06-10
DE2125587C3 (de) 1974-08-15
FR2139000B1 (de) 1980-10-17
FR2139000A1 (de) 1973-01-05
CH581074A5 (de) 1976-10-29
IT957992B (it) 1973-10-20

Similar Documents

Publication Publication Date Title
CA982558A (en) Process for the manufacture of polythiobisphenols
CA1014146A (en) Process for the preparation of desacetoxycephalosporins
CA926871A (en) Process for the manufacture of benzylphosphonates
CA968925A (en) Process for the manufacture of hypophosphites
CA1008464A (en) Process for the production of dichloroacetoxypropane
AU464986B2 (en) Process for the preparation of methylcobalamine
CA972763A (en) Process for the production of cyanoacetylcarbamates
CA989840A (en) Process for the preparation of benzylpyrimidines
CA956320A (en) Process for the preparation of 1-monosubstituted-carbamoyl-2-benzimidazolyl-carbamates
CA979019A (en) Process for the preparation of dimethyldecalins
CA964661A (en) Process for the production of certain substituted pyrroline-5-ones
CA943972A (en) Process for the manufacture of m-chloronitrobenzene
CA979903A (en) Process for the production of morpholinodithiothiazoles
CA886087A (en) Process for the production of pipe
CA942306A (en) Process for the preparation of 1-transcinnamyl-4-diphenylmethylpiperazine
AU465178B2 (en) Process for the preparation of dea-steroids
CA991639A (en) Process for the production of new triazolobenzodiazepines
CA884333A (en) Process for the manufacture of 6-nitro-9-amino-2-ethoxy-acridine
CA867374A (en) Process for the manufacture of phenoxy-acids
CA873870A (en) Process for the manufacture of 3-formylrifamycin-sv
CA875556A (en) Process for the manufacture of n-carbamoyloxyphenyl-carbamates
CA877957A (en) Process for the manufacture of 1-amino-2-hydroxyalkoxy-4-hydroxy-anthraquinones
CA881524A (en) Process for the manufacture of oxazaheterocycles
CA876736A (en) Process for the production of acylisocyanates
CA872827A (en) Process for the production of 2-acyloxy-thionobenzamides