FR2194644A1 - - Google Patents

Info

Publication number
FR2194644A1
FR2194644A1 FR7303068A FR7303068A FR2194644A1 FR 2194644 A1 FR2194644 A1 FR 2194644A1 FR 7303068 A FR7303068 A FR 7303068A FR 7303068 A FR7303068 A FR 7303068A FR 2194644 A1 FR2194644 A1 FR 2194644A1
Authority
FR
France
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
FR7303068A
Other versions
FR2194644B1 (fr
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.)
Pennwalt Corp
Original Assignee
Pennwalt Corp
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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of FR2194644A1 publication Critical patent/FR2194644A1/fr
Application granted granted Critical
Publication of FR2194644B1 publication Critical patent/FR2194644B1/fr
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
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/64—Thiosulfates; Dithionites; Polythionates
    • C01B17/66—Dithionites or hydrosulfites (S2O42-)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR7303068A 1972-08-03 1973-01-29 Expired FR2194644B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00277706A US3826818A (en) 1972-08-03 1972-08-03 Method for making anhydrous alkali metal hydrosulfites

Publications (2)

Publication Number Publication Date
FR2194644A1 true FR2194644A1 (fr) 1974-03-01
FR2194644B1 FR2194644B1 (fr) 1977-12-30

Family

ID=23062025

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7303068A Expired FR2194644B1 (fr) 1972-08-03 1973-01-29

Country Status (8)

Country Link
US (1) US3826818A (fr)
JP (1) JPS4945898A (fr)
CA (1) CA976725A (fr)
DE (1) DE2260208A1 (fr)
FR (1) FR2194644B1 (fr)
GB (1) GB1411185A (fr)
IT (1) IT974488B (fr)
SE (1) SE369704B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1461785A (en) * 1973-03-30 1977-01-19 Boc Ltd Alkali metal dithionite manufacture
JPS53142398A (en) * 1977-05-17 1978-12-12 Mitsubishi Gas Chem Co Inc Production of dithionite
JPS5673602A (en) * 1979-11-22 1981-06-18 Korea Inst Sci & Tech Manufacture of sodium dithio acid anhydride
US4680136A (en) * 1985-05-07 1987-07-14 Stora Kopparbergs Bergslags Ab Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions

Also Published As

Publication number Publication date
CA976725A (en) 1975-10-28
FR2194644B1 (fr) 1977-12-30
IT974488B (it) 1974-06-20
GB1411185A (en) 1975-10-22
SE369704B (fr) 1974-09-16
JPS4945898A (fr) 1974-05-01
DE2260208A1 (de) 1974-02-14
US3826818A (en) 1974-07-30

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Legal Events

Date Code Title Description
ST Notification of lapse