FR1387656A - Improvements in the production of chromium sesquioxide - Google Patents

Improvements in the production of chromium sesquioxide

Info

Publication number
FR1387656A
FR1387656A FR269272A FR269272A FR1387656A FR 1387656 A FR1387656 A FR 1387656A FR 269272 A FR269272 A FR 269272A FR 269272 A FR269272 A FR 269272A FR 1387656 A FR1387656 A FR 1387656A
Authority
FR
France
Prior art keywords
production
chromium sesquioxide
sesquioxide
chromium
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
FR269272A
Other languages
French (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.)
Associated Chemical Companies Ltd
Original Assignee
Associated Chemical Companies Ltd
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 GB1304763A external-priority patent/GB1038773A/en
Application filed by Associated Chemical Companies Ltd filed Critical Associated Chemical Companies Ltd
Priority to FR269272A priority Critical patent/FR1387656A/en
Application granted granted Critical
Publication of FR1387656A publication Critical patent/FR1387656A/en
Priority claimed from GB2684765A external-priority patent/GB1041508A/en
Priority to FR39206A priority patent/FR89131E/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
    • C01B25/26—Phosphates
    • C01B25/38—Condensed phosphates
    • C01B25/42—Pyrophosphates
    • 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
    • C01B25/26—Phosphates
    • C01B25/37—Phosphates of heavy metals
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR269272A 1963-04-02 1964-04-01 Improvements in the production of chromium sesquioxide Expired FR1387656A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR269272A FR1387656A (en) 1963-04-02 1964-04-01 Improvements in the production of chromium sesquioxide
FR39206A FR89131E (en) 1963-04-02 1965-11-22 Improvements in the production of chromium sesquioxide

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1304763A GB1038773A (en) 1963-04-02 1963-04-02 Improvements relating to the production of chromic oxide
FR269272A FR1387656A (en) 1963-04-02 1964-04-01 Improvements in the production of chromium sesquioxide
GB2684765A GB1041508A (en) 1965-06-24 1965-06-24 Improvements relating to the production of chromium phosphates

Publications (1)

Publication Number Publication Date
FR1387656A true FR1387656A (en) 1965-01-29

Family

ID=32683882

Family Applications (2)

Application Number Title Priority Date Filing Date
FR269272A Expired FR1387656A (en) 1963-04-02 1964-04-01 Improvements in the production of chromium sesquioxide
FR39206A Expired FR89131E (en) 1963-04-02 1965-11-22 Improvements in the production of chromium sesquioxide

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR39206A Expired FR89131E (en) 1963-04-02 1965-11-22 Improvements in the production of chromium sesquioxide

Country Status (1)

Country Link
FR (2) FR1387656A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2030510A1 (en) * 1970-06-20 1971-12-30 Bayer Process for the production of low-sulfur chromium (III) oxide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2030510A1 (en) * 1970-06-20 1971-12-30 Bayer Process for the production of low-sulfur chromium (III) oxide

Also Published As

Publication number Publication date
FR89131E (en) 1967-05-12

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