FR1550769A - - Google Patents

Info

Publication number
FR1550769A
FR1550769A FR1550769DA FR1550769A FR 1550769 A FR1550769 A FR 1550769A FR 1550769D A FR1550769D A FR 1550769DA FR 1550769 A FR1550769 A FR 1550769A
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.)
Expired
Application number
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1550769A publication Critical patent/FR1550769A/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
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/06—Solidifying liquids
    • 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
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/46—Purification; Separation ; Stabilisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
FR1550769D 1967-01-09 1968-01-09 Expired FR1550769A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60791767A 1967-01-09 1967-01-09

Publications (1)

Publication Number Publication Date
FR1550769A true FR1550769A (en) 1968-12-20

Family

ID=24434240

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1550769D Expired FR1550769A (en) 1967-01-09 1968-01-09

Country Status (4)

Country Link
DE (1) DE1619776A1 (en)
FR (1) FR1550769A (en)
GB (1) GB1176123A (en)
NL (1) NL6800048A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2123477A1 (en) * 1971-01-27 1972-09-08 Chinoin Gyogyszer Es Vegyeszet
EP0061298A1 (en) * 1981-03-19 1982-09-29 Brent Chemicals International Plc Method of removing scale
EP0454881A1 (en) * 1987-03-26 1991-11-06 The Dow Chemical Company Controlled-release compositions for acids

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2123477A1 (en) * 1971-01-27 1972-09-08 Chinoin Gyogyszer Es Vegyeszet
EP0061298A1 (en) * 1981-03-19 1982-09-29 Brent Chemicals International Plc Method of removing scale
EP0454881A1 (en) * 1987-03-26 1991-11-06 The Dow Chemical Company Controlled-release compositions for acids
AU634539B2 (en) * 1987-03-26 1993-02-25 Dow Chemical Company, The Controlled-release compositions for acids

Also Published As

Publication number Publication date
GB1176123A (en) 1970-01-01
DE1619776A1 (en) 1971-06-09
NL6800048A (en) 1968-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse