FR630951A - Manufacturing process of active silicic acid - Google Patents

Manufacturing process of active silicic acid

Info

Publication number
FR630951A
FR630951A FR630951DA FR630951A FR 630951 A FR630951 A FR 630951A FR 630951D A FR630951D A FR 630951DA FR 630951 A FR630951 A FR 630951A
Authority
FR
France
Prior art keywords
manufacturing process
silicic acid
active silicic
active
acid
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
Other languages
French (fr)
Inventor
Wilhelm Bachmann
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 FR630951A publication Critical patent/FR630951A/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
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152—Preparation of hydrogels
    • C01B33/1525—Preparation of hydrogels from or via fluosilicic acid or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152—Preparation of hydrogels
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
    • C01B33/184—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane by hydrolysis of tetrafluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
FR630951D 1926-03-18 1927-03-16 Manufacturing process of active silicic acid Expired FR630951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT267907X 1926-03-18

Publications (1)

Publication Number Publication Date
FR630951A true FR630951A (en) 1927-12-12

Family

ID=3670464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR630951D Expired FR630951A (en) 1926-03-18 1927-03-16 Manufacturing process of active silicic acid

Country Status (3)

Country Link
BE (1) BE340436A (en)
FR (1) FR630951A (en)
GB (1) GB267907A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1021339B (en) * 1955-03-30 1957-12-27 Columbian Carbon Process for the production of a mixture of silicon tetrafluoride and water vapor
DE1176104B (en) * 1959-11-03 1964-08-20 Nobel Bozel Process for the production of pure, finely divided silica

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1021339B (en) * 1955-03-30 1957-12-27 Columbian Carbon Process for the production of a mixture of silicon tetrafluoride and water vapor
DE1176104B (en) * 1959-11-03 1964-08-20 Nobel Bozel Process for the production of pure, finely divided silica

Also Published As

Publication number Publication date
GB267907A (en) 1928-05-10
BE340436A (en)

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