FR2101652A5 - - Google Patents

Info

Publication number
FR2101652A5
FR2101652A5 FR7125656A FR7125656A FR2101652A5 FR 2101652 A5 FR2101652 A5 FR 2101652A5 FR 7125656 A FR7125656 A FR 7125656A FR 7125656 A FR7125656 A FR 7125656A FR 2101652 A5 FR2101652 A5 FR 2101652A5
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
FR7125656A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR2101652A5 publication Critical patent/FR2101652A5/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
    • 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
    • C01B33/146—After-treatment of sols
    • C01B33/148—Concentration; Drying; Dehydration; Stabilisation; Purification
    • 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
    • C01B33/141—Preparation of hydrosols or aqueous dispersions
    • C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
    • C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
FR7125656A 1970-07-14 1971-07-13 Expired FR2101652A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5486470A 1970-07-14 1970-07-14

Publications (1)

Publication Number Publication Date
FR2101652A5 true FR2101652A5 (fr) 1972-03-31

Family

ID=21993998

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7125656A Expired FR2101652A5 (fr) 1970-07-14 1971-07-13

Country Status (5)

Country Link
AU (1) AU466368B2 (fr)
CA (1) CA952394A (fr)
DE (1) DE2134974A1 (fr)
FR (1) FR2101652A5 (fr)
GB (1) GB1348705A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4216119C2 (de) * 1992-05-15 1995-08-10 Bayer Ag Verfahren zur Herstellung und Konzentrierung von Kieselsolen
DE4219764A1 (de) * 1992-06-17 1993-12-23 Bayer Ag Cyclopolymerisierbare Fluorverbindungen, Verfahren zu deren Herstellung und daraus erhältliche thermoplastische Fluorpolymere

Also Published As

Publication number Publication date
AU466368B2 (en) 1975-10-30
GB1348705A (en) 1974-03-20
CA952394A (en) 1974-08-06
DE2134974A1 (de) 1972-01-20
AU3117071A (en) 1973-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse