FR2139864A1 - - Google Patents

Info

Publication number
FR2139864A1
FR2139864A1 FR7216207A FR7216207A FR2139864A1 FR 2139864 A1 FR2139864 A1 FR 2139864A1 FR 7216207 A FR7216207 A FR 7216207A FR 7216207 A FR7216207 A FR 7216207A FR 2139864 A1 FR2139864 A1 FR 2139864A1
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.)
Withdrawn
Application number
FR7216207A
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2139864A1 publication Critical patent/FR2139864A1/fr
Withdrawn legal-status Critical Current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
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
FR7216207A 1971-05-05 1972-05-05 Withdrawn FR2139864A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14056971A 1971-05-05 1971-05-05

Publications (1)

Publication Number Publication Date
FR2139864A1 true FR2139864A1 (fr) 1973-01-12

Family

ID=22491843

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216207A Withdrawn FR2139864A1 (fr) 1971-05-05 1972-05-05

Country Status (7)

Country Link
US (1) US3787561A (fr)
AU (1) AU3621971A (fr)
CA (1) CA975930A (fr)
DE (1) DE2221721A1 (fr)
FR (1) FR2139864A1 (fr)
GB (1) GB1358521A (fr)
IT (1) IT955000B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017178716A1 (fr) * 2016-04-14 2017-10-19 François Parmentier Procede de synthese d'un oxyde mineral au moyen d'un acide organique insoluble dans l'eau
FR3050195A1 (fr) * 2016-04-14 2017-10-20 Francois Parmentier Procede de synthese d'un oxyde mineral au moyen d'un acide organique insoluble dans l'eau

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049781A (en) * 1973-11-02 1977-09-20 W. R. Grace & Co. Method of preparing loosely aggregated 200-500 millimicron silica
US4127641A (en) * 1975-12-10 1978-11-28 Joseph Crosfield And Sons Limited Process for the preparation of precipitated silicas having morphology similar to pyrogenic silicas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017178716A1 (fr) * 2016-04-14 2017-10-19 François Parmentier Procede de synthese d'un oxyde mineral au moyen d'un acide organique insoluble dans l'eau
FR3050195A1 (fr) * 2016-04-14 2017-10-20 Francois Parmentier Procede de synthese d'un oxyde mineral au moyen d'un acide organique insoluble dans l'eau
CN109415215A (zh) * 2016-04-14 2019-03-01 弗朗索瓦·帕尔芒捷 一种不溶于水的有机酸合成矿物氧化物的方法

Also Published As

Publication number Publication date
DE2221721A1 (de) 1972-11-09
AU3621971A (en) 1973-05-31
CA975930A (en) 1975-10-14
IT955000B (it) 1973-09-15
US3787561A (en) 1974-01-22
GB1358521A (en) 1974-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse