ZA905146B - Controlled porosity silica and its production - Google Patents

Controlled porosity silica and its production

Info

Publication number
ZA905146B
ZA905146B ZA905146A ZA905146A ZA905146B ZA 905146 B ZA905146 B ZA 905146B ZA 905146 A ZA905146 A ZA 905146A ZA 905146 A ZA905146 A ZA 905146A ZA 905146 B ZA905146 B ZA 905146B
Authority
ZA
South Africa
Prior art keywords
production
controlled porosity
silica
porosity silica
specific surface
Prior art date
Application number
ZA905146A
Other languages
English (en)
Inventor
Jacques Persello
Persello Jacques
Original Assignee
Rhone Poulenc Chimie
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9383384&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA905146(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of ZA905146B publication Critical patent/ZA905146B/xx

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
    • 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
    • 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
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 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
    • 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
    • C01P2006/16—Pore diameter
    • 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
    • C01P2006/19—Oil-absorption capacity, e.g. DBP values
    • 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
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content
    • 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
    • C01P2006/90—Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Glass Compositions (AREA)
  • Silicon Polymers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
ZA905146A 1989-07-03 1990-07-02 Controlled porosity silica and its production ZA905146B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8908874A FR2649089B1 (fr) 1989-07-03 1989-07-03 Silice a porosite controlee et son procede d'obtention

Publications (1)

Publication Number Publication Date
ZA905146B true ZA905146B (en) 1991-04-24

Family

ID=9383384

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA905146A ZA905146B (en) 1989-07-03 1990-07-02 Controlled porosity silica and its production

Country Status (17)

Country Link
US (2) US5342598A (fi)
EP (1) EP0407262B1 (fi)
JP (1) JPH0649571B2 (fi)
KR (1) KR930002230B1 (fi)
CN (1) CN1023106C (fi)
AT (1) ATE106065T1 (fi)
AU (1) AU633595B2 (fi)
BR (1) BR9003128A (fi)
CA (1) CA2020131C (fi)
DE (1) DE69009110T2 (fi)
DK (1) DK0407262T3 (fi)
ES (1) ES2057468T3 (fi)
FI (1) FI93824C (fi)
FR (1) FR2649089B1 (fi)
MA (1) MA21892A1 (fi)
NO (1) NO302165B1 (fi)
ZA (1) ZA905146B (fi)

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US5614177A (en) * 1987-11-04 1997-03-25 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
US5286478A (en) * 1987-11-04 1994-02-15 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
FR2649089B1 (fr) * 1989-07-03 1991-12-13 Rhone Poulenc Chimie Silice a porosite controlee et son procede d'obtention

Also Published As

Publication number Publication date
NO902953L (no) 1991-01-04
FI93824C (fi) 1995-06-12
FR2649089B1 (fr) 1991-12-13
ATE106065T1 (de) 1994-06-15
KR930002230B1 (ko) 1993-03-27
DE69009110D1 (de) 1994-06-30
ES2057468T3 (es) 1994-10-16
JPH0649571B2 (ja) 1994-06-29
DE69009110T2 (de) 1994-09-01
BR9003128A (pt) 1991-08-27
MA21892A1 (fr) 1990-12-31
CN1048530A (zh) 1991-01-16
DK0407262T3 (da) 1994-07-04
FI93824B (fi) 1995-02-28
NO902953D0 (no) 1990-07-02
NO302165B1 (no) 1998-02-02
CA2020131C (fr) 1999-07-06
CN1023106C (zh) 1993-12-15
US5342598A (en) 1994-08-30
JPH0345511A (ja) 1991-02-27
EP0407262B1 (fr) 1994-05-25
KR910002714A (ko) 1991-02-26
EP0407262A1 (fr) 1991-01-09
FI903335A0 (fi) 1990-07-02
CA2020131A1 (fr) 1991-01-04
FR2649089A1 (fr) 1991-01-04
US5968470A (en) 1999-10-19
AU5806590A (en) 1991-01-03
AU633595B2 (en) 1993-02-04

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