NL7201420A - - Google Patents

Info

Publication number
NL7201420A
NL7201420A NL7201420A NL7201420A NL7201420A NL 7201420 A NL7201420 A NL 7201420A NL 7201420 A NL7201420 A NL 7201420A NL 7201420 A NL7201420 A NL 7201420A NL 7201420 A NL7201420 A NL 7201420A
Authority
NL
Netherlands
Application number
NL7201420A
Other versions
NL175984C (nl
NL175984B (nl
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
Publication of NL7201420A publication Critical patent/NL7201420A/xx
Publication of NL175984B publication Critical patent/NL175984B/xx
Application granted granted Critical
Publication of NL175984C publication Critical patent/NL175984C/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Silicon Compounds (AREA)
NL7201420A 1971-05-11 1972-02-03 Werkwijze ter bereiding van fijn verdeeld siliciumdioxyde. NL175984C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712123233 DE2123233C3 (de) 1971-05-11 1971-05-11 Feinteiliges grossoberflaechiges siliciumdioxid

Publications (3)

Publication Number Publication Date
NL7201420A true NL7201420A (ja) 1972-11-14
NL175984B NL175984B (nl) 1984-09-03
NL175984C NL175984C (nl) 1985-02-01

Family

ID=5807495

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7201420A NL175984C (nl) 1971-05-11 1972-02-03 Werkwijze ter bereiding van fijn verdeeld siliciumdioxyde.

Country Status (7)

Country Link
JP (1) JPS535636B1 (ja)
BE (1) BE783326A (ja)
DE (1) DE2123233C3 (ja)
FR (1) FR2137479B1 (ja)
GB (1) GB1394116A (ja)
NL (1) NL175984C (ja)
SU (1) SU457208A3 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016010C2 (de) * 1980-04-25 1985-01-10 Degussa Ag, 6000 Frankfurt Verfahren zur pyrogenen Herstellung von Kieselsäure
US5340560A (en) * 1993-04-30 1994-08-23 General Electric Company Method for making fumed silica having a reduced aggregate size and product
DE10135452A1 (de) * 2001-07-20 2003-02-06 Degussa Pyrogen hergestellte Aluminium-Silicium-Mischoxide
EP4291528A1 (en) 2021-02-11 2023-12-20 Evonik Operations GmbH Fumed silica powder with reduced silanol group density

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE900339C (de) * 1951-07-05 1953-12-21 Degussa Verfahren und Vorrichtung zur Herstellung von kolloidaler Kieselsaeure in Aerogelform

Also Published As

Publication number Publication date
FR2137479B1 (ja) 1975-03-21
FR2137479A1 (ja) 1972-12-29
NL175984C (nl) 1985-02-01
NL175984B (nl) 1984-09-03
SU457208A3 (ru) 1975-01-15
JPS535636B1 (ja) 1978-03-01
GB1394116A (en) 1975-05-14
DE2123233B2 (de) 1977-03-03
DE2123233C3 (de) 1977-10-13
DE2123233A1 (de) 1972-11-30
BE783326A (fr) 1972-09-01

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: DEGUSSA AKTIENGESELLSCHAFT

A85 Still pending on 85-01-01
V4 Lapsed because of reaching the maxim lifetime of a patent