FR2200197A1 - - Google Patents

Info

Publication number
FR2200197A1
FR2200197A1 FR7333093A FR7333093A FR2200197A1 FR 2200197 A1 FR2200197 A1 FR 2200197A1 FR 7333093 A FR7333093 A FR 7333093A FR 7333093 A FR7333093 A FR 7333093A FR 2200197 A1 FR2200197 A1 FR 2200197A1
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Withdrawn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
FR7333093A
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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Publication of FR2200197A1 publication Critical patent/FR2200197A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
    • B01J12/002—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor carried out in the plasma state
    • 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
    • C01B33/182—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by reduction of a siliceous material, e.g. with a carbonaceous reducing agent and subsequent oxidation of the silicon monoxide formed
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
    • 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
FR7333093A 1972-09-15 1973-09-14 Withdrawn FR2200197A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1352672A CH569670A5 (fr) 1972-09-15 1972-09-15

Publications (1)

Publication Number Publication Date
FR2200197A1 true FR2200197A1 (fr) 1974-04-19

Family

ID=4393185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7333093A Withdrawn FR2200197A1 (fr) 1972-09-15 1973-09-14

Country Status (10)

Country Link
JP (1) JPS4969582A (fr)
BE (1) BE804765A (fr)
CA (1) CA999721A (fr)
CH (1) CH569670A5 (fr)
DE (1) DE2337495A1 (fr)
FR (1) FR2200197A1 (fr)
GB (1) GB1401408A (fr)
IT (1) IT999560B (fr)
NL (1) NL7312575A (fr)
SE (1) SE388189B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904199A1 (de) * 1979-02-05 1980-08-07 Degussa Verfahren zur gelenkten herstellung von kieselsaeure mittels flammenhydrolyse

Also Published As

Publication number Publication date
GB1401408A (en) 1975-07-16
DE2337495A1 (de) 1974-03-28
SE388189B (sv) 1976-09-27
JPS4969582A (fr) 1974-07-05
IT999560B (it) 1976-03-10
CA999721A (en) 1976-11-16
CH569670A5 (fr) 1975-11-28
NL7312575A (fr) 1974-03-19
BE804765A (fr) 1974-01-02

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Legal Events

Date Code Title Description
ST Notification of lapse