FR1458298A -
Process for the preparation of finely divided oxides, as well as oxides according to those obtained by the present process or similar process
- Google Patents
Process for the preparation of finely divided oxides, as well as oxides according to those obtained by the present process or similar process
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.)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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
Priority claimed from DE1964D0045091external-prioritypatent/DE1244125B/en
Application filed by Degussa GmbH, Deutsche Gold und Silber ScheideanstaltfiledCriticalDegussa GmbH
Priority to FR26917ApriorityCriticalpatent/FR1458298A/en
Application grantedgrantedCritical
Publication of FR1458298ApublicationCriticalpatent/FR1458298A/en
C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
C01B13/14—Methods for preparing oxides or hydroxides in general
C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
C01B13/22—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
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
C01P2006/00—Physical properties of inorganic compounds
C01P2006/80—Compositional purity
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Inorganic Chemistry
(AREA)
FR26917A1964-08-011965-08-02
Process for the preparation of finely divided oxides, as well as oxides according to those obtained by the present process or similar process
ExpiredFR1458298A
(en)
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