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Helsingborgs Gummifabriks AB
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Helsingborgs Gummifabriks AB
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Application filed by Helsingborgs Gummifabriks ABfiledCriticalHelsingborgs Gummifabriks AB
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Publication of FR1021788ApublicationCriticalpatent/FR1021788A/fr
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
C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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Chemical & Material Sciences
(AREA)
Organic Chemistry
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Inorganic Chemistry
(AREA)
FR1021788D1949-07-201950-07-11Perfectionnements apportés aux procédés pour l'obtention de silice finement divisée
ExpiredFR1021788A
(fr)