FR2471948B1 - - Google Patents
Info
- Publication number
- FR2471948B1 FR2471948B1 FR7931215A FR7931215A FR2471948B1 FR 2471948 B1 FR2471948 B1 FR 2471948B1 FR 7931215 A FR7931215 A FR 7931215A FR 7931215 A FR7931215 A FR 7931215A FR 2471948 B1 FR2471948 B1 FR 2471948B1
- 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.)
- Expired
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
- 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
- C01P2004/60—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
- 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
- C01P2006/80—Compositional purity
-
- 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931215A FR2471948A1 (fr) | 1979-12-20 | 1979-12-20 | Nouveau procede d'obtention d'un gateau de silice precipitee a lavabilite amelioree, et produit obtenu |
| BR8008342A BR8008342A (pt) | 1979-12-20 | 1980-12-19 | Processo para melhorar a lavabilidade de uma torta de silica precipitada a produto obtido |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931215A FR2471948A1 (fr) | 1979-12-20 | 1979-12-20 | Nouveau procede d'obtention d'un gateau de silice precipitee a lavabilite amelioree, et produit obtenu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2471948A1 FR2471948A1 (fr) | 1981-06-26 |
| FR2471948B1 true FR2471948B1 (show.php) | 1983-07-18 |
Family
ID=9232990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7931215A Granted FR2471948A1 (fr) | 1979-12-20 | 1979-12-20 | Nouveau procede d'obtention d'un gateau de silice precipitee a lavabilite amelioree, et produit obtenu |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BR8008342A (show.php) |
| FR (1) | FR2471948A1 (show.php) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2588858A (en) * | 1947-10-07 | 1952-03-11 | Lehmann Frantisek | Circuit arrangement for discharge tubes, particularly glow discharge tubes |
| FR1352354A (fr) * | 1962-03-02 | 1964-02-14 | Degussa | Procédé de fabrication de silice en fine division par réaction de solutions de silicates alcalins avec des solutions d'acides et produits conformes à ceux obtenus |
| US3307906A (en) * | 1965-05-24 | 1967-03-07 | Jr Oliver W Burke | Silica pigments and preparation thereof |
| US3503707A (en) * | 1968-05-20 | 1970-03-31 | Burke Oliver W Jun | Silica pigments and preparation thereof |
| FR2159580A5 (show.php) * | 1971-11-04 | 1973-06-22 | Sifrance | |
| FR2208950A1 (en) * | 1972-09-06 | 1974-06-28 | Sifrance | Silicon oxide pigments used for toothpaste prodn - made by stepwise acid-ification of alkali metal silicate solns |
-
1979
- 1979-12-20 FR FR7931215A patent/FR2471948A1/fr active Granted
-
1980
- 1980-12-19 BR BR8008342A patent/BR8008342A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR8008342A (pt) | 1981-07-07 |
| FR2471948A1 (fr) | 1981-06-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |