BE340436A - - Google Patents
Info
- Publication number
- BE340436A BE340436A BE340436DA BE340436A BE 340436 A BE340436 A BE 340436A BE 340436D A BE340436D A BE 340436DA BE 340436 A BE340436 A BE 340436A
- Authority
- BE
- Belgium
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
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/152—Preparation of hydrogels
- C01B33/1525—Preparation of hydrogels from or via fluosilicic acid or salts thereof
-
- 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
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/152—Preparation of hydrogels
-
- 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
- C01B33/184—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 by hydrolysis of tetrafluoride
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT267907X | 1926-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE340436A true BE340436A (en) |
Family
ID=3670464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE340436D BE340436A (en) | 1926-03-18 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE340436A (en) |
| FR (1) | FR630951A (en) |
| GB (1) | GB267907A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1021339B (en) * | 1955-03-30 | 1957-12-27 | Columbian Carbon | Process for the production of a mixture of silicon tetrafluoride and water vapor |
| DE1176104B (en) * | 1959-11-03 | 1964-08-20 | Nobel Bozel | Process for the production of pure, finely divided silica |
-
0
- BE BE340436D patent/BE340436A/xx unknown
-
1927
- 1927-02-26 GB GB5571/27A patent/GB267907A/en not_active Expired
- 1927-03-16 FR FR630951D patent/FR630951A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB267907A (en) | 1928-05-10 |
| FR630951A (en) | 1927-12-12 |