NL175984C - Werkwijze ter bereiding van fijn verdeeld siliciumdioxyde. - Google Patents
Werkwijze ter bereiding van fijn verdeeld siliciumdioxyde.Info
- Publication number
- NL175984C NL175984C NL7201420A NL7201420A NL175984C NL 175984 C NL175984 C NL 175984C NL 7201420 A NL7201420 A NL 7201420A NL 7201420 A NL7201420 A NL 7201420A NL 175984 C NL175984 C NL 175984C
- Authority
- NL
- Netherlands
- Prior art keywords
- silicon dioxide
- divided silicon
- preparing fine
- fine divided
- preparing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712123233 DE2123233C3 (de) | 1971-05-11 | 1971-05-11 | Feinteiliges grossoberflaechiges siliciumdioxid |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7201420A NL7201420A (ru) | 1972-11-14 |
| NL175984B NL175984B (nl) | 1984-09-03 |
| NL175984C true NL175984C (nl) | 1985-02-01 |
Family
ID=5807495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201420A NL175984C (nl) | 1971-05-11 | 1972-02-03 | Werkwijze ter bereiding van fijn verdeeld siliciumdioxyde. |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS535636B1 (ru) |
| BE (1) | BE783326A (ru) |
| DE (1) | DE2123233C3 (ru) |
| FR (1) | FR2137479B1 (ru) |
| GB (1) | GB1394116A (ru) |
| NL (1) | NL175984C (ru) |
| SU (1) | SU457208A3 (ru) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3016010C2 (de) * | 1980-04-25 | 1985-01-10 | Degussa Ag, 6000 Frankfurt | Verfahren zur pyrogenen Herstellung von Kieselsäure |
| US5340560A (en) * | 1993-04-30 | 1994-08-23 | General Electric Company | Method for making fumed silica having a reduced aggregate size and product |
| DE10135452A1 (de) * | 2001-07-20 | 2003-02-06 | Degussa | Pyrogen hergestellte Aluminium-Silicium-Mischoxide |
| KR20230142833A (ko) | 2021-02-11 | 2023-10-11 | 에보닉 오퍼레이션스 게엠베하 | 감소된 실란올 기 밀도를 갖는 발연 실리카 분말 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE900339C (de) * | 1951-07-05 | 1953-12-21 | Degussa | Verfahren und Vorrichtung zur Herstellung von kolloidaler Kieselsaeure in Aerogelform |
-
1971
- 1971-05-11 DE DE19712123233 patent/DE2123233C3/de not_active Expired
-
1972
- 1972-02-03 NL NL7201420A patent/NL175984C/xx not_active IP Right Cessation
- 1972-03-31 FR FR7211509A patent/FR2137479B1/fr not_active Expired
- 1972-04-10 SU SU1770873A patent/SU457208A3/ru active
- 1972-04-27 GB GB1961872A patent/GB1394116A/en not_active Expired
- 1972-05-09 JP JP4582272A patent/JPS535636B1/ja active Pending
- 1972-05-10 BE BE783326A patent/BE783326A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2123233A1 (de) | 1972-11-30 |
| NL175984B (nl) | 1984-09-03 |
| GB1394116A (en) | 1975-05-14 |
| BE783326A (fr) | 1972-09-01 |
| DE2123233C3 (de) | 1977-10-13 |
| JPS535636B1 (ru) | 1978-03-01 |
| DE2123233B2 (de) | 1977-03-03 |
| FR2137479A1 (ru) | 1972-12-29 |
| FR2137479B1 (ru) | 1975-03-21 |
| NL7201420A (ru) | 1972-11-14 |
| SU457208A3 (ru) | 1975-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: DEGUSSA AKTIENGESELLSCHAFT |
|
| A85 | Still pending on 85-01-01 | ||
| V4 | Lapsed because of reaching the maxim lifetime of a patent |