FR2179912B1 - - Google Patents
Info
- Publication number
- FR2179912B1 FR2179912B1 FR7312842A FR7312842A FR2179912B1 FR 2179912 B1 FR2179912 B1 FR 2179912B1 FR 7312842 A FR7312842 A FR 7312842A FR 7312842 A FR7312842 A FR 7312842A FR 2179912 B1 FR2179912 B1 FR 2179912B1
- 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
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/141—Preparation of hydrosols or aqueous dispersions
- C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
- C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
- C01B33/1435—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates using ion exchangers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24340572A | 1972-04-12 | 1972-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2179912A1 FR2179912A1 (fr) | 1973-11-23 |
| FR2179912B1 true FR2179912B1 (fr) | 1977-08-05 |
Family
ID=22918654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7312842A Expired FR2179912B1 (fr) | 1972-04-12 | 1973-04-10 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3756958A (fr) |
| JP (1) | JPS4910196A (fr) |
| CA (1) | CA995094A (fr) |
| DE (1) | DE2318572A1 (fr) |
| FR (1) | FR2179912B1 (fr) |
| GB (1) | GB1422064A (fr) |
| IT (1) | IT981931B (fr) |
| NL (1) | NL7304554A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59154077A (ja) * | 1983-02-23 | 1984-09-03 | Clarion Co Ltd | 可変容量素子 |
| US4613454A (en) * | 1983-06-30 | 1986-09-23 | Nalco Chemical Company | Metal oxide/silica sols |
| US4563298A (en) * | 1983-06-30 | 1986-01-07 | Nalco Chemical Company | Metal oxide/silica sols |
| DE4218306C2 (de) * | 1992-06-03 | 1995-06-22 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung großpartikulärer Kieselsole |
| CN112705142B (zh) * | 2020-12-22 | 2022-04-01 | 浙江德立信微纳科技有限公司 | 流水连续化硅溶胶合成装置及合成方法 |
| CN113277521A (zh) * | 2021-05-17 | 2021-08-20 | 中国科学院上海微系统与信息技术研究所 | 一种胶体二氧化硅的制备方法 |
-
1972
- 1972-04-12 US US00243405A patent/US3756958A/en not_active Expired - Lifetime
-
1973
- 1973-03-12 CA CA165,900A patent/CA995094A/en not_active Expired
- 1973-04-02 NL NL7304554A patent/NL7304554A/xx unknown
- 1973-04-10 FR FR7312842A patent/FR2179912B1/fr not_active Expired
- 1973-04-11 IT IT22892/73A patent/IT981931B/it active
- 1973-04-12 GB GB1768273A patent/GB1422064A/en not_active Expired
- 1973-04-12 DE DE2318572A patent/DE2318572A1/de active Pending
- 1973-04-12 JP JP48040957A patent/JPS4910196A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4910196A (fr) | 1974-01-29 |
| FR2179912A1 (fr) | 1973-11-23 |
| GB1422064A (en) | 1976-01-21 |
| CA995094A (en) | 1976-08-17 |
| DE2318572A1 (de) | 1973-10-31 |
| US3756958A (en) | 1973-09-04 |
| IT981931B (it) | 1974-10-10 |
| NL7304554A (fr) | 1973-10-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |