NL7312836A - - Google Patents
Info
- Publication number
- NL7312836A NL7312836A NL7312836A NL7312836A NL7312836A NL 7312836 A NL7312836 A NL 7312836A NL 7312836 A NL7312836 A NL 7312836A NL 7312836 A NL7312836 A NL 7312836A NL 7312836 A NL7312836 A NL 7312836A
- Authority
- NL
- Netherlands
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
- C01B33/181—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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/193—Preparation from silicon tetrafluoride, fluosilicic acid or fluosilicates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/195—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- 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
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29012172A | 1972-09-18 | 1972-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7312836A true NL7312836A (fr) | 1974-03-20 |
Family
ID=23114613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7312836A NL7312836A (fr) | 1972-09-18 | 1973-09-18 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE804531A (fr) |
| CA (1) | CA1022725A (fr) |
| ES (1) | ES418821A1 (fr) |
| GB (1) | GB1445139A (fr) |
| NL (1) | NL7312836A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4206189A (en) | 1977-01-04 | 1980-06-03 | Belov Viktor Y | Method of producing hydrogen fluoride and silicon dioxide from silicon tetra-fluoride |
| CN103420383B (zh) * | 2013-07-29 | 2015-12-23 | 中国化学赛鼎宁波工程有限公司 | 以磷肥副产物氟硅酸盐为原料制备气相法白炭黑和无水氢氟酸的方法 |
| CN116332133B (zh) * | 2023-04-19 | 2025-05-30 | 贵州瓮福蓝天氟化工股份有限公司 | 一种含氟化氢和硫酸混合溶液的分离方法 |
-
1973
- 1973-08-30 CA CA180,036A patent/CA1022725A/fr not_active Expired
- 1973-09-06 BE BE135375A patent/BE804531A/fr unknown
- 1973-09-10 GB GB4252373A patent/GB1445139A/en not_active Expired
- 1973-09-17 ES ES418821A patent/ES418821A1/es not_active Expired
- 1973-09-18 NL NL7312836A patent/NL7312836A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BE804531A (fr) | 1974-01-02 |
| CA1022725A (fr) | 1977-12-20 |
| ES418821A1 (es) | 1976-12-01 |
| GB1445139A (en) | 1976-08-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |