BE689291A - - Google Patents
Info
- Publication number
- BE689291A BE689291A BE689291DA BE689291A BE 689291 A BE689291 A BE 689291A BE 689291D A BE689291D A BE 689291DA BE 689291 A BE689291 A BE 689291A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
- C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US50658565A | 1965-11-05 | 1965-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE689291A true BE689291A (pt) | 1967-05-05 |
Family
ID=24015214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE689291D BE689291A (pt) | 1965-11-05 | 1966-11-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE689291A (pt) |
| FR (1) | FR1498178A (pt) |
| GB (1) | GB1144045A (pt) |
-
1966
- 1966-11-02 GB GB4918366A patent/GB1144045A/en not_active Expired
- 1966-11-03 FR FR82405A patent/FR1498178A/fr not_active Expired
- 1966-11-04 BE BE689291D patent/BE689291A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1498178A (fr) | 1967-10-13 |
| GB1144045A (en) | 1969-03-05 |