NL7203317A - - Google Patents
Info
- Publication number
- NL7203317A NL7203317A NL7203317A NL7203317A NL7203317A NL 7203317 A NL7203317 A NL 7203317A NL 7203317 A NL7203317 A NL 7203317A NL 7203317 A NL7203317 A NL 7203317A NL 7203317 A NL7203317 A NL 7203317A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic 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 Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12460571A | 1971-03-15 | 1971-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7203317A true NL7203317A (xx) | 1972-09-19 |
Family
ID=22415828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7203317A NL7203317A (xx) | 1971-03-15 | 1972-03-13 |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2212522A1 (xx) |
| FR (1) | FR2129701A5 (xx) |
| GB (1) | GB1345675A (xx) |
| IT (1) | IT951818B (xx) |
| NL (1) | NL7203317A (xx) |
-
1972
- 1972-02-11 GB GB651372A patent/GB1345675A/en not_active Expired
- 1972-03-13 NL NL7203317A patent/NL7203317A/xx unknown
- 1972-03-14 IT IT2181372A patent/IT951818B/it active
- 1972-03-15 FR FR7209092A patent/FR2129701A5/fr not_active Expired
- 1972-03-15 DE DE19722212522 patent/DE2212522A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2212522A1 (de) | 1972-09-28 |
| IT951818B (it) | 1973-07-10 |
| GB1345675A (en) | 1974-01-30 |
| FR2129701A5 (xx) | 1972-10-27 |