GB1297515A - - Google Patents
Info
- Publication number
- GB1297515A GB1297515A GB1297515DA GB1297515A GB 1297515 A GB1297515 A GB 1297515A GB 1297515D A GB1297515D A GB 1297515DA GB 1297515 A GB1297515 A GB 1297515A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- weight
- polyethylene imine
- imine
- agent
- Prior art date
- 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
- 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)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB58169 | 1969-01-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1297515A true GB1297515A (es) | 1972-11-22 |
Family
ID=9706902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1297515D Expired GB1297515A (es) | 1969-01-03 | 1969-01-03 |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB1297515A (es) |
IT (1) | IT1055510B (es) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4147627A (en) * | 1977-02-07 | 1979-04-03 | American Cyanamid Company | Process for scale control using mixtures of polycationic and polyanionic polymers |
US4328106A (en) * | 1980-06-13 | 1982-05-04 | The United States Of America As Represented By The United States Department Of Energy | Method for inhibiting silica precipitation and scaling in geothermal flow systems |
US4692315A (en) * | 1984-04-25 | 1987-09-08 | Dearborn Chemicals Limited | Method of inhibiting corrosion in aqueous systems |
US4692316A (en) * | 1984-03-20 | 1987-09-08 | Dearborn Chemicals Limited | Method of inhibiting corrosion in aqueous systems |
US4692317A (en) * | 1984-11-08 | 1987-09-08 | W. R. Grace & Co. | Corrosion control in aqueous systems using cationic polymers in combination with phosphonohydroxyacetic acid |
-
1969
- 1969-01-03 GB GB1297515D patent/GB1297515A/en not_active Expired
-
1970
- 1970-01-02 IT IT6700570A patent/IT1055510B/it active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4147627A (en) * | 1977-02-07 | 1979-04-03 | American Cyanamid Company | Process for scale control using mixtures of polycationic and polyanionic polymers |
US4328106A (en) * | 1980-06-13 | 1982-05-04 | The United States Of America As Represented By The United States Department Of Energy | Method for inhibiting silica precipitation and scaling in geothermal flow systems |
US4692316A (en) * | 1984-03-20 | 1987-09-08 | Dearborn Chemicals Limited | Method of inhibiting corrosion in aqueous systems |
US4692315A (en) * | 1984-04-25 | 1987-09-08 | Dearborn Chemicals Limited | Method of inhibiting corrosion in aqueous systems |
US4692317A (en) * | 1984-11-08 | 1987-09-08 | W. R. Grace & Co. | Corrosion control in aqueous systems using cationic polymers in combination with phosphonohydroxyacetic acid |
Also Published As
Publication number | Publication date |
---|---|
IT1055510B (it) | 1982-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |