SE7500160L - - Google Patents
Info
- Publication number
- SE7500160L SE7500160L SE7500160A SE7500160A SE7500160L SE 7500160 L SE7500160 L SE 7500160L SE 7500160 A SE7500160 A SE 7500160A SE 7500160 A SE7500160 A SE 7500160A SE 7500160 L SE7500160 L SE 7500160L
- Authority
- SE
- Sweden
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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
Landscapes
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43535574A | 1974-01-21 | 1974-01-21 | |
US51915474A | 1974-10-31 | 1974-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7500160L true SE7500160L (fr) | 1975-07-22 |
Family
ID=27030530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7500160A SE7500160L (fr) | 1974-01-21 | 1975-01-08 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2502012A1 (fr) |
FR (1) | FR2258347A1 (fr) |
SE (1) | SE7500160L (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2854484A1 (de) * | 1978-12-16 | 1980-06-26 | Bayer Ag | Stabile waessrige zeolith-suspensionen |
US4595736A (en) * | 1983-06-07 | 1986-06-17 | Dresser Industries, Inc. | Thermally stable drilling fluid additive comprised of a copolymer of catechol-based monomer |
US4525562A (en) * | 1983-06-07 | 1985-06-25 | Dresser Industries, Inc. | Thermally stable drilling fluid additive |
US4579927A (en) * | 1983-09-26 | 1986-04-01 | Dresser Industries, Inc. | Copolymers of flavanoid tannins and acrylic monomers |
US4521578A (en) * | 1983-09-26 | 1985-06-04 | Dresser Industries, Inc. | Composition and method of preparation of novel aqueous drilling fluid additives |
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1975
- 1975-01-08 SE SE7500160A patent/SE7500160L/ not_active Application Discontinuation
- 1975-01-17 FR FR7501464A patent/FR2258347A1/fr active Granted
- 1975-01-20 DE DE19752502012 patent/DE2502012A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2258347A1 (en) | 1975-08-18 |
FR2258347B1 (fr) | 1976-12-31 |
DE2502012A1 (de) | 1975-07-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 7500160-2 |