CH566533A5 - - Google Patents
Info
- Publication number
- CH566533A5 CH566533A5 CH989473A CH989473A CH566533A5 CH 566533 A5 CH566533 A5 CH 566533A5 CH 989473 A CH989473 A CH 989473A CH 989473 A CH989473 A CH 989473A CH 566533 A5 CH566533 A5 CH 566533A5
- Authority
- CH
- Switzerland
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
- C02F5/105—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 combined with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7232052A FR2198106A1 (en) | 1972-09-04 | 1972-09-04 | Corrosion and scale prevention in cooling systems - using phosphates, zinc salts and acrylic polymers |
| DE19732344498 DE2344498A1 (de) | 1972-09-04 | 1973-09-04 | Verfahren zur verhuetung der korrosion in kuehlwasserkreislaeufen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH566533A5 true CH566533A5 (de) | 1975-09-15 |
Family
ID=25765734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH989473A CH566533A5 (de) | 1972-09-04 | 1973-07-06 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT327825B (de) |
| BE (1) | BE804395A (de) |
| CH (1) | CH566533A5 (de) |
| DE (1) | DE2344498A1 (de) |
| FR (1) | FR2198106A1 (de) |
| NL (1) | NL7312066A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3885914A (en) * | 1973-06-04 | 1975-05-27 | Calgon Corp | Polymer-zinc corrosion inhibiting method |
| SE435456B (sv) * | 1976-01-07 | 1984-10-01 | Calgon Corp | Komposition och forfarande for att kontrollera uppbyggnaden av pannsten i gastvettare |
| CA1083335A (en) * | 1976-05-10 | 1980-08-12 | Chemed Corporation | Composition and method of inhibiting corrosion |
| CA1118590A (en) * | 1979-04-05 | 1982-02-23 | Gary E. Geiger | Stable compositions for use as corrosion inhibitors |
| US4936987A (en) * | 1983-03-07 | 1990-06-26 | Calgon Corporation | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
| CA1217691A (en) | 1983-04-15 | 1987-02-10 | William M. Hann | Method of inhibiting scaling in aqueous systems with low molecular weight copolymers |
| US4640793A (en) * | 1984-02-14 | 1987-02-03 | Calgon Corporation | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
| FR2601030B1 (fr) * | 1986-07-03 | 1989-04-07 | Coatex Sa | Compositions acides a hautes concentrations en matieres actives pour le traitement des eaux et/ou le nettoyage des installations les contenant |
-
1972
- 1972-09-04 FR FR7232052A patent/FR2198106A1/fr active Granted
-
1973
- 1973-07-06 CH CH989473A patent/CH566533A5/xx not_active IP Right Cessation
- 1973-08-14 AT AT713773A patent/AT327825B/de not_active IP Right Cessation
- 1973-08-31 NL NL7312066A patent/NL7312066A/xx unknown
- 1973-09-03 BE BE135265A patent/BE804395A/xx unknown
- 1973-09-04 DE DE19732344498 patent/DE2344498A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AT327825B (de) | 1976-02-25 |
| FR2198106B1 (de) | 1975-01-03 |
| FR2198106A1 (en) | 1974-03-29 |
| DE2344498A1 (de) | 1974-03-21 |
| ATA713773A (de) | 1975-04-15 |
| NL7312066A (de) | 1974-03-06 |
| BE804395A (fr) | 1974-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |