BR7805732A - Processo para inibir corrosao e deposicao de crosta e residuos em superficies de sistemas aquosos e o composto utilizado - Google Patents
Processo para inibir corrosao e deposicao de crosta e residuos em superficies de sistemas aquosos e o composto utilizadoInfo
- Publication number
- BR7805732A BR7805732A BR7805732A BR7805732A BR7805732A BR 7805732 A BR7805732 A BR 7805732A BR 7805732 A BR7805732 A BR 7805732A BR 7805732 A BR7805732 A BR 7805732A BR 7805732 A BR7805732 A BR 7805732A
- Authority
- BR
- Brazil
- Prior art keywords
- waterful
- crust
- deposition
- waste
- systems
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having sulfur atoms, with or without selenium or tellurium atoms, as the only ring hetero atoms
- C07F9/655345—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having sulfur atoms, with or without selenium or tellurium atoms, as the only ring hetero atoms the sulfur atom being part of a five-membered ring
-
- 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
- C02F5/14—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 phosphorus
-
- 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
- C23F11/10—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 using organic inhibitors
- C23F11/167—Phosphorus-containing compounds
- C23F11/1676—Phosphonic acids
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/914,250 US4181806A (en) | 1978-06-09 | 1978-06-09 | Aminoalkylenephosphonic acids and salts thereof and their use in aqueous systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7805732A true BR7805732A (pt) | 1979-12-18 |
Family
ID=25434083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7805732A BR7805732A (pt) | 1978-06-09 | 1978-08-31 | Processo para inibir corrosao e deposicao de crosta e residuos em superficies de sistemas aquosos e o composto utilizado |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US4181806A (pt) |
| JP (1) | JPS54163567A (pt) |
| AR (1) | AR219118A1 (pt) |
| AT (1) | AT360444B (pt) |
| AU (1) | AU509872B2 (pt) |
| BE (1) | BE869794A (pt) |
| BR (1) | BR7805732A (pt) |
| DE (1) | DE2836306A1 (pt) |
| DK (1) | DK331078A (pt) |
| ES (1) | ES472712A1 (pt) |
| FI (1) | FI782476A (pt) |
| FR (1) | FR2428037A1 (pt) |
| GB (1) | GB2022588A (pt) |
| GR (1) | GR63760B (pt) |
| IE (1) | IE790171L (pt) |
| IT (1) | IT1109209B (pt) |
| NL (1) | NL7808787A (pt) |
| NO (1) | NO782640L (pt) |
| NZ (1) | NZ188000A (pt) |
| PT (1) | PT68388A (pt) |
| SE (1) | SE7808309L (pt) |
| ZA (1) | ZA784373B (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002697A (en) * | 1988-03-15 | 1991-03-26 | Nalco Chemical Company | Molybdate-containing corrosion inhibitors |
| US4933472A (en) * | 1988-04-08 | 1990-06-12 | Yamanouchi Pharmaceutical Co., Ltd. | Substituted aminomethylenebis(phosphonic acid) derivatives |
| US5068059A (en) * | 1990-01-16 | 1991-11-26 | Drew Chemical Corporation | Corrosion inhibitor |
| CN107381840B (zh) * | 2017-09-06 | 2020-10-16 | 钟司雨 | 一种环保型阻垢缓蚀剂及其制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3546216A (en) * | 1967-03-21 | 1970-12-08 | Phillips Petroleum Co | Schiff bases of amino-substituted tetrahydrothiophene 1,1-dioxides |
| US3705005A (en) * | 1971-06-21 | 1972-12-05 | Betz Laboratories | Aminoalkylene phosphonate derivatives as corrosion inhibitors in aqueous systems |
| US4120686A (en) * | 1975-06-28 | 1978-10-17 | Bayer Aktiengesellschaft | Composition for combating slimes |
| US4101441A (en) * | 1975-12-29 | 1978-07-18 | Chemed Corporation | Composition and method of inhibiting corrosion |
-
1978
- 1978-06-09 US US05/914,250 patent/US4181806A/en not_active Expired - Lifetime
- 1978-07-25 AR AR273058A patent/AR219118A1/es active
- 1978-07-25 DK DK331078A patent/DK331078A/da not_active Application Discontinuation
- 1978-07-25 AU AU38323/78A patent/AU509872B2/en not_active Expired
- 1978-07-27 NZ NZ188000A patent/NZ188000A/xx unknown
- 1978-08-01 SE SE7808309A patent/SE7808309L/ not_active Application Discontinuation
- 1978-08-02 NO NO782640A patent/NO782640L/no unknown
- 1978-08-02 ZA ZA00784373A patent/ZA784373B/xx unknown
- 1978-08-03 AT AT563478A patent/AT360444B/de not_active IP Right Cessation
- 1978-08-04 PT PT68388A patent/PT68388A/pt unknown
- 1978-08-14 FI FI782476A patent/FI782476A/fi unknown
- 1978-08-17 BE BE189923A patent/BE869794A/xx unknown
- 1978-08-18 DE DE19782836306 patent/DE2836306A1/de not_active Withdrawn
- 1978-08-21 ES ES472712A patent/ES472712A1/es not_active Expired
- 1978-08-24 FR FR7824560A patent/FR2428037A1/fr active Pending
- 1978-08-25 NL NL7808787A patent/NL7808787A/xx not_active Application Discontinuation
- 1978-08-31 BR BR7805732A patent/BR7805732A/pt unknown
- 1978-09-18 GR GR57258A patent/GR63760B/el unknown
- 1978-09-25 JP JP11783278A patent/JPS54163567A/ja active Pending
- 1978-10-12 IT IT51476/78A patent/IT1109209B/it active
-
1979
- 1979-01-12 GB GB7901177A patent/GB2022588A/en not_active Withdrawn
- 1979-01-30 IE IE790171A patent/IE790171L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR219118A1 (es) | 1980-07-31 |
| NZ188000A (en) | 1980-05-08 |
| SE7808309L (sv) | 1979-12-10 |
| GB2022588A (en) | 1979-12-19 |
| ES472712A1 (es) | 1979-02-16 |
| DE2836306A1 (de) | 1979-12-20 |
| JPS54163567A (en) | 1979-12-26 |
| NO782640L (no) | 1979-12-11 |
| AT360444B (de) | 1980-01-12 |
| IT7851476A0 (it) | 1978-10-12 |
| BE869794A (fr) | 1978-12-18 |
| DK331078A (da) | 1979-12-13 |
| FR2428037A1 (fr) | 1980-01-04 |
| IT1109209B (it) | 1985-12-16 |
| FI782476A (fi) | 1979-12-10 |
| US4181806A (en) | 1980-01-01 |
| ZA784373B (en) | 1979-07-25 |
| AU3832378A (en) | 1980-01-31 |
| IE790171L (en) | 1979-12-09 |
| PT68388A (en) | 1978-09-01 |
| GR63760B (en) | 1979-12-07 |
| NL7808787A (nl) | 1979-12-11 |
| ATA563478A (de) | 1980-05-15 |
| AU509872B2 (en) | 1980-05-29 |
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