BR9711056A - Processo para a preven-Æo da forma-Æo de incrusta-Æo e da corrosÆo sobre superficies met licas em contato com gua industrial e -ter-1 1-difosfanato - Google Patents
Processo para a preven-Æo da forma-Æo de incrusta-Æo e da corrosÆo sobre superficies met licas em contato com gua industrial e -ter-1 1-difosfanatoInfo
- Publication number
- BR9711056A BR9711056A BR9711056A BR9711056A BR9711056A BR 9711056 A BR9711056 A BR 9711056A BR 9711056 A BR9711056 A BR 9711056A BR 9711056 A BR9711056 A BR 9711056A BR 9711056 A BR9711056 A BR 9711056A
- Authority
- BR
- Brazil
- Prior art keywords
- diphosphanate
- ter
- corrosion
- contact
- metal surfaces
- Prior art date
Links
- GOSYVTLIUZOYIT-UHFFFAOYSA-N P(P)(=O)O Chemical compound P(P)(=O)O GOSYVTLIUZOYIT-UHFFFAOYSA-N 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000005260 corrosion Methods 0.000 title 1
- 230000007797 corrosion Effects 0.000 title 1
- 239000008235 industrial water Substances 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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 Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
-
- 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 Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3839—Polyphosphonic acids
- C07F9/386—Polyphosphonic acids containing hydroxy substituents in the hydrocarbon radicals
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/696,450 US5772893A (en) | 1996-08-13 | 1996-08-13 | Ether diphosphonate scale inhibitors |
PCT/US1997/014276 WO1998006673A1 (en) | 1996-08-13 | 1997-08-13 | Method for the prevention of scale formation by using an ether-1,1-diphosphonate |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9711056A true BR9711056A (pt) | 1999-08-17 |
Family
ID=24797112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9711056A BR9711056A (pt) | 1996-08-13 | 1997-08-13 | Processo para a preven-Æo da forma-Æo de incrusta-Æo e da corrosÆo sobre superficies met licas em contato com gua industrial e -ter-1 1-difosfanato |
Country Status (11)
Country | Link |
---|---|
US (1) | US5772893A (pt) |
EP (1) | EP0950029B1 (pt) |
JP (1) | JP2000516141A (pt) |
KR (1) | KR20000029940A (pt) |
AU (2) | AU3416997A (pt) |
BR (1) | BR9711056A (pt) |
CA (1) | CA2260904A1 (pt) |
DE (1) | DE69715454T2 (pt) |
ES (1) | ES2183210T3 (pt) |
PT (1) | PT950029E (pt) |
WO (1) | WO1998006673A1 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR9902239A (pt) * | 1998-06-17 | 2000-04-11 | Air Prod & Chem | Processo e composição de aditivos de cédula para espumas flexìveis rìgidas de poliuretano. |
US6083403A (en) * | 1998-11-05 | 2000-07-04 | Nalco Chemical Company | Stabilized substituted aminomethane-1, 1-diphosphonic acid n-oxides and use thereof in preventing scale and corrosion |
US6355214B1 (en) * | 1999-06-16 | 2002-03-12 | Hercules Incorporated | Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor |
US6333005B1 (en) | 1999-06-16 | 2001-12-25 | Hercules Incorporated | Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor |
US6043290A (en) * | 1999-06-22 | 2000-03-28 | Air Products And Chemicals, Inc. | Dimensional stabilizing, cell opening additives for polyurethane flexible foams |
EP1188761A1 (en) * | 2000-09-18 | 2002-03-20 | SOLVAY (Société Anonyme) | Novel geminal-diphosphonic acids and their manufacture |
FR2944786B1 (fr) | 2009-04-27 | 2011-07-15 | Coatex Sas | Utilisation d'homopolymeres de l'acide maleique et de ses sels comme agents inhibiteurs de tartre et anti-adherence. |
FI20115315A0 (fi) * | 2011-04-01 | 2011-04-01 | Itae Suomen Yliopisto | Menetelmä metallien keräämiseksi |
CN115124151A (zh) * | 2022-08-29 | 2022-09-30 | 欣格瑞(山东)环境科技有限公司 | 复合缓蚀阻垢剂及其制备方法和应用 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3617576A (en) * | 1970-04-13 | 1971-11-02 | Monsanto Co | Methods of scale inhibition |
DE2104476C2 (de) * | 1971-02-01 | 1983-12-01 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur Verhinderung von Ausfällungen in Wasser oder wäßrigen Lösungen |
US3733270A (en) * | 1971-03-08 | 1973-05-15 | Monsanto Co | Methods of scale inhibition |
DE2621606C2 (de) * | 1976-05-14 | 1987-04-16 | Bayer Ag, 5090 Leverkusen | Verwendung von Propan-1,3-diphosphonsäuren für die Wasserkonditionierung |
US4088678A (en) * | 1976-07-01 | 1978-05-09 | Nalco Chemical Company | Substituted succinic acid compounds and their use as chelants |
US4172787A (en) * | 1978-06-29 | 1979-10-30 | Nalco Chemical Company | Reaction of α-phosphorus containing carboxylic acids with phosphorous acid to prepare scale and corrosion inhibitors |
DE3805644A1 (de) * | 1988-02-24 | 1989-09-07 | Hoechst Ag | 1-hydroxy-(omega)-(alkyl - bzw. arylphosphinico-)alkan-1,1-diphosphonsaeuren, deren salze sowie verfahren zur herstellung dieser verbindungen |
DE3805663A1 (de) * | 1988-02-24 | 1989-09-07 | Henkel Kgaa | Oxaalkanpolyphosphonsaeuren, ihre verwendung als thresholder sowie diese verbindungen enthaltende, komplexierend wirkende zusammensetzungen |
US5259974A (en) * | 1992-03-30 | 1993-11-09 | Calgon Corporation | N,N-bis(phosphonomethyl)-2-amino-1-propanol, derivatives and corresponding lower alkyl ethers and N-oxides thereof for high PH scale control |
US5414112A (en) * | 1993-11-09 | 1995-05-09 | Nalco Chemical Company | N-bis(phosphonomethyl) amino acids and their use as scale inhibitors |
CA2141487A1 (en) * | 1994-02-25 | 1995-08-26 | Jennifer J. Robertson | High calcium tolerant deposit control method and composition |
-
1996
- 1996-08-13 US US08/696,450 patent/US5772893A/en not_active Expired - Lifetime
-
1997
- 1997-08-13 DE DE69715454T patent/DE69715454T2/de not_active Expired - Fee Related
- 1997-08-13 JP JP10510006A patent/JP2000516141A/ja active Pending
- 1997-08-13 PT PT97939407T patent/PT950029E/pt unknown
- 1997-08-13 KR KR1019997001167A patent/KR20000029940A/ko not_active Application Discontinuation
- 1997-08-13 BR BR9711056A patent/BR9711056A/pt not_active Application Discontinuation
- 1997-08-13 WO PCT/US1997/014276 patent/WO1998006673A1/en active IP Right Grant
- 1997-08-13 CA CA002260904A patent/CA2260904A1/en not_active Abandoned
- 1997-08-13 AU AU34169/97A patent/AU3416997A/en not_active Abandoned
- 1997-08-13 EP EP97939407A patent/EP0950029B1/en not_active Expired - Lifetime
- 1997-08-13 AU AU41503/97A patent/AU4150397A/en not_active Abandoned
- 1997-08-13 ES ES97939407T patent/ES2183210T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5772893A (en) | 1998-06-30 |
EP0950029B1 (en) | 2002-09-11 |
AU3416997A (en) | 1998-02-19 |
EP0950029A1 (en) | 1999-10-20 |
PT950029E (pt) | 2003-01-31 |
CA2260904A1 (en) | 1998-02-19 |
DE69715454T2 (de) | 2003-02-20 |
DE69715454D1 (de) | 2002-10-17 |
WO1998006673A1 (en) | 1998-02-19 |
KR20000029940A (ko) | 2000-05-25 |
ES2183210T3 (es) | 2003-03-16 |
JP2000516141A (ja) | 2000-12-05 |
AU4150397A (en) | 1998-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law | ||
B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired |