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-difosfanato

Info

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
Application number
BR9711056A
Other languages
English (en)
Inventor
Peter E Reed
Michael A Kamrath
Phillip W Carter
Ronald V Davis
Original Assignee
Nalco Chemical Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of BR9711056A publication Critical patent/BR9711056A/pt

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 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)
BR9711056A 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 BR9711056A (pt)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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