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WO2000030985A3 - Stein- und korrosionsinhibitor - Google Patents

Stein- und korrosionsinhibitor Download PDF

Info

Publication number
WO2000030985A3
WO2000030985A3 PCT/EP1999/008641 EP9908641W WO0030985A3 WO 2000030985 A3 WO2000030985 A3 WO 2000030985A3 EP 9908641 W EP9908641 W EP 9908641W WO 0030985 A3 WO0030985 A3 WO 0030985A3
Authority
WO
WIPO (PCT)
Prior art keywords
scale
corrosion inhibitor
mono alkyl
pbtc
phosphono
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP1999/008641
Other languages
English (en)
French (fr)
Other versions
WO2000030985A2 (de
Inventor
Roland Kleinstueck
Christoph Holzner
Armin Spaniol
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Priority to JP2000583819A priority Critical patent/JP2002530532A/ja
Priority to EP99969907A priority patent/EP1133451A2/de
Priority to KR1020017006345A priority patent/KR20010081033A/ko
Priority to CA002351508A priority patent/CA2351508A1/en
Priority to AU31485/00A priority patent/AU3148500A/en
Publication of WO2000030985A2 publication Critical patent/WO2000030985A2/de
Publication of WO2000030985A3 publication Critical patent/WO2000030985A3/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C02F5/14—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
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/08—Corrosion inhibition
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

Die vorliegende Erfindung betrifft die Verwendung von PO-Monoalkylestern von 2-Phosphono-butan-1,2,4-tricarbonsäure (PBTC-PO-Monoalkylester) und ihren Salzen als Stein- und Korrosionsinhibitor bei der Wasserbehandlung.
PCT/EP1999/008641 1998-11-20 1999-11-10 Stein- und korrosionsinhibitor Ceased WO2000030985A2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2000583819A JP2002530532A (ja) 1998-11-20 1999-11-10 スケール及び腐食抑制剤
EP99969907A EP1133451A2 (de) 1998-11-20 1999-11-10 Stein- und korrosionsinhibitor
KR1020017006345A KR20010081033A (ko) 1998-11-20 1999-11-10 스케일 및 부식 억제제
CA002351508A CA2351508A1 (en) 1998-11-20 1999-11-10 Scale and corrosion inhibitor
AU31485/00A AU3148500A (en) 1998-11-20 1999-11-10 Scale and corrosion inhibitor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853561A DE19853561A1 (de) 1998-11-20 1998-11-20 Stein- und Korrosionsinhibitor
DE19853561.9 1998-11-20

Publications (2)

Publication Number Publication Date
WO2000030985A2 WO2000030985A2 (de) 2000-06-02
WO2000030985A3 true WO2000030985A3 (de) 2000-10-19

Family

ID=7888444

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/008641 Ceased WO2000030985A2 (de) 1998-11-20 1999-11-10 Stein- und korrosionsinhibitor

Country Status (7)

Country Link
EP (1) EP1133451A2 (de)
JP (1) JP2002530532A (de)
KR (1) KR20010081033A (de)
AU (1) AU3148500A (de)
CA (1) CA2351508A1 (de)
DE (1) DE19853561A1 (de)
WO (1) WO2000030985A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2009013704A (es) 2009-12-15 2011-06-15 Mexicano Inst Petrol Nuevos surfactantes geminales, proceso de obtencion y uso como inhibidores de corrosion multifuncionales.
KR102318439B1 (ko) 2020-11-30 2021-10-28 주식회사 아쿠아스마트코리아 상수도관용 부식 억제제

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391961A1 (fr) * 1977-05-26 1978-12-22 Bayer Ag Produits de la reaction d'acides phosphonocarboxyliques et d'alcools, et leur utilisation pour le conditionnement de l'eau
EP0358022A2 (de) * 1988-09-03 1990-03-14 Bayer Ag Verfahren zur kontinuierlichen Herstellung von 2-Phosphonobutan-1,2,4-tricarbonsäure und ihrer Alkalimetallsalze
EP0473020A2 (de) * 1990-08-28 1992-03-04 Bayer Ag Verfahren zur Herstellung von Alkalimetallsalzen der 2-Phosphonobutan-1,2,4-tricarbonsäure
EP0672625A1 (de) * 1994-03-14 1995-09-20 Bayer Ag Mittel zur Wasserbehandlung mit Polyasparaginsäure oder einem Derivat davon und Phosphonsäure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391961A1 (fr) * 1977-05-26 1978-12-22 Bayer Ag Produits de la reaction d'acides phosphonocarboxyliques et d'alcools, et leur utilisation pour le conditionnement de l'eau
EP0358022A2 (de) * 1988-09-03 1990-03-14 Bayer Ag Verfahren zur kontinuierlichen Herstellung von 2-Phosphonobutan-1,2,4-tricarbonsäure und ihrer Alkalimetallsalze
EP0473020A2 (de) * 1990-08-28 1992-03-04 Bayer Ag Verfahren zur Herstellung von Alkalimetallsalzen der 2-Phosphonobutan-1,2,4-tricarbonsäure
EP0672625A1 (de) * 1994-03-14 1995-09-20 Bayer Ag Mittel zur Wasserbehandlung mit Polyasparaginsäure oder einem Derivat davon und Phosphonsäure

Also Published As

Publication number Publication date
WO2000030985A2 (de) 2000-06-02
AU3148500A (en) 2000-06-13
KR20010081033A (ko) 2001-08-25
DE19853561A1 (de) 2000-05-25
JP2002530532A (ja) 2002-09-17
CA2351508A1 (en) 2000-06-02
EP1133451A2 (de) 2001-09-19

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