ATE86592T1 - Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide. - Google Patents

Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide.

Info

Publication number
ATE86592T1
ATE86592T1 AT90123563T AT90123563T ATE86592T1 AT E86592 T1 ATE86592 T1 AT E86592T1 AT 90123563 T AT90123563 T AT 90123563T AT 90123563 T AT90123563 T AT 90123563T AT E86592 T1 ATE86592 T1 AT E86592T1
Authority
AT
Austria
Prior art keywords
certain
phosphonomethylaminoxides
deposition
prevention
water systems
Prior art date
Application number
AT90123563T
Other languages
English (en)
Inventor
Chih M Hwa
John Arthur Kelly
Janet Neton
Patricia M Scanlon
Roger R Gaudette
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Application granted granted Critical
Publication of ATE86592T1 publication Critical patent/ATE86592T1/de

Links

Classifications

    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
AT90123563T 1989-12-15 1990-12-07 Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide. ATE86592T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45168189A 1989-12-15 1989-12-15
EP90123563A EP0432664B1 (de) 1989-12-15 1990-12-07 Verhinderung von Ablagerungen in wässerigen Systemen durch bestimmte Phosphonomethylaminoxide

Publications (1)

Publication Number Publication Date
ATE86592T1 true ATE86592T1 (de) 1993-03-15

Family

ID=23793266

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90123563T ATE86592T1 (de) 1989-12-15 1990-12-07 Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide.

Country Status (9)

Country Link
EP (1) EP0432664B1 (de)
JP (1) JP3112956B2 (de)
AT (1) ATE86592T1 (de)
AU (1) AU624754B2 (de)
CA (1) CA2022708C (de)
DE (1) DE69001065T2 (de)
ES (1) ES2039112T3 (de)
NZ (1) NZ234683A (de)
ZA (1) ZA905799B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322636A (en) * 1992-03-30 1994-06-21 Calgon Corporation Polyether polyamino methylene phosphonate n-oxides for high pH scale control
CA2092492A1 (en) * 1992-03-30 1993-10-01 Ecc Specialty Chemicals Inc. N-(2-hydroxyethyl)-n-bis (methylenephosphonic acid) and corresponding n-oxide thereof for high ph scale control
DE69318145T2 (de) * 1993-07-08 1998-08-13 Betzdearborn Inc Kalziumkarbonatablagerungsverhinderungsmittel
US5534157A (en) * 1994-11-10 1996-07-09 Calgon Corporation Polyether polyamino methylene phosphonates for high pH scale control
US5709814A (en) * 1995-10-06 1998-01-20 Calgon Corporation Aqueous system containing a synergistic phosphonate scale control combination
US5580462A (en) * 1995-10-06 1996-12-03 Calgon Corporation Controlling calcium carbonate and calcium phosphate scale in an aqueous system using a synergistic combination
US5702634A (en) * 1995-10-06 1997-12-30 Calgon Corporation Aqueous system containing a synergistic combination including polyether polyamino methylene phosphates for controlling calcium carbonate and calcium phosphate scale
US5593595A (en) * 1995-10-06 1997-01-14 Calgon Corporation Method for controlling scale using a synergistic phosphonate combination
US5772913A (en) * 1996-09-24 1998-06-30 Calgon Corporation Aqueous system containing a synergistic combination for scale control

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429914A (en) * 1964-09-03 1969-02-25 Monsanto Co Organo-phosphono-amine oxides
US3474133A (en) * 1964-09-03 1969-10-21 Monsanto Co Tris(phosphono-lower alkylidene) amine oxides
GB2227997B (en) * 1988-12-20 1992-04-15 Grace W R & Co Scale control
US4973744A (en) * 1989-12-15 1990-11-27 W. R. Grace & Co.-Conn. Ethoxylated N,N-bis-phosphonomethyl 2-(hydroxy)ethylamine N-oxides and water-soluble salts thereof

Also Published As

Publication number Publication date
JP3112956B2 (ja) 2000-11-27
DE69001065D1 (de) 1993-04-15
EP0432664B1 (de) 1993-03-10
AU624754B2 (en) 1992-06-18
CA2022708C (en) 2000-10-03
EP0432664A1 (de) 1991-06-19
ZA905799B (en) 1991-05-29
ES2039112T3 (es) 1993-08-16
DE69001065T2 (de) 1993-06-17
CA2022708A1 (en) 1991-06-16
NZ234683A (en) 1992-03-26
JPH03254899A (ja) 1991-11-13
AU6705190A (en) 1991-06-20

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Legal Events

Date Code Title Description
EELA Cancelled due to lapse of time