DE69001065D1 - Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide. - Google Patents

Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide.

Info

Publication number
DE69001065D1
DE69001065D1 DE9090123563T DE69001065T DE69001065D1 DE 69001065 D1 DE69001065 D1 DE 69001065D1 DE 9090123563 T DE9090123563 T DE 9090123563T DE 69001065 T DE69001065 T DE 69001065T DE 69001065 D1 DE69001065 D1 DE 69001065D1
Authority
DE
Germany
Prior art keywords
aqueous systems
certain
phosphonomethylaminoxides
deposits
prevention
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.)
Expired - Lifetime
Application number
DE9090123563T
Other languages
English (en)
Other versions
DE69001065T2 (de
Inventor
Chih M Hwa
John Arthur Kelly
Janet Neton
Patricia M Scanlon
Roger R Gaudette
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.)
WR Grace and Co Conn
WR Grace and Co
Original Assignee
WR Grace and Co Conn
WR Grace and 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 WR Grace and Co Conn, WR Grace and Co filed Critical WR Grace and Co Conn
Application granted granted Critical
Publication of DE69001065D1 publication Critical patent/DE69001065D1/de
Publication of DE69001065T2 publication Critical patent/DE69001065T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE9090123563T 1989-12-15 1990-12-07 Verhinderung von ablagerungen in waesserigen systemen durch bestimmte phosphonomethylaminoxide. Expired - Lifetime DE69001065T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45168189A 1989-12-15 1989-12-15

Publications (2)

Publication Number Publication Date
DE69001065D1 true DE69001065D1 (de) 1993-04-15
DE69001065T2 DE69001065T2 (de) 1993-06-17

Family

ID=23793266

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9090123563T Expired - Lifetime DE69001065T2 (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
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
US5322636A (en) * 1992-03-30 1994-06-21 Calgon Corporation Polyether polyamino methylene phosphonate n-oxides for high pH scale control
EP0633226B1 (de) * 1993-07-08 1998-04-22 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
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
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
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
CA2022708C (en) 2000-10-03
DE69001065T2 (de) 1993-06-17
ES2039112T3 (es) 1993-08-16
JPH03254899A (ja) 1991-11-13
EP0432664A1 (de) 1991-06-19
NZ234683A (en) 1992-03-26
AU6705190A (en) 1991-06-20
CA2022708A1 (en) 1991-06-16
ATE86592T1 (de) 1993-03-15
AU624754B2 (en) 1992-06-18
ZA905799B (en) 1991-05-29
EP0432664B1 (de) 1993-03-10
JP3112956B2 (ja) 2000-11-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition