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ATE155442T1 - Copolymere und ihre verwendung zum dispergieren von eisen - Google Patents

Copolymere und ihre verwendung zum dispergieren von eisen

Info

Publication number
ATE155442T1
ATE155442T1 AT92250323T AT92250323T ATE155442T1 AT E155442 T1 ATE155442 T1 AT E155442T1 AT 92250323 T AT92250323 T AT 92250323T AT 92250323 T AT92250323 T AT 92250323T AT E155442 T1 ATE155442 T1 AT E155442T1
Authority
AT
Austria
Prior art keywords
copolymers
dispersing iron
iron
dispersing
disperse
Prior art date
Application number
AT92250323T
Other languages
English (en)
Inventor
Chih Ming Hwa
John Arthur Kelly
Wun Ten Tai
Lai-Duien Grace Fan
Robert Paul Kreh
Brian Greaves
Original Assignee
Betzdearborn Inc
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 Betzdearborn Inc filed Critical Betzdearborn Inc
Application granted granted Critical
Publication of ATE155442T1 publication Critical patent/ATE155442T1/de

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Iron (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
AT92250323T 1991-11-18 1992-11-09 Copolymere und ihre verwendung zum dispergieren von eisen ATE155442T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/793,760 US5183574A (en) 1991-11-18 1991-11-18 Method of dispersing iron

Publications (1)

Publication Number Publication Date
ATE155442T1 true ATE155442T1 (de) 1997-08-15

Family

ID=25160727

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92250323T ATE155442T1 (de) 1991-11-18 1992-11-09 Copolymere und ihre verwendung zum dispergieren von eisen

Country Status (8)

Country Link
US (1) US5183574A (de)
EP (1) EP0543473B1 (de)
AT (1) ATE155442T1 (de)
AU (1) AU649343B2 (de)
CA (1) CA2075243C (de)
DE (1) DE69220893T2 (de)
ES (1) ES2104819T3 (de)
ZA (1) ZA925303B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5736405A (en) * 1996-03-21 1998-04-07 Nalco Chemical Company Monitoring boiler internal treatment with fluorescent-tagged polymers
US5698250A (en) 1996-04-03 1997-12-16 Tenneco Packaging Inc. Modifield atmosphere package for cut of raw meat
US6395195B1 (en) 1996-08-08 2002-05-28 Pactiv Corporation Oxygen scavenger accelerator
US5928560A (en) 1996-08-08 1999-07-27 Tenneco Packaging Inc. Oxygen scavenger accelerator
AUPO976797A0 (en) * 1997-10-14 1997-11-06 Orica Australia Pty Ltd Method and composition (III)
US20020028860A1 (en) * 1999-04-16 2002-03-07 E. Michael Kerr Method of modifying rheology of slurries in mineral processing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA614685A (en) * 1961-02-14 Tabachnick Howard Method for preventing deposition of iron salts
US4048066A (en) * 1976-11-17 1977-09-13 Chemed Corporation Method of inhibiting scale
US4374733A (en) * 1981-04-01 1983-02-22 Betz Laboratories, Inc. Method for treating aqueous mediums
US4545920A (en) * 1982-05-28 1985-10-08 Nalco Chemical Company Boiler water treating compositions
US4640793A (en) * 1984-02-14 1987-02-03 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4618448A (en) * 1984-11-09 1986-10-21 Calgon Corporation Carboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit control
US4680135A (en) * 1984-11-09 1987-07-14 Calgon Corporation Carboxylic/sulfonic polymer and carboxylic/polyalkylene oxide polymer admixtures for use in iron oxide deposit control
US4885097A (en) * 1986-12-08 1989-12-05 The B. F. Goodrich Company Stabilization of metal ions with terpolymers containing styrene sulfonic acid
US4952327A (en) * 1986-12-08 1990-08-28 The B. F. Goodrich Company Scale control with terpolymers containing styrene sulfonic acid
US4952326A (en) * 1986-12-08 1990-08-28 The B. F. Goodrich Company Dispersion of particulates in an aqueous medium
DE3786003T2 (de) * 1986-12-19 1993-09-02 Nat Starch Chem Invest Wasserloesliche polymere, die allyloxybenzensulfonat-monomere enthalten.
US4997571A (en) * 1990-01-05 1991-03-05 Mogul Corporation Method of treating water

Also Published As

Publication number Publication date
US5183574A (en) 1993-02-02
ZA925303B (en) 1993-05-18
DE69220893T2 (de) 1998-01-15
CA2075243A1 (en) 1993-05-19
ES2104819T3 (es) 1997-10-16
AU2032592A (en) 1993-06-03
EP0543473A1 (de) 1993-05-26
AU649343B2 (en) 1994-05-19
CA2075243C (en) 2000-12-12
EP0543473B1 (de) 1997-07-16
DE69220893D1 (de) 1997-08-21

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee