CA1069800A - Methode de dispersion du carbonate de calcium - Google Patents

Methode de dispersion du carbonate de calcium

Info

Publication number
CA1069800A
CA1069800A CA267,461A CA267461A CA1069800A CA 1069800 A CA1069800 A CA 1069800A CA 267461 A CA267461 A CA 267461A CA 1069800 A CA1069800 A CA 1069800A
Authority
CA
Canada
Prior art keywords
po3m2
amino
organo
organo phosphonate
phosphonate
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
Application number
CA267,461A
Other languages
English (en)
Inventor
Lewis Volgenau
Philip S. Davis
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.)
GE BetzDearborn Canada Co
Original Assignee
Betz Laboratories Ltd
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 Betz Laboratories Ltd filed Critical Betz Laboratories Ltd
Application granted granted Critical
Publication of CA1069800A publication Critical patent/CA1069800A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14Treatment 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)
  • 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)
  • Paper (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
CA267,461A 1976-06-07 1976-12-08 Methode de dispersion du carbonate de calcium Expired CA1069800A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69345376A 1976-06-07 1976-06-07

Publications (1)

Publication Number Publication Date
CA1069800A true CA1069800A (fr) 1980-01-15

Family

ID=24784715

Family Applications (1)

Application Number Title Priority Date Filing Date
CA267,461A Expired CA1069800A (fr) 1976-06-07 1976-12-08 Methode de dispersion du carbonate de calcium

Country Status (5)

Country Link
BE (1) BE855456A (fr)
CA (1) CA1069800A (fr)
DE (1) DE2725199A1 (fr)
IT (1) IT1086672B (fr)
NL (1) NL7702952A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6869503B2 (en) 2001-06-06 2005-03-22 Solutia, Inc. Composition for inhibiting calcium salt scale
US6890404B2 (en) 2001-06-06 2005-05-10 Solutia, Inc. Composition for the production of improved pulp
US7172677B2 (en) 2001-06-06 2007-02-06 Solutia Inc. Method for inhibiting calcium salt scale

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT71647B (en) * 1979-08-16 1982-01-21 Calgon Corp Process for preparing a composition for the control of scale and deposits in gas-liquid separation
US4479878A (en) * 1982-10-28 1984-10-30 Betz Laboratories, Inc. High calcium tolerant deposit control method
DE69114177T2 (de) * 1990-04-25 1996-06-05 Nalco Chemical Co Phospinsäureesteroligomere, ihre Zusammensetzungen und Verfahren zu ihrer Herstellung und ihre Verwendung.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6869503B2 (en) 2001-06-06 2005-03-22 Solutia, Inc. Composition for inhibiting calcium salt scale
US6890404B2 (en) 2001-06-06 2005-05-10 Solutia, Inc. Composition for the production of improved pulp
US7172677B2 (en) 2001-06-06 2007-02-06 Solutia Inc. Method for inhibiting calcium salt scale
US7300542B2 (en) 2001-06-06 2007-11-27 Thermophos Trading Gmbh Method for inhibiting calcium salt scale
USRE41552E1 (en) * 2001-06-06 2010-08-24 Thermphos Trading Gmbh Composition for the production of improved pulp

Also Published As

Publication number Publication date
BE855456A (fr) 1977-10-03
NL7702952A (nl) 1977-12-09
DE2725199A1 (de) 1977-12-15
IT1086672B (it) 1985-05-28

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Legal Events

Date Code Title Description
MKEX Expiry