WO1995007241A1 - Carbohydrate-based scale inhibitor - Google Patents

Carbohydrate-based scale inhibitor Download PDF

Info

Publication number
WO1995007241A1
WO1995007241A1 PCT/EP1994/002873 EP9402873W WO9507241A1 WO 1995007241 A1 WO1995007241 A1 WO 1995007241A1 EP 9402873 W EP9402873 W EP 9402873W WO 9507241 A1 WO9507241 A1 WO 9507241A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbohydrate
scale inhibitor
based scale
oxidized
polyglucosan
Prior art date
Application number
PCT/EP1994/002873
Other languages
German (de)
French (fr)
Inventor
Konrad Engelskirchen
Christian Nitsch
Herbert Fischer
Martina Sanders
Original Assignee
Henkel Kommanditgesellschaft Auf Aktien
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 Henkel Kommanditgesellschaft Auf Aktien filed Critical Henkel Kommanditgesellschaft Auf Aktien
Publication of WO1995007241A1 publication Critical patent/WO1995007241A1/en

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)
  • 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)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Detergent Compositions (AREA)

Abstract

The invention concerns the use of oxidized carboxy-group-containing polyglucosans and/or soluble salts thereof as threshold-action scale inhibitors in aqueous systems. Normally, it is sufficient to add 50 to 5000 ppm of the oxidized polyglucosan or its salt to the aqueous system.
PCT/EP1994/002873 1993-09-08 1994-08-31 Carbohydrate-based scale inhibitor WO1995007241A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934330339 DE4330339A1 (en) 1993-09-08 1993-09-08 Carbohydrate-based scale inhibitor
DEP4330339.0 1993-09-08

Publications (1)

Publication Number Publication Date
WO1995007241A1 true WO1995007241A1 (en) 1995-03-16

Family

ID=6497116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1994/002873 WO1995007241A1 (en) 1993-09-08 1994-08-31 Carbohydrate-based scale inhibitor

Country Status (2)

Country Link
DE (1) DE4330339A1 (en)
WO (1) WO1995007241A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2806936A1 (en) 2010-08-03 2012-02-09 Basf Se Carrier fluids for abrasives
EP2809754A1 (en) 2012-02-01 2014-12-10 Basf Se Cooling and/or lubricating fluids for wafer production

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1810571A1 (en) * 1968-11-23 1970-06-25 Benckiser Gmbh Joh A Process to prevent stone-forming deposits in aqueous systems
FR2074096A5 (en) * 1969-12-23 1971-10-01 Fmc Corp
US3691155A (en) * 1970-12-28 1972-09-12 Jack H Kolaian Heat treatment of oxidized starch
EP0107962A1 (en) * 1982-10-25 1984-05-09 Mitsubishi Gas Chemical Company, Inc. Scale inhibitor
WO1993016110A1 (en) * 1992-02-11 1993-08-19 Henkel Kommanditgesellschaft Auf Aktien Process for producing polysaccharide-based plycarboxylates
DE4228786A1 (en) * 1992-08-29 1994-03-03 Henkel Kgaa Dishwashing liquid with selected builder system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1810571A1 (en) * 1968-11-23 1970-06-25 Benckiser Gmbh Joh A Process to prevent stone-forming deposits in aqueous systems
FR2074096A5 (en) * 1969-12-23 1971-10-01 Fmc Corp
US3691155A (en) * 1970-12-28 1972-09-12 Jack H Kolaian Heat treatment of oxidized starch
EP0107962A1 (en) * 1982-10-25 1984-05-09 Mitsubishi Gas Chemical Company, Inc. Scale inhibitor
WO1993016110A1 (en) * 1992-02-11 1993-08-19 Henkel Kommanditgesellschaft Auf Aktien Process for producing polysaccharide-based plycarboxylates
DE4228786A1 (en) * 1992-08-29 1994-03-03 Henkel Kgaa Dishwashing liquid with selected builder system

Also Published As

Publication number Publication date
DE4330339A1 (en) 1995-03-09

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