BR8602820A - Processo para estabilizar sistemas aquosos,processo para reduzir a viscosidade de suspensoes aquosas concentradas de caolim ou carbonato de calcio e processo para inibir a precipitacao de zinco e sais de zinco em sistemas aquosos - Google Patents

Processo para estabilizar sistemas aquosos,processo para reduzir a viscosidade de suspensoes aquosas concentradas de caolim ou carbonato de calcio e processo para inibir a precipitacao de zinco e sais de zinco em sistemas aquosos

Info

Publication number
BR8602820A
BR8602820A BR8602820A BR8602820A BR8602820A BR 8602820 A BR8602820 A BR 8602820A BR 8602820 A BR8602820 A BR 8602820A BR 8602820 A BR8602820 A BR 8602820A BR 8602820 A BR8602820 A BR 8602820A
Authority
BR
Brazil
Prior art keywords
aqueous systems
zinc
california
precipitation
inhibit
Prior art date
Application number
BR8602820A
Other languages
English (en)
Inventor
David Richard Amick
William Mathis Hann
John Natoli
Original Assignee
Rohm & Haas
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27115044&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8602820(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rohm & Haas filed Critical Rohm & Haas
Publication of BR8602820A publication Critical patent/BR8602820A/pt

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
    • C02F5/12—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 nitrogen
    • C02F5/125—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 nitrogen combined with inorganic substances
    • 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
    • C02F5/12—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 nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • 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
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BR8602820A 1985-06-26 1986-06-18 Processo para estabilizar sistemas aquosos,processo para reduzir a viscosidade de suspensoes aquosas concentradas de caolim ou carbonato de calcio e processo para inibir a precipitacao de zinco e sais de zinco em sistemas aquosos BR8602820A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74905985A 1985-06-26 1985-06-26
US06/861,732 US4711725A (en) 1985-06-26 1986-05-07 Method of stabilizing aqueous systems

Publications (1)

Publication Number Publication Date
BR8602820A true BR8602820A (pt) 1987-02-10

Family

ID=27115044

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8602820A BR8602820A (pt) 1985-06-26 1986-06-18 Processo para estabilizar sistemas aquosos,processo para reduzir a viscosidade de suspensoes aquosas concentradas de caolim ou carbonato de calcio e processo para inibir a precipitacao de zinco e sais de zinco em sistemas aquosos

Country Status (12)

Country Link
US (1) US4711725A (pt)
EP (1) EP0206814B2 (pt)
AU (1) AU596974B2 (pt)
BR (1) BR8602820A (pt)
CA (1) CA1336565C (pt)
DE (1) DE3672136D1 (pt)
DK (1) DK300286A (pt)
ES (1) ES2000120A6 (pt)
GR (1) GR861663B (pt)
IE (1) IE58996B1 (pt)
IL (1) IL79238A (pt)
MX (1) MX164491B (pt)

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Also Published As

Publication number Publication date
EP0206814B1 (en) 1990-06-20
IL79238A (en) 1991-03-10
DK300286A (da) 1986-12-27
US4711725A (en) 1987-12-08
IE861676L (en) 1986-12-26
AU5923486A (en) 1987-01-08
MX164491B (es) 1992-08-20
EP0206814A3 (en) 1987-08-26
AU596974B2 (en) 1990-05-24
ES2000120A6 (es) 1987-12-16
CA1336565C (en) 1995-08-08
DK300286D0 (da) 1986-06-25
EP0206814B2 (en) 1995-12-13
EP0206814A2 (en) 1986-12-30
DE3672136D1 (de) 1990-07-26
IL79238A0 (en) 1986-09-30
IE58996B1 (en) 1993-12-03
GR861663B (en) 1986-10-09

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