BE858452Q - Dissolution rapide de polymeres solubles dans l'eau - Google Patents

Dissolution rapide de polymeres solubles dans l'eau

Info

Publication number
BE858452Q
BE858452Q BE1008363A BE1008363A BE858452Q BE 858452 Q BE858452 Q BE 858452Q BE 1008363 A BE1008363 A BE 1008363A BE 1008363 A BE1008363 A BE 1008363A BE 858452 Q BE858452 Q BE 858452Q
Authority
BE
Belgium
Prior art keywords
water
soluble polymers
rapid dissolution
dissolution
rapid
Prior art date
Application number
BE1008363A
Other languages
English (en)
Inventor
D R Anderson
A J Frisque
Original Assignee
Nalco Chemical 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
Priority claimed from US92031A external-priority patent/US3624019A/en
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of BE858452Q publication Critical patent/BE858452Q/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5227Processes for facilitating the dissolution of solid flocculants in water
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00Characterised by the use of unspecified polymers
    • C08J2300/10Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00Earth boring, well treating, and oil field chemistry
    • Y10S507/904Process of making fluids or additives therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Colloid Chemistry (AREA)
BE1008363A 1970-12-15 1977-09-07 Dissolution rapide de polymeres solubles dans l'eau BE858452Q (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US92031A US3624019A (en) 1970-12-15 1970-12-15 Process for rapidly dissolving water-soluble polymers
US17294671A 1971-08-18 1971-08-18
US27832972A 1972-08-07 1972-08-07

Publications (1)

Publication Number Publication Date
BE858452Q true BE858452Q (fr) 1978-01-02

Family

ID=27377044

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1008363A BE858452Q (fr) 1970-12-15 1977-09-07 Dissolution rapide de polymeres solubles dans l'eau

Country Status (2)

Country Link
US (1) US3734873A (fr)
BE (1) BE858452Q (fr)

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: NALCO CHEMICAL CY

Effective date: 19900930