SE7801314L - MIXTURES OF POLYCATHIONIC AND POLYANJONIC POLYMERS - Google Patents

MIXTURES OF POLYCATHIONIC AND POLYANJONIC POLYMERS

Info

Publication number
SE7801314L
SE7801314L SE7801314A SE7801314A SE7801314L SE 7801314 L SE7801314 L SE 7801314L SE 7801314 A SE7801314 A SE 7801314A SE 7801314 A SE7801314 A SE 7801314A SE 7801314 L SE7801314 L SE 7801314L
Authority
SE
Sweden
Prior art keywords
polycathionic
polyanjonic
polymers
mixtures
polyanjonic polymers
Prior art date
Application number
SE7801314A
Other languages
Swedish (sv)
Inventor
R M Goodman
Original Assignee
American Cyanamid 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 US05/766,330 external-priority patent/US4147627A/en
Priority claimed from US05/766,329 external-priority patent/US4164521A/en
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of SE7801314L publication Critical patent/SE7801314L/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
    • 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

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
SE7801314A 1977-02-07 1978-02-03 MIXTURES OF POLYCATHIONIC AND POLYANJONIC POLYMERS SE7801314L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/766,330 US4147627A (en) 1977-02-07 1977-02-07 Process for scale control using mixtures of polycationic and polyanionic polymers
US05/766,329 US4164521A (en) 1977-02-07 1977-02-07 Mixtures of polycationic and polyanionic polymers for scale control

Publications (1)

Publication Number Publication Date
SE7801314L true SE7801314L (en) 1978-08-08

Family

ID=27117725

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7801314A SE7801314L (en) 1977-02-07 1978-02-03 MIXTURES OF POLYCATHIONIC AND POLYANJONIC POLYMERS

Country Status (8)

Country Link
JP (1) JPS53127383A (en)
BR (1) BR7800706A (en)
DE (1) DE2804434A1 (en)
FR (1) FR2379616A1 (en)
GB (1) GB1575173A (en)
IL (1) IL53964A0 (en)
NL (1) NL7801222A (en)
SE (1) SE7801314L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600524A (en) * 1983-12-08 1986-07-15 W. R. Grace & Co. Composition and method for inhibiting scale
US4631131A (en) * 1983-12-08 1986-12-23 R. W. Grace & Co. Method for inhibiting scale
GB2152919B (en) * 1983-12-08 1987-08-26 Dearborn Chemicals Co Method of controlling scale in pressurised boilers
GB2155919B (en) * 1984-03-20 1987-12-02 Dearborn Chemicals Ltd A method of inhibiting corrosion in aqueous systems
GB2236314A (en) * 1989-09-06 1991-04-03 Grace W R & Co Inhibition of deposition in aqueous systems.
US5038861A (en) * 1990-05-23 1991-08-13 Chevron Research And Technology Company Method for prolonging the useful life of scale inhibitors injected within a formation
US5181567A (en) * 1990-05-23 1993-01-26 Chevron Research And Technology Company Method for prolonging the useful life of polymeric or blended scale inhibitors injected within a formation
NZ242970A (en) * 1991-05-31 1994-12-22 Calgon Corp Composition for deposit control in a paper-making black liquor system comprising a mixture of acid group-containing polymer(s) and amine- or ammonium-containing polymer(s)
JP7278151B2 (en) * 2019-06-03 2023-05-19 アクアス株式会社 Scale prevention method for drainage system
WO2021117542A1 (en) * 2019-12-12 2021-06-17 パナソニックＩｐマネジメント株式会社 Water softener

Also Published As

Publication number Publication date
FR2379616A1 (en) 1978-09-01
DE2804434A1 (en) 1978-08-10
IL53964A0 (en) 1978-04-30
BR7800706A (en) 1979-04-03
JPS53127383A (en) 1978-11-07
NL7801222A (en) 1978-08-09
GB1575173A (en) 1980-09-17

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