GB1297515A - - Google Patents

Info

Publication number
GB1297515A
GB1297515A GB1297515DA GB1297515A GB 1297515 A GB1297515 A GB 1297515A GB 1297515D A GB1297515D A GB 1297515DA GB 1297515 A GB1297515 A GB 1297515A
Authority
GB
United Kingdom
Prior art keywords
water
weight
polyethylene imine
imine
agent
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
Other languages
English (en)
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 filed Critical
Publication of GB1297515A publication Critical patent/GB1297515A/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (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)
  • Compositions Of Macromolecular Compounds (AREA)
GB1297515D 1969-01-03 1969-01-03 Expired GB1297515A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB58169 1969-01-03

Publications (1)

Publication Number Publication Date
GB1297515A true GB1297515A (fr) 1972-11-22

Family

ID=9706902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297515D Expired GB1297515A (fr) 1969-01-03 1969-01-03

Country Status (2)

Country Link
GB (1) GB1297515A (fr)
IT (1) IT1055510B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147627A (en) * 1977-02-07 1979-04-03 American Cyanamid Company Process for scale control using mixtures of polycationic and polyanionic polymers
US4328106A (en) * 1980-06-13 1982-05-04 The United States Of America As Represented By The United States Department Of Energy Method for inhibiting silica precipitation and scaling in geothermal flow systems
US4692315A (en) * 1984-04-25 1987-09-08 Dearborn Chemicals Limited Method of inhibiting corrosion in aqueous systems
US4692316A (en) * 1984-03-20 1987-09-08 Dearborn Chemicals Limited Method of inhibiting corrosion in aqueous systems
US4692317A (en) * 1984-11-08 1987-09-08 W. R. Grace & Co. Corrosion control in aqueous systems using cationic polymers in combination with phosphonohydroxyacetic acid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147627A (en) * 1977-02-07 1979-04-03 American Cyanamid Company Process for scale control using mixtures of polycationic and polyanionic polymers
US4328106A (en) * 1980-06-13 1982-05-04 The United States Of America As Represented By The United States Department Of Energy Method for inhibiting silica precipitation and scaling in geothermal flow systems
US4692316A (en) * 1984-03-20 1987-09-08 Dearborn Chemicals Limited Method of inhibiting corrosion in aqueous systems
US4692315A (en) * 1984-04-25 1987-09-08 Dearborn Chemicals Limited Method of inhibiting corrosion in aqueous systems
US4692317A (en) * 1984-11-08 1987-09-08 W. R. Grace & Co. Corrosion control in aqueous systems using cationic polymers in combination with phosphonohydroxyacetic acid

Also Published As

Publication number Publication date
IT1055510B (it) 1982-01-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees