FR2130717A1 - - Google Patents

Info

Publication number
FR2130717A1
FR2130717A1 FR7210570A FR7210570A FR2130717A1 FR 2130717 A1 FR2130717 A1 FR 2130717A1 FR 7210570 A FR7210570 A FR 7210570A FR 7210570 A FR7210570 A FR 7210570A FR 2130717 A1 FR2130717 A1 FR 2130717A1
Authority
FR
France
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.)
Granted
Application number
FR7210570A
Other languages
French (fr)
Other versions
FR2130717B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hercules LLC
Original Assignee
Hercules LLC
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 Hercules LLC filed Critical Hercules LLC
Publication of FR2130717A1 publication Critical patent/FR2130717A1/fr
Application granted granted Critical
Publication of FR2130717B1 publication Critical patent/FR2130717B1/fr
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
    • 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
    • C02F5/14—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 phosphorus
    • 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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
FR7210570A 1971-03-24 1972-03-24 Expired FR2130717B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12775671A 1971-03-24 1971-03-24
US23006072A 1972-02-28 1972-02-28

Publications (2)

Publication Number Publication Date
FR2130717A1 true FR2130717A1 (en) 1972-11-03
FR2130717B1 FR2130717B1 (en) 1977-07-22

Family

ID=26825941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7210570A Expired FR2130717B1 (en) 1971-03-24 1972-03-24

Country Status (8)

Country Link
BE (1) BE781252A (en)
CA (1) CA979317A (en)
DE (1) DE2214494A1 (en)
FR (1) FR2130717B1 (en)
GB (1) GB1348595A (en)
IT (1) IT953549B (en)
NL (1) NL7204031A (en)
SE (1) SE377930B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357A1 (en) * 1981-03-04 1982-09-10 Permo Water treatment to de-foul heat exchanger - involves using additives to remove deposits, suspend particles, inhibit corrosion and/or improve filterability
EP0155846A2 (en) * 1984-03-20 1985-09-25 W.R. Grace & Co.-Conn. A 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
EP0860517A1 (en) * 1997-02-19 1998-08-26 Metakorin Wasser-Chemie GmbH Method and composition for corrosion inhibiting water carrying metal systems

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2168359B (en) * 1984-11-08 1988-05-05 Grace W R & Co A method of inhibiting corrosion in aqueous systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036305A (en) * 1959-06-23 1962-05-22 Wright Chem Corp Treatment of water
NL6711881A (en) * 1966-08-31 1968-03-01
FR1544503A (en) * 1966-11-16 1968-10-31 Benckiser Gmbh Joh A Descaler products

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036305A (en) * 1959-06-23 1962-05-22 Wright Chem Corp Treatment of water
NL6711881A (en) * 1966-08-31 1968-03-01
FR1544503A (en) * 1966-11-16 1968-10-31 Benckiser Gmbh Joh A Descaler products

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357A1 (en) * 1981-03-04 1982-09-10 Permo Water treatment to de-foul heat exchanger - involves using additives to remove deposits, suspend particles, inhibit corrosion and/or improve filterability
EP0155846A2 (en) * 1984-03-20 1985-09-25 W.R. Grace & Co.-Conn. A 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
EP0155846A3 (en) * 1984-03-20 1987-09-23 Dearborn Chemicals Limited A 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
EP0860517A1 (en) * 1997-02-19 1998-08-26 Metakorin Wasser-Chemie GmbH Method and composition for corrosion inhibiting water carrying metal systems

Also Published As

Publication number Publication date
SE377930B (en) 1975-08-04
DE2214494A1 (en) 1972-10-05
NL7204031A (en) 1972-09-26
BE781252A (en) 1972-07-17
CA979317A (en) 1975-12-09
IT953549B (en) 1973-08-10
GB1348595A (en) 1974-03-20
FR2130717B1 (en) 1977-07-22

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Legal Events

Date Code Title Description
ST Notification of lapse