ATE3067T1 - Verfahren zur verhinderung der korrosion von kohlenstoffarmen staehlen in waessrigem medium. - Google Patents

Verfahren zur verhinderung der korrosion von kohlenstoffarmen staehlen in waessrigem medium.

Info

Publication number
ATE3067T1
ATE3067T1 AT79400284T AT79400284T ATE3067T1 AT E3067 T1 ATE3067 T1 AT E3067T1 AT 79400284 T AT79400284 T AT 79400284T AT 79400284 T AT79400284 T AT 79400284T AT E3067 T1 ATE3067 T1 AT E3067T1
Authority
AT
Austria
Prior art keywords
low carbon
aqueous medium
preventing corrosion
carbon steels
acid
Prior art date
Application number
AT79400284T
Other languages
English (en)
Inventor
Bennett P. Boffardi
Original Assignee
Calgon Corporation
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 Calgon Corporation filed Critical Calgon Corporation
Application granted granted Critical
Publication of ATE3067T1 publication Critical patent/ATE3067T1/de

Links

Classifications

    • 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
    • C23F11/10—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 using organic inhibitors
    • C23F11/167—Phosphorus-containing compounds
    • C23F11/1676—Phosphonic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
AT79400284T 1978-05-05 1979-05-04 Verfahren zur verhinderung der korrosion von kohlenstoffarmen staehlen in waessrigem medium. ATE3067T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/903,169 US4206075A (en) 1978-05-05 1978-05-05 Corrosion inhibitor
EP79400284A EP0006041B1 (de) 1978-05-05 1979-05-04 Verfahren zur Verhinderung der Korrosion von kohlenstoffarmen Stählen in wässrigem Medium

Publications (1)

Publication Number Publication Date
ATE3067T1 true ATE3067T1 (de) 1983-04-15

Family

ID=25417054

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79400284T ATE3067T1 (de) 1978-05-05 1979-05-04 Verfahren zur verhinderung der korrosion von kohlenstoffarmen staehlen in waessrigem medium.

Country Status (7)

Country Link
US (1) US4206075A (de)
EP (1) EP0006041B1 (de)
JP (1) JPS54146238A (de)
AT (1) ATE3067T1 (de)
CA (1) CA1115041A (de)
DE (1) DE2965180D1 (de)
DK (1) DK183779A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409121A (en) * 1980-07-21 1983-10-11 Uop Inc. Corrosion inhibitors
GB2084128B (en) * 1980-09-25 1983-11-16 Dearborn Chemicals Ltd Inhibiting corrosion in aqueous systems
US4649025A (en) * 1985-09-16 1987-03-10 W. R. Grace & Co. Anti-corrosion composition
GB2184109A (en) * 1985-10-29 1987-06-17 Grace W R & Co The treatment of aqueous systems
US4935065A (en) * 1986-08-22 1990-06-19 Ecolab Inc. Phosphate-free alkaline detergent for cleaning-in-place of food processing equipment
US5017306A (en) * 1988-11-09 1991-05-21 W. R. Grace & Co.-Conn. Corrosion inhibitor
US4911887A (en) * 1988-11-09 1990-03-27 W. R. Grace & Co.-Conn. Phosphonic acid compounds and the preparation and use thereof
US4981648A (en) * 1988-11-09 1991-01-01 W. R. Grace & Co.-Conn. Inhibiting corrosion in aqueous systems
US5266722A (en) * 1988-11-09 1993-11-30 W. R. Grace & Co.-Conn. Polyether bis-phosphonic acid compounds
JPH0661750B2 (ja) * 1990-08-09 1994-08-17 工業技術院長 腐食防止法
US10640473B2 (en) 2016-07-29 2020-05-05 Ecolab Usa Inc. Azole derivatives for corrosion mitigation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1201334A (en) 1966-10-12 1970-08-05 Albright & Wilson Mfg Ltd Corrosion inhibition
US3483133A (en) * 1967-08-25 1969-12-09 Calgon C0Rp Method of inhibiting corrosion with aminomethylphosphonic acid compositions
GB1208827A (en) * 1968-02-23 1970-10-14 Grace W R & Co Composition and process for inhibiting scaling and/or corrosion in cooling water systems and for stabilizing phosphate solutions
US3532639A (en) * 1968-03-04 1970-10-06 Calgon C0Rp Corrosion inhibiting with combinations of zinc salts,and derivatives of methanol phosphonic acid
DE1767454C2 (de) * 1968-05-11 1983-01-27 Henkel KGaA, 4000 Düsseldorf Verfahren zum Korrosions- und Versteinungsschutz in Warm- und Heißwassersystemen
US3510436A (en) * 1968-10-31 1970-05-05 Betz Laboratories Corrosion inhibition in water system
GB1283359A (en) * 1968-11-12 1972-07-26 Rothenborg Specialmaskiner For A method of and apparatus for manufacturing garments
US4076501A (en) * 1971-06-26 1978-02-28 Ciba-Geigy Corporation Corrosion inhibition of water systems with phosphonic acids
US3932303A (en) * 1973-06-04 1976-01-13 Calgon Corporation Corrosion inhibition with triethanolamine phosphate ester compositions
US3992318A (en) * 1973-10-09 1976-11-16 Drew Chemical Corporation Corrosion inhibitor
US3935125A (en) * 1974-06-25 1976-01-27 Chemed Corporation Method and composition for inhibiting corrosion in aqueous systems

Also Published As

Publication number Publication date
CA1115041A (en) 1981-12-29
DK183779A (da) 1979-11-06
DE2965180D1 (en) 1983-05-19
EP0006041B1 (de) 1983-04-13
EP0006041A1 (de) 1979-12-12
JPH0152476B2 (de) 1989-11-08
US4206075A (en) 1980-06-03
JPS54146238A (en) 1979-11-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee