IT944969B - Procedimento e composizione per inibire la corrosione di metalli - Google Patents

Procedimento e composizione per inibire la corrosione di metalli

Info

Publication number
IT944969B
IT944969B IT54127/71A IT5412771A IT944969B IT 944969 B IT944969 B IT 944969B IT 54127/71 A IT54127/71 A IT 54127/71A IT 5412771 A IT5412771 A IT 5412771A IT 944969 B IT944969 B IT 944969B
Authority
IT
Italy
Prior art keywords
metals
procedure
composition
inhibit corrosion
inhibit
Prior art date
Application number
IT54127/71A
Other languages
English (en)
Original Assignee
Calgon Corp
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 Corp filed Critical Calgon Corp
Application granted granted Critical
Publication of IT944969B publication Critical patent/IT944969B/it

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
IT54127/71A 1970-11-27 1971-11-16 Procedimento e composizione per inibire la corrosione di metalli IT944969B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9341970A 1970-11-27 1970-11-27

Publications (1)

Publication Number Publication Date
IT944969B true IT944969B (it) 1973-04-20

Family

ID=22238825

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54127/71A IT944969B (it) 1970-11-27 1971-11-16 Procedimento e composizione per inibire la corrosione di metalli

Country Status (7)

Country Link
US (1) US3668138A (it)
BE (1) BE775859A (it)
DE (1) DE2158796A1 (it)
FR (1) FR2115429B3 (it)
IT (1) IT944969B (it)
LU (1) LU64346A1 (it)
NL (1) NL7115400A (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979385A (en) * 1969-11-19 1976-09-07 Henkel & Cie G.M.B.H. 1-Aminoalkane-1,1-diphosphonic acids and their salts
DE2104476C2 (de) * 1971-02-01 1983-12-01 Henkel KGaA, 4000 Düsseldorf Verfahren zur Verhinderung von Ausfällungen in Wasser oder wäßrigen Lösungen
DE2115737C3 (de) * 1971-03-31 1979-11-08 Henkel Kgaa, 4000 Duesseldorf Verfahren zur Herstellung von 1 - Aminoalkan-1,1 -diphosphonsäuren
US4076501A (en) * 1971-06-26 1978-02-28 Ciba-Geigy Corporation Corrosion inhibition of water systems with phosphonic acids
GB1392044A (en) * 1971-06-26 1975-04-23 Ciba Geigy Ag Corrosion inhibiting composition
US3909447A (en) * 1972-07-17 1975-09-30 Petrolite Corp Mixtures of thiophosphates, oxygen phosphates and pyrophosphates
US4051029A (en) * 1972-07-17 1977-09-27 Petrolite Corporation Process of inhibiting scale formation with mixtures of thio-, oxygen or thio-oxygen phosphates and pyrophosphates
USB336566I5 (it) * 1973-02-28 1975-01-28
DE2520265C2 (de) * 1975-05-07 1983-11-03 Degussa Ag, 6000 Frankfurt Mittel zur Verhinderung von Korrosionen in wässrigen Systemen
DE2942903A1 (de) * 1979-10-24 1981-05-07 Chemische Werke Hüls AG, 4370 Marl Kavitationshemmende, frostsichere kuehl- bzw. waermeuebertragungsfluessigkeiten
US4427459A (en) 1982-01-25 1984-01-24 Pennwalt Corporation Phosphate conversion coatings for metals with reduced coating weights and crystal sizes
DE3425812A1 (de) * 1984-07-13 1986-01-16 Deutsches Krebsforschungszentrum, 6900 Heidelberg Neue 1-hydroxy-1,1-diphosphonsaeureverbindungen, verfahren zu ihrer herstellung und pharmakologische zubereitungen, insbesondere zur behandlung von knochentumoren
US4759900A (en) * 1986-08-27 1988-07-26 General Electric Company Inhibition of radioactive cobalt deposition in water-cooled nuclear reactors
US4950449A (en) * 1986-08-27 1990-08-21 General Electric Company Inhibition of radioactive cobalt deposition in water-cooled nuclear reactors
EP0822270A1 (en) * 1996-07-30 1998-02-04 Solutia Europe N.V./S.A. Water-treatment composition and method of use

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303139A (en) * 1962-01-27 1967-02-07 Henkel & Cie Gmbh Aminophosphonic acids and their derivatives as complex formers for metal ions
US3518203A (en) * 1966-06-28 1970-06-30 Drew Chem Corp Corrosion and scale inhibitor compositions and processes therefor
US3483133A (en) * 1967-08-25 1969-12-09 Calgon C0Rp Method of inhibiting corrosion with aminomethylphosphonic acid compositions
US3600470A (en) * 1967-10-27 1971-08-17 Swift & Co Hydroxy or alkoxy phosphonate compositions and amine salts thereof
US3532639A (en) * 1968-03-04 1970-10-06 Calgon C0Rp Corrosion inhibiting with combinations of zinc salts,and derivatives of methanol phosphonic acid

Also Published As

Publication number Publication date
FR2115429A3 (it) 1972-07-07
BE775859A (fr) 1972-05-26
LU64346A1 (it) 1972-08-03
US3668138A (en) 1972-06-06
FR2115429B3 (it) 1974-08-19
NL7115400A (it) 1972-05-30
DE2158796A1 (de) 1972-05-31

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