BE754550A - IMPROVEMENTS IN FERROUS METAL COATING - Google Patents

IMPROVEMENTS IN FERROUS METAL COATING

Info

Publication number
BE754550A
BE754550A BE754550DA BE754550A BE 754550 A BE754550 A BE 754550A BE 754550D A BE754550D A BE 754550DA BE 754550 A BE754550 A BE 754550A
Authority
BE
Belgium
Prior art keywords
metal coating
ferrous metal
ferrous
coating
metal
Prior art date
Application number
Other languages
French (fr)
Inventor
S Tongyai
Original Assignee
Pennwalt 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.)
Publication date
Publication of BE754550A publication Critical patent/BE754550A/en

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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/46—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing oxalates

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
BE754550D 1969-08-08 IMPROVEMENTS IN FERROUS METAL COATING BE754550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84868969A 1969-08-08 1969-08-08

Publications (1)

Publication Number Publication Date
BE754550A true BE754550A (en) 1971-02-08

Family

ID=25304010

Family Applications (1)

Application Number Title Priority Date Filing Date
BE754550D BE754550A (en) 1969-08-08 IMPROVEMENTS IN FERROUS METAL COATING

Country Status (9)

Country Link
US (1) US3649371A (en)
JP (1) JPS4918531B1 (en)
BE (1) BE754550A (en)
CA (1) CA923409A (en)
DE (1) DE2036869A1 (en)
FR (1) FR2056540A5 (en)
GB (1) GB1267228A (en)
NL (1) NL7011607A (en)
SE (1) SE366780B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879237A (en) * 1973-01-16 1975-04-22 Amchem Prod Coating compositions for stainless steels
JPS52107143U (en) * 1976-02-11 1977-08-15
US4298404A (en) * 1979-09-06 1981-11-03 Richardson Chemical Company Chromium-free or low-chromium metal surface passivation
US4444601A (en) * 1979-09-06 1984-04-24 Richardson Chemical Company Metal article passivated by a bath having an organic activator and a film-forming element
US5723183A (en) * 1996-09-16 1998-03-03 Birchwood Laboratories, Inc. Metal coloring process
US6576346B1 (en) * 1999-05-24 2003-06-10 Birchwood Laboratories, Inc. Composition and method for metal coloring process
JP3791591B2 (en) * 2000-11-29 2006-06-28 株式会社デンソー Fuel injection valve, adjustment pipe for adjusting spring force thereof, and press-fitting method thereof
US7964044B1 (en) 2003-10-29 2011-06-21 Birchwood Laboratories, Inc. Ferrous metal magnetite coating processes and reagents
US7144599B2 (en) 2004-07-15 2006-12-05 Birchwood Laboratories, Inc. Hybrid metal oxide/organometallic conversion coating for ferrous metals
ES2694641T3 (en) 2016-05-24 2018-12-26 Technochim Sa Products for the preventive treatment of stainless steel and related methods

Also Published As

Publication number Publication date
GB1267228A (en) 1972-03-15
NL7011607A (en) 1971-02-10
DE2036869A1 (en) 1971-02-18
US3649371A (en) 1972-03-14
SE366780B (en) 1974-05-06
CA923409A (en) 1973-03-27
JPS4918531B1 (en) 1974-05-10
FR2056540A5 (en) 1971-05-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: PENNWALT CORP.

Effective date: 19840807