CA997989A - Composition and method for producing brown coatings on brass - Google Patents

Composition and method for producing brown coatings on brass

Info

Publication number
CA997989A
CA997989A CA185,325A CA185325A CA997989A CA 997989 A CA997989 A CA 997989A CA 185325 A CA185325 A CA 185325A CA 997989 A CA997989 A CA 997989A
Authority
CA
Canada
Prior art keywords
brass
composition
producing brown
brown coatings
coatings
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
CA185,325A
Other versions
CA185325S (en
Inventor
Richard W. Brough
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA997989A publication Critical patent/CA997989A/en
Expired legal-status Critical Current

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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8
    • C23C22/63—Treatment of copper or alloys based thereon

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)
  • Electroplating And Plating Baths Therefor (AREA)
CA185,325A 1972-11-09 1973-11-08 Composition and method for producing brown coatings on brass Expired CA997989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00304968A US3816186A (en) 1972-11-09 1972-11-09 Composition and method for producing brown coating on brass

Publications (1)

Publication Number Publication Date
CA997989A true CA997989A (en) 1976-10-05

Family

ID=23178732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,325A Expired CA997989A (en) 1972-11-09 1973-11-08 Composition and method for producing brown coatings on brass

Country Status (2)

Country Link
US (1) US3816186A (en)
CA (1) CA997989A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8308893B2 (en) * 2010-02-01 2012-11-13 Ming De Wang Nano-oxide process for bonding copper/copper alloy and resin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2666002A (en) * 1950-08-22 1954-01-12 Heinecke William Contrasting colors for type matrices

Also Published As

Publication number Publication date
US3816186A (en) 1974-06-11

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