PT83165B - Activation process for forming adherent chromium electrodeposits from high energy efficient chromium baths on metal substrates - Google Patents

Activation process for forming adherent chromium electrodeposits from high energy efficient chromium baths on metal substrates

Info

Publication number
PT83165B
PT83165B PT83165A PT8316586A PT83165B PT 83165 B PT83165 B PT 83165B PT 83165 A PT83165 A PT 83165A PT 8316586 A PT8316586 A PT 8316586A PT 83165 B PT83165 B PT 83165B
Authority
PT
Portugal
Prior art keywords
chromium
high energy
activation process
energy efficient
metal substrates
Prior art date
Application number
PT83165A
Other languages
Portuguese (pt)
Other versions
PT83165A (en
Inventor
Hyman Chessin
Warren H Mcmullen
Allen R Jones
Original Assignee
M & T Chemicals Inc
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
Priority claimed from US06/764,273 external-priority patent/US4585530A/en
Priority claimed from US06/780,469 external-priority patent/US4668348A/en
Priority claimed from US06/787,403 external-priority patent/US4664759A/en
Priority claimed from US06/816,180 external-priority patent/US4717456A/en
Application filed by M & T Chemicals Inc filed Critical M & T Chemicals Inc
Publication of PT83165A publication Critical patent/PT83165A/en
Publication of PT83165B publication Critical patent/PT83165B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
PT83165A 1985-08-09 1986-08-07 Activation process for forming adherent chromium electrodeposits from high energy efficient chromium baths on metal substrates PT83165B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/764,273 US4585530A (en) 1985-08-09 1985-08-09 Process for forming adherent chromium electrodeposits from high energy efficient bath on ferrous metal substrates
US06/780,469 US4668348A (en) 1985-09-26 1985-09-26 Method for forming adherent, bright, smooth and hard chromium electrodeposits on ferrous metal substrates from high energy efficient chromium baths
US06/787,403 US4664759A (en) 1985-10-15 1985-10-15 Method for forming adherent, bright, smooth and hard chromium electrodeposits on stainless steel substrates from high energy efficient chromium baths
US06/816,180 US4717456A (en) 1986-01-06 1986-01-06 Two-step electrolytic activation process for chromium electrodeposition

Publications (2)

Publication Number Publication Date
PT83165A PT83165A (en) 1986-09-01
PT83165B true PT83165B (en) 1988-01-04

Family

ID=27505697

Family Applications (1)

Application Number Title Priority Date Filing Date
PT83165A PT83165B (en) 1985-08-09 1986-08-07 Activation process for forming adherent chromium electrodeposits from high energy efficient chromium baths on metal substrates

Country Status (9)

Country Link
EP (1) EP0235173A1 (en)
AU (1) AU6127486A (en)
BR (1) BR8606816A (en)
DK (1) DK166887D0 (en)
ES (1) ES2000386A6 (en)
GR (1) GR862069B (en)
IL (1) IL79641A0 (en)
PT (1) PT83165B (en)
WO (1) WO1987000869A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5041138A (en) * 1986-11-20 1991-08-20 Massachusetts Institute Of Technology Neomorphogenesis of cartilage in vivo from cell culture
US5741685A (en) * 1995-06-07 1998-04-21 Children's Medical Center Corporation Parenchymal cells packaged in immunoprotective tissue for implantation
US8763173B2 (en) * 2008-09-26 2014-07-01 Kohler Co. Stainless steel plumbing fixtures with resistant coatings
US20200032412A1 (en) * 2018-07-25 2020-01-30 The Boeing Company Compositions and Methods for Activating Titanium Substrates
CN113737239A (en) * 2021-08-30 2021-12-03 凯瑞电子(诸城)有限公司 Liquid formula for preventing pressure sensor metal shell from being oxidized and treatment process

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915444A (en) * 1955-12-09 1959-12-01 Enthone Process for cleaning and plating ferrous metals
US3694326A (en) * 1969-11-03 1972-09-26 Allegheny Ludlum Steel Pretreatment of stainless steel for electroplating
BE786737A (en) * 1971-07-27 1973-01-26 Bayer Rickmann Gmbh PRE-TREATMENT PROCESS OF STEEL SHEETS FOR ONE-LAYER ENAMELING AFTER FORMING
US3726773A (en) * 1971-08-02 1973-04-10 Us Army Surface preparation of maraging steel for electroplating
DE2500730C3 (en) * 1975-01-10 1980-04-24 Bergische Metallwarenfabrik Dillenberg & Co Kg, 5601 Gruiten Galvanic chrome bath
IT1047584B (en) * 1975-09-26 1980-10-20 Centro Speriment Metallurg METHOD FOR IMPROVING THE SUSCETTI BILITA OF STEEL TO COATINGS
DE2908846A1 (en) * 1978-03-08 1979-09-13 Yissum Res Dev Co GALVANIC CHROME BATH
US4412892A (en) * 1981-07-13 1983-11-01 The United States Of America As Represented By The Secretary Of The Army Pretreatment of superalloys and stainless steels for electroplating
JPS6057519B2 (en) * 1981-08-20 1985-12-16 住友金属工業株式会社 Oil country tubular joint with excellent seizure resistance and its manufacturing method
US4472249A (en) * 1981-08-24 1984-09-18 M&T Chemicals Inc. Bright chromium plating baths and process
ATE33686T1 (en) * 1982-02-09 1988-05-15 Ibm ELECTROLYTIC DEPOSITION OF CHROMIUM AND ITS ALLOYS.
US4450050A (en) * 1983-02-03 1984-05-22 M&T Chemicals Inc. Process for bonding high efficiency chromium electrodeposits

Also Published As

Publication number Publication date
DK166887A (en) 1987-04-01
IL79641A0 (en) 1986-11-30
AU6127486A (en) 1987-03-05
ES2000386A6 (en) 1988-02-16
WO1987000869A1 (en) 1987-02-12
PT83165A (en) 1986-09-01
EP0235173A1 (en) 1987-09-09
DK166887D0 (en) 1987-04-01
EP0235173A4 (en) 1987-07-13
GR862069B (en) 1986-12-24
BR8606816A (en) 1987-10-13

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