FR1570970A - - Google Patents

Info

Publication number
FR1570970A
FR1570970A FR1570970DA FR1570970A FR 1570970 A FR1570970 A FR 1570970A FR 1570970D A FR1570970D A FR 1570970DA FR 1570970 A FR1570970 A FR 1570970A
Authority
FR
France
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
Other languages
French (fr)
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 US61679267 external-priority patent/US3400027A/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1570970A publication Critical patent/FR1570970A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/02—Electrodes; Connections thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
    • C01B15/06—Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
    • C01B15/08—Peroxysulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/24—Sulfates of ammonium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G3/00—Compounds of copper
    • C01G3/10—Sulfates
    • 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
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/46—Regeneration of etching compositions
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrolytic Production Of Metals (AREA)
FR1570970D 1965-04-28 1968-06-20 Expired FR1570970A (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US45163565A 1965-04-28 1965-04-28
US495374A US3406108A (en) 1965-04-28 1965-10-01 Regeneration of spent ammonium persulfate etching solutions
US61679267 US3400027A (en) 1965-04-28 1967-02-17 Crystallization recovery of spent hydrogen peroxide etchants
US65048467A 1967-06-30 1967-06-30

Publications (1)

Publication Number Publication Date
FR1570970A true FR1570970A (fi) 1969-06-13

Family

ID=27503988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1570970D Expired FR1570970A (fi) 1965-04-28 1968-06-20

Country Status (3)

Country Link
US (1) US3406108A (fi)
FR (1) FR1570970A (fi)
NL (1) NL6613705A (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665309A1 (de) * 1994-01-31 1995-08-02 Emil Krechen Industrievertretungen GmbH Verfahren zum Abtragen von Kupfer

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891521A (en) * 1973-01-11 1975-06-24 Ppg Industries Inc Opening of molybdenite ores and the electrowinning of rhenium
US4073708A (en) * 1976-06-18 1978-02-14 The Boeing Company Apparatus and method for regeneration of chromosulfuric acid etchants
US4144144A (en) * 1976-12-23 1979-03-13 Fmc Corporation Electrolytic production of sodium persulfate
US4973380A (en) * 1983-10-06 1990-11-27 Olin Corporation Process for etching copper base materials
US4482440A (en) * 1983-10-06 1984-11-13 Olin Corporation Electrochemical cell and process for manufacturing temperature sensitive solutions
DE4430391A1 (de) * 1994-08-26 1996-02-29 Eilenburger Elektrolyse & Umwelttechnik Gmbh Verfahren zum oxidativen Abbau von Schadstoffen in Prozeßlösungen, Abwässern und Trinkwasser sowie Oxidations-, Entgiftungs- und Desodorierungsmittel
DE19506832A1 (de) * 1995-02-28 1996-08-29 Eilenburger Elektrolyse & Umwelttechnik Gmbh Kreislaufverfahren zum Beizen von Kupfer und Kupferlegierungen
DE19820001C2 (de) * 1998-05-06 2003-04-03 Andreas Moebius Verfahren zur Entfernung von Metallschichten auf Metall, Glas, Keramik und Kunststoffteilen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435714A (en) * 1942-09-28 1948-02-10 Bendix Aviat Corp Electrochemical salvaging method
BE482416A (fi) * 1947-05-12
NL132272C (fi) * 1961-06-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0665309A1 (de) * 1994-01-31 1995-08-02 Emil Krechen Industrievertretungen GmbH Verfahren zum Abtragen von Kupfer

Also Published As

Publication number Publication date
NL6613705A (fi) 1967-04-03
US3406108A (en) 1968-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse