BR8904279A - Processo para a preparacao de acido cromico - Google Patents

Processo para a preparacao de acido cromico

Info

Publication number
BR8904279A
BR8904279A BR898904279A BR8904279A BR8904279A BR 8904279 A BR8904279 A BR 8904279A BR 898904279 A BR898904279 A BR 898904279A BR 8904279 A BR8904279 A BR 8904279A BR 8904279 A BR8904279 A BR 8904279A
Authority
BR
Brazil
Prior art keywords
preparation
chromic acid
chromic
acid
Prior art date
Application number
BR898904279A
Other languages
English (en)
Inventor
Helmut Klotz
Hans Dieter Pinter
Rainer Weber
Hans-Dieter Block
Norbert Loenhoff
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR8904279A publication Critical patent/BR8904279A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/22—Inorganic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BR898904279A 1988-08-27 1989-08-25 Processo para a preparacao de acido cromico BR8904279A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3829125A DE3829125A1 (de) 1988-08-27 1988-08-27 Verfahren zur herstellung von chromsaeure

Publications (1)

Publication Number Publication Date
BR8904279A true BR8904279A (pt) 1990-04-17

Family

ID=6361724

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904279A BR8904279A (pt) 1988-08-27 1989-08-25 Processo para a preparacao de acido cromico

Country Status (10)

Country Link
US (1) US5071522A (pt)
EP (1) EP0356806B1 (pt)
JP (1) JP2839154B2 (pt)
AR (1) AR244351A1 (pt)
BR (1) BR8904279A (pt)
CA (1) CA1337808C (pt)
DE (2) DE3829125A1 (pt)
ES (1) ES2032636T3 (pt)
MX (1) MX171486B (pt)
TR (1) TR24639A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6063252A (en) * 1997-08-08 2000-05-16 Raymond; John L. Method and apparatus for enriching the chromium in a chromium plating bath

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA739447A (en) * 1966-07-26 W. Carlin William Electrolytic production of chromic acid
US2099658A (en) * 1933-11-09 1937-11-16 Gilbert Preparation of chromic acid and sparingly soluble chromates
US2213249A (en) * 1934-07-23 1940-09-03 Armstrong Cork Co Insulation board and method of making the same
US3305463A (en) * 1962-03-16 1967-02-21 Pittsburgh Plate Glass Co Electrolytic production of dichromates
GB1399402A (en) * 1972-02-10 1975-07-02 Marley Homes Ltd Reinforced woodwool slab
DE2854228C2 (de) * 1978-12-15 1983-11-24 Ytong AG, 8000 München Mehrschichtenplatte aus Gasbeton sowie Verfahren zu ihrer Herstellung
FR2455984A1 (fr) * 1979-05-10 1980-12-05 Dvihally Sandor Procede de fabrication de panneaux de particules
CA1141640A (en) * 1979-06-08 1983-02-22 Thomas A. Pilgrim Building components
WO1983001410A1 (en) * 1981-10-26 1983-04-28 Teare, John, W. Method and apparatus for producing concrete panels
DE3313641C2 (de) * 1983-04-15 1986-06-12 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Auftragen einer Schicht aus einer flüssigen feinkeramischen Masse auf einen Träger
GB2236876A (en) * 1989-10-12 1991-04-17 Bpb Industries Plc Control of the manufacture of plaster board
DE9313351U1 (de) * 1993-09-04 1993-11-04 Wedi, Helmut, 48282 Emsdetten Plattenförmiges Bauteil
ES2107599T3 (es) * 1992-10-29 1997-12-01 Helmut Wedi Procedimiento para la fabricacion de productos angulares semiacabados a partir de placas compuestas laminadas.

Also Published As

Publication number Publication date
DE58901743D1 (de) 1992-07-30
DE3829125A1 (de) 1990-03-01
CA1337808C (en) 1995-12-26
TR24639A (tr) 1991-12-25
EP0356806A2 (de) 1990-03-07
MX171486B (es) 1993-10-29
US5071522A (en) 1991-12-10
JP2839154B2 (ja) 1998-12-16
JPH02102127A (ja) 1990-04-13
ES2032636T3 (es) 1993-02-16
EP0356806B1 (de) 1992-06-24
EP0356806A3 (en) 1990-04-18
AR244351A1 (es) 1993-10-29

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law
B15K Others concerning applications: alteration of classification

Ipc: C25B 1/22 (2006.01)