CA1045757A - Pigment d'oxyde de chrome (iii) a basse teneur en soufre - Google Patents

Pigment d'oxyde de chrome (iii) a basse teneur en soufre

Info

Publication number
CA1045757A
CA1045757A CA223,493A CA223493A CA1045757A CA 1045757 A CA1045757 A CA 1045757A CA 223493 A CA223493 A CA 223493A CA 1045757 A CA1045757 A CA 1045757A
Authority
CA
Canada
Prior art keywords
hydrogen
reaction zone
zone
dwell
supplied
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
CA223,493A
Other languages
English (en)
Inventor
Manfred Mansmann
Karl Brandle
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.)
Bayer AG
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
Application granted granted Critical
Publication of CA1045757A publication Critical patent/CA1045757A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/34—Compounds of chromium
    • C09C1/346—Chromium oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compounds Of Iron (AREA)
CA223,493A 1974-04-03 1975-04-01 Pigment d'oxyde de chrome (iii) a basse teneur en soufre Expired CA1045757A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2416203A DE2416203A1 (de) 1974-04-03 1974-04-03 Verfahren zur herstellung von schwefelarmem chrom(iii)-oxid mit verbesserten pigmenteigenschaften

Publications (1)

Publication Number Publication Date
CA1045757A true CA1045757A (fr) 1979-01-09

Family

ID=5912047

Family Applications (1)

Application Number Title Priority Date Filing Date
CA223,493A Expired CA1045757A (fr) 1974-04-03 1975-04-01 Pigment d'oxyde de chrome (iii) a basse teneur en soufre

Country Status (8)

Country Link
JP (1) JPS50135017A (fr)
CA (1) CA1045757A (fr)
DE (1) DE2416203A1 (fr)
ES (1) ES436259A1 (fr)
FR (1) FR2266660B1 (fr)
GB (1) GB1498300A (fr)
NL (1) NL7503864A (fr)
ZA (1) ZA752082B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9663383B2 (en) 2010-03-23 2017-05-30 Lanxess Deutschland Gmbh Process for preparing chromium(III) oxide
AR084183A1 (es) 2010-12-08 2013-04-24 Lanxess Deutschland Gmbh Procedimiento para la produccion de oxido de cromo (iii)
EP2565162A1 (fr) 2011-09-05 2013-03-06 LANXESS Deutschland GmbH Procédé de fabrication d'oxyde de chrome (III)

Also Published As

Publication number Publication date
DE2416203A1 (de) 1975-10-16
NL7503864A (nl) 1975-10-07
ZA752082B (en) 1976-03-31
FR2266660A1 (fr) 1975-10-31
ES436259A1 (es) 1977-01-01
GB1498300A (en) 1978-01-18
JPS50135017A (fr) 1975-10-25
FR2266660B1 (fr) 1978-06-30

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