AU7412794A - Pure-coloured iron oxide direct red pigments and a process for their production as well as their use - Google Patents

Pure-coloured iron oxide direct red pigments and a process for their production as well as their use

Info

Publication number
AU7412794A
AU7412794A AU74127/94A AU7412794A AU7412794A AU 7412794 A AU7412794 A AU 7412794A AU 74127/94 A AU74127/94 A AU 74127/94A AU 7412794 A AU7412794 A AU 7412794A AU 7412794 A AU7412794 A AU 7412794A
Authority
AU
Australia
Prior art keywords
pure
production
well
iron oxide
direct red
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.)
Granted
Application number
AU74127/94A
Other versions
AU675161B2 (en
Inventor
Gunter Buxbaum
Peter Kiemle
Klaus Lerch
Rolf Naumann
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
Publication of AU7412794A publication Critical patent/AU7412794A/en
Application granted granted Critical
Publication of AU675161B2 publication Critical patent/AU675161B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide (Fe2O3)
    • 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
    • C09C1/22—Compounds of iron
    • C09C1/24—Oxides of iron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • 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
    • C01P2006/63—Optical properties, e.g. expressed in CIELAB-values a* (red-green axis)
    • 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
    • C01P2006/64—Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)
AU74127/94A 1993-09-23 1994-09-21 Pure-coloured iron oxide direct red pigments and a process for their production as well as their use Ceased AU675161B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4332321 1993-09-23
DE4332321 1993-09-23

Publications (2)

Publication Number Publication Date
AU7412794A true AU7412794A (en) 1995-04-06
AU675161B2 AU675161B2 (en) 1997-01-23

Family

ID=6498378

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74127/94A Ceased AU675161B2 (en) 1993-09-23 1994-09-21 Pure-coloured iron oxide direct red pigments and a process for their production as well as their use

Country Status (7)

Country Link
EP (1) EP0645437B1 (en)
JP (1) JP3868511B2 (en)
CN (1) CN1083469C (en)
AU (1) AU675161B2 (en)
BR (1) BR9403815A (en)
DE (1) DE59402131D1 (en)
ES (1) ES2100612T3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7413840B1 (en) 2007-01-26 2008-08-19 Canon Kabushiki Kaisha Process for forming an electrophotographic photosensitive member with depressed portions by condensing a surface of a surface layer on which a coating liquid is present
US7629102B2 (en) 2007-07-17 2009-12-08 Canon Kabushiki Kaisha Method for preparing electrophotographic photosensitive member

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2642962T3 (en) 2011-09-30 2017-11-20 Lanxess Deutschland Gmbh Improved procedure for the preparation of finely divided hematite and red iron oxide pigments
WO2015066905A1 (en) 2013-11-08 2015-05-14 Lanxess Deutschland Gmbh Production of red iron oxide pigment
EP3189011B1 (en) 2014-09-05 2018-07-25 LANXESS Deutschland GmbH Preparation of red iron oxide pigments
US10479893B2 (en) 2014-09-05 2019-11-19 Lanxess Deutschland Gmbh Preparation of iron (III) oxide pigment
DK3191409T3 (en) * 2014-09-11 2019-05-06 Lanxess Deutschland Gmbh RED IRON OXID PIGMENTS WITH IMPROVED COLOR VALUES
EP3216765A1 (en) 2016-03-09 2017-09-13 LANXESS Deutschland GmbH Production of iron oxide red pigment
EP3216764A1 (en) 2016-03-09 2017-09-13 LANXESS Deutschland GmbH Production of iron oxide red pigments
EP3219763B1 (en) 2016-03-16 2018-11-28 LANXESS Deutschland GmbH Use of iron oxide red pigments in aqueous preparations

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL136785C (en) * 1961-11-30
CS213670B1 (en) * 1980-10-17 1982-04-09 Vlastimil Hejl Method of preparation of the germ for crystallization of the direct coagulated ferrin red
JPH03195779A (en) * 1989-12-25 1991-08-27 Sumitomo Chem Co Ltd Yellow hydrated iron oxide pigment and production thereof
DE4235947A1 (en) * 1992-10-23 1994-04-28 Bayer Ag Color-pure iron oxide direct red pigments, process for their preparation and their use
DE4235944A1 (en) * 1992-10-23 1994-04-28 Bayer Ag Color-pure iron oxide direct red pigments, process for their preparation and their use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7413840B1 (en) 2007-01-26 2008-08-19 Canon Kabushiki Kaisha Process for forming an electrophotographic photosensitive member with depressed portions by condensing a surface of a surface layer on which a coating liquid is present
US7629102B2 (en) 2007-07-17 2009-12-08 Canon Kabushiki Kaisha Method for preparing electrophotographic photosensitive member

Also Published As

Publication number Publication date
JP3868511B2 (en) 2007-01-17
DE59402131D1 (en) 1997-04-24
EP0645437B1 (en) 1997-03-19
CN1083469C (en) 2002-04-24
EP0645437A1 (en) 1995-03-29
BR9403815A (en) 1995-05-23
ES2100612T3 (en) 1997-06-16
CN1109079A (en) 1995-09-27
AU675161B2 (en) 1997-01-23
JPH0797218A (en) 1995-04-11

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired