GB2271767B - Pure-colored iron oxide direct red pigments,a process for their production and their use - Google Patents
Pure-colored iron oxide direct red pigments,a process for their production and their useInfo
- Publication number
- GB2271767B GB2271767B GB9321765A GB9321765A GB2271767B GB 2271767 B GB2271767 B GB 2271767B GB 9321765 A GB9321765 A GB 9321765A GB 9321765 A GB9321765 A GB 9321765A GB 2271767 B GB2271767 B GB 2271767B
- Authority
- GB
- United Kingdom
- Prior art keywords
- pure
- production
- iron oxide
- direct red
- red pigments
- 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 - Fee Related
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title 2
- 239000001054 red pigment Substances 0.000 title 1
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
- C09C1/22—Compounds of iron
- C09C1/24—Oxides of iron
-
- 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
- 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
- C01P2004/60—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
- C01P2006/12—Surface area
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness 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
- C01P2006/63—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)
-
- 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
- C01P2006/65—Chroma (C*)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4235947A DE4235947A1 (en) | 1992-10-23 | 1992-10-23 | Color-pure iron oxide direct red pigments, process for their preparation and their use |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9321765D0 GB9321765D0 (en) | 1993-12-15 |
GB2271767A GB2271767A (en) | 1994-04-27 |
GB2271767B true GB2271767B (en) | 1995-09-13 |
Family
ID=6471262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9321765A Expired - Fee Related GB2271767B (en) | 1992-10-23 | 1993-10-21 | Pure-colored iron oxide direct red pigments,a process for their production and their use |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP3651919B2 (en) |
DE (1) | DE4235947A1 (en) |
GB (1) | GB2271767B (en) |
IT (1) | IT1270902B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59402131D1 (en) * | 1993-09-23 | 1997-04-24 | Bayer Ag | Color-pure iron oxide direct red pigments, process for their preparation and their use |
DE10232069A1 (en) * | 2002-07-16 | 2004-02-05 | Sachtleben Chemie Gmbh | Process for the production of iron hydroxide, iron oxide hydrate or iron oxide from filter salts of thin acid recovery |
CN101913656A (en) * | 2010-08-09 | 2010-12-15 | 铜陵瑞莱科技有限公司 | Method for preparing iron oxide yellow pigment by using titanium white by-product of ferrous sulfate |
EP2760795B1 (en) * | 2011-09-30 | 2017-08-23 | Lanxess Deutschland GmbH | Improved method for producing particulate hematite and iron oxide red pigments |
BR112017004876B1 (en) | 2014-09-11 | 2022-11-16 | Lanxess Deutschland Gmbh | HEMATITE PIGMENT, PROCESSES FOR PREPARING HEMATITE PIGMENTS, USE OF HEMATITE PIGMENTS, AND PROCESS FOR DYEING PRODUCTS |
DK3219763T3 (en) | 2016-03-16 | 2019-03-25 | Lanxess Deutschland Gmbh | APPLICATION OF RED IRON OXID PIGMENTS IN Aqueous PREPARATIONS |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1554456A (en) * | 1975-12-15 | 1979-10-24 | Bayer Ag | Process for the continuous production of iron oxide hydroxide |
US4676838A (en) * | 1984-11-09 | 1987-06-30 | Bayer Aktiengesellschaft | Lamellar iron oxide pigments, a process for the production thereof and the use thereof |
US4753680A (en) * | 1985-01-09 | 1988-06-28 | Bayer Aktiengesellschaft | Process for the preparation of bright, color-pure iron oxide red pigments |
-
1992
- 1992-10-23 DE DE4235947A patent/DE4235947A1/en not_active Withdrawn
-
1993
- 1993-10-13 IT ITMI932170A patent/IT1270902B/en active IP Right Grant
- 1993-10-18 JP JP28212093A patent/JP3651919B2/en not_active Expired - Fee Related
- 1993-10-21 GB GB9321765A patent/GB2271767B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1554456A (en) * | 1975-12-15 | 1979-10-24 | Bayer Ag | Process for the continuous production of iron oxide hydroxide |
US4676838A (en) * | 1984-11-09 | 1987-06-30 | Bayer Aktiengesellschaft | Lamellar iron oxide pigments, a process for the production thereof and the use thereof |
US4753680A (en) * | 1985-01-09 | 1988-06-28 | Bayer Aktiengesellschaft | Process for the preparation of bright, color-pure iron oxide red pigments |
Also Published As
Publication number | Publication date |
---|---|
GB9321765D0 (en) | 1993-12-15 |
ITMI932170A1 (en) | 1995-04-13 |
JP3651919B2 (en) | 2005-05-25 |
JPH06211524A (en) | 1994-08-02 |
ITMI932170A0 (en) | 1993-10-13 |
GB2271767A (en) | 1994-04-27 |
DE4235947A1 (en) | 1994-04-28 |
IT1270902B (en) | 1997-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20081021 |