DE3806214C1 - - Google Patents
Info
- Publication number
- DE3806214C1 DE3806214C1 DE3806214A DE3806214A DE3806214C1 DE 3806214 C1 DE3806214 C1 DE 3806214C1 DE 3806214 A DE3806214 A DE 3806214A DE 3806214 A DE3806214 A DE 3806214A DE 3806214 C1 DE3806214 C1 DE 3806214C1
- Authority
- DE
- Germany
- Prior art keywords
- pigments
- silica
- alkaline earth
- weight
- sio2
- 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
Links
- 239000000049 pigment Substances 0.000 claims abstract description 51
- AUNAPVYQLLNFOI-UHFFFAOYSA-L [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O Chemical compound [Pb++].[Pb++].[Pb++].[O-]S([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Mo]([O-])(=O)=O AUNAPVYQLLNFOI-UHFFFAOYSA-L 0.000 claims abstract description 23
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 23
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 claims abstract description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000410 antimony oxide Inorganic materials 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 6
- 150000007513 acids Chemical class 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract 5
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract 4
- 229910019142 PO4 Inorganic materials 0.000 claims abstract 3
- 238000000465 moulding Methods 0.000 claims abstract 2
- 230000019612 pigmentation Effects 0.000 claims abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 65
- 239000000377 silicon dioxide Substances 0.000 claims description 30
- 239000001054 red pigment Substances 0.000 claims description 19
- 229910052681 coesite Inorganic materials 0.000 claims description 18
- 229910052906 cristobalite Inorganic materials 0.000 claims description 18
- 229910052682 stishovite Inorganic materials 0.000 claims description 18
- 229910052905 tridymite Inorganic materials 0.000 claims description 18
- 229920000388 Polyphosphate Polymers 0.000 claims description 11
- 239000001205 polyphosphate Substances 0.000 claims description 11
- 235000011176 polyphosphates Nutrition 0.000 claims description 11
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 4
- -1 alkaline earth metal salts Chemical class 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Inorganic materials O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims 3
- YEAUATLBSVJFOY-UHFFFAOYSA-N tetraantimony hexaoxide Chemical compound O1[Sb](O2)O[Sb]3O[Sb]1O[Sb]2O3 YEAUATLBSVJFOY-UHFFFAOYSA-N 0.000 claims 3
- 235000021317 phosphate Nutrition 0.000 claims 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 239000001053 orange pigment Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 1
- 239000010452 phosphate Substances 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 235000019353 potassium silicate Nutrition 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 description 4
- FAWGZAFXDJGWBB-UHFFFAOYSA-N antimony(3+) Chemical compound [Sb+3] FAWGZAFXDJGWBB-UHFFFAOYSA-N 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 3
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 3
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 description 3
- 150000004692 metal hydroxides Chemical class 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- OOYIOIOOWUGAHD-UHFFFAOYSA-L disodium;2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate Chemical compound [Na+].[Na+].O1C(=O)C(C(=C(Cl)C(Cl)=C2Cl)Cl)=C2C21C1=CC(Br)=C([O-])C(Br)=C1OC1=C(Br)C([O-])=C(Br)C=C21 OOYIOIOOWUGAHD-UHFFFAOYSA-L 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- XJUNRGGMKUAPAP-UHFFFAOYSA-N dioxido(dioxo)molybdenum;lead(2+) Chemical compound [Pb+2].[O-][Mo]([O-])(=O)=O XJUNRGGMKUAPAP-UHFFFAOYSA-N 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
- VUDJAFZYSMINQA-UHFFFAOYSA-L zinc metaphosphate Chemical compound [Zn+2].[O-]P(=O)=O.[O-]P(=O)=O VUDJAFZYSMINQA-UHFFFAOYSA-L 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 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
- C09C1/14—Compounds of lead
- C09C1/20—Lead chromate
-
- 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
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C09C3/063—Coating
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3806214A DE3806214C1 (enExample) | 1988-02-26 | 1988-02-26 | |
| HU892580A HU204545B (en) | 1988-02-26 | 1989-02-23 | Process for producing chromoyellow and molibdatered pigments |
| DE8989904808T DE58903668D1 (de) | 1988-02-26 | 1989-02-23 | Verbesserte chromgelb- und molybdatrot-pigmente - verfahren zu ihrer herstellung und ihre verwendung. |
| AU34463/89A AU3446389A (en) | 1988-02-26 | 1989-02-23 | Improved chrome yellow and molybdenum orange pigments, process for producing them, and their use |
| PCT/EP1989/000167 WO1989008131A1 (fr) | 1988-02-26 | 1989-02-23 | Pigments ameliores en chromate de plomb et en rouge de molybdene, leur procede de production et d'utilisation |
| EP89904808A EP0372028B1 (de) | 1988-02-26 | 1989-02-23 | Verbesserte chromgelb- und molybdatrot-pigmente - verfahren zu ihrer herstellung und ihre verwendung |
| ZA891423A ZA891423B (en) | 1988-02-26 | 1989-02-23 | Chrome yellow and molybdate red pigments-process for the production thereof and use thereof |
| DD89325999A DD283639A5 (de) | 1988-02-26 | 1989-02-24 | Verbesserte chromgelb- und molybdatrot-pigmente, verfahren zu ihrer herstellung und ihre verwendung |
| ES8900689A ES2012666A6 (es) | 1988-02-26 | 1989-02-25 | Pigmentos mejorados amarillo de cromo y rojo de molibdato, procedimiento para su preparacion y su utilizacion. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3806214A DE3806214C1 (enExample) | 1988-02-26 | 1988-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3806214C1 true DE3806214C1 (enExample) | 1989-09-28 |
Family
ID=6348309
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3806214A Expired DE3806214C1 (enExample) | 1988-02-26 | 1988-02-26 | |
| DE8989904808T Revoked DE58903668D1 (de) | 1988-02-26 | 1989-02-23 | Verbesserte chromgelb- und molybdatrot-pigmente - verfahren zu ihrer herstellung und ihre verwendung. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8989904808T Revoked DE58903668D1 (de) | 1988-02-26 | 1989-02-23 | Verbesserte chromgelb- und molybdatrot-pigmente - verfahren zu ihrer herstellung und ihre verwendung. |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0372028B1 (enExample) |
| AU (1) | AU3446389A (enExample) |
| DD (1) | DD283639A5 (enExample) |
| DE (2) | DE3806214C1 (enExample) |
| ES (1) | ES2012666A6 (enExample) |
| HU (1) | HU204545B (enExample) |
| WO (1) | WO1989008131A1 (enExample) |
| ZA (1) | ZA891423B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0456050A1 (de) * | 1990-05-07 | 1991-11-13 | BASF Aktiengesellschaft | Verfahren zur Herstellung von Chromgelb- und Molybdatorange-Pigmenten |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1952538A1 (de) * | 1969-10-18 | 1971-07-08 | Bayer Ag | Verfahren zur Verbesserung der Licht- und Temperaturbestaendigkeit von bleichromathaltigen Pigmenten |
| DE1952537A1 (de) * | 1969-10-18 | 1971-11-04 | Bayer Ag | Hochstabilisierte phosphathaltige Bleichromatpigmente |
| DE2740861A1 (de) * | 1976-09-14 | 1978-03-16 | Pfizer | Hitzebestaendige eisenoxide |
| US4235639A (en) * | 1978-06-13 | 1980-11-25 | Imperial Chemical Industries Limited | Chrome pigment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2023157B (en) * | 1978-06-13 | 1982-10-20 | Ici Ltd | Process for the preparation od lead chrome pigment |
-
1988
- 1988-02-26 DE DE3806214A patent/DE3806214C1/de not_active Expired
-
1989
- 1989-02-23 DE DE8989904808T patent/DE58903668D1/de not_active Revoked
- 1989-02-23 AU AU34463/89A patent/AU3446389A/en not_active Abandoned
- 1989-02-23 EP EP89904808A patent/EP0372028B1/de not_active Revoked
- 1989-02-23 HU HU892580A patent/HU204545B/hu not_active IP Right Cessation
- 1989-02-23 ZA ZA891423A patent/ZA891423B/xx unknown
- 1989-02-23 WO PCT/EP1989/000167 patent/WO1989008131A1/de not_active Ceased
- 1989-02-24 DD DD89325999A patent/DD283639A5/de not_active IP Right Cessation
- 1989-02-25 ES ES8900689A patent/ES2012666A6/es not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1952538A1 (de) * | 1969-10-18 | 1971-07-08 | Bayer Ag | Verfahren zur Verbesserung der Licht- und Temperaturbestaendigkeit von bleichromathaltigen Pigmenten |
| DE1952537A1 (de) * | 1969-10-18 | 1971-11-04 | Bayer Ag | Hochstabilisierte phosphathaltige Bleichromatpigmente |
| DE2740861A1 (de) * | 1976-09-14 | 1978-03-16 | Pfizer | Hitzebestaendige eisenoxide |
| US4235639A (en) * | 1978-06-13 | 1980-11-25 | Imperial Chemical Industries Limited | Chrome pigment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0456050A1 (de) * | 1990-05-07 | 1991-11-13 | BASF Aktiengesellschaft | Verfahren zur Herstellung von Chromgelb- und Molybdatorange-Pigmenten |
Also Published As
| Publication number | Publication date |
|---|---|
| DD283639A5 (de) | 1990-10-17 |
| ZA891423B (en) | 1989-10-25 |
| AU3446389A (en) | 1989-09-22 |
| WO1989008131A1 (fr) | 1989-09-08 |
| EP0372028B1 (de) | 1993-03-03 |
| DE58903668D1 (de) | 1993-04-08 |
| HUT52136A (en) | 1990-06-28 |
| EP0372028A1 (de) | 1990-06-13 |
| ES2012666A6 (es) | 1990-04-01 |
| HU204545B (en) | 1992-01-28 |
| HU892580D0 (en) | 1990-03-28 |
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