Patent US3847639A successfully refreshed from Google Patents.
US3847639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic color bodies
Assignee: DEUTSCHE GOLD und SILBER SCHEIDEANSTALT DT
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Filing: 1973-05-01
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Granted: 1974-11-12
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Expires: 1993-05-01
Abstract
Abstract A plural phase ceramic pigment is prepared that there are included in clear crystals of glaze stable materials inorganic, water free colored compounds as a separate internal phase.
Inventors
- 👤 H Mann
- 👤 Simon E Meyer
- 👤 A Broll
- 👤 H Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:05
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0009; C09C1/0012; C03; C03C; C03C1/00; C03C1/10; C03C4/00; C01; C01P; C01P2002/00; C01P2002/08
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
90 words
A PLURAL PHASE CERAMIC PIGMENT COMPRISING AS AN OUTER PHASE CLEAR CRYSTALS OF GLAZE STABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZRO2, ZRSIO4, SNO2, CEO2, CEPO4, AL2O3, (ZN, MG, CO, NI) (AL, CR, FE)204 AND CASNSIO5 AND HAVING ENCLOSED THEREIN A MEMBER OF THE GROUP CONSISTING OF (1) AN INORGANIC WATER FREE COLORED CHALCOGENIDE OF ZINC, CADMIUM OR MERCURY OF MIXED CRYSTALS OF THESE CHALCOGENIDES WHEREIN THE CHALCOGEN HAS AN ATOMIC WEIGHT OF 32 TO 128, (2) PBS, (3) TITANIUM YELLOW (4) THENARD''S BLUE AS A DISCRETE INNER PHASE.
Claim 2
Dependent Claim
90 words
A PLURAL PHASE CERAMIC PIGMENT COMPRISING AS AN OUTER PHASE CLEAR CRYSTALS OF GLAZE STABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZRO2, ZRSIO4, SNO2, CEO2, CEPO4, AL2O3, (ZN, MG, CO, NI) (AL, CR, FE)204 AND CASNSIO5 AND HAVING ENCLOSED THEREIN A MEMBER OF THE GROUP CONSISTING OF (1) AN INORGANIC WATER FREE COLORED CHALCOGENIDE OF ZINC, CADMIUM OR MERCURY OF MIXED CRYSTALS OF THESE CHALCOGENIDES WHEREIN THE CHALCOGEN HAS AN ATOMIC WEIGHT OF 32 TO 128, (2) PBS, (3) TITANIUM YELLOW (4) THENARD''S BLUE AS A DISCRETE INNER PHASE.
Claim 3
Dependent Claim
19 words
A ceramic pigment according to claim 1 wherein the clear, glaze stable crystals are made of ZrSiO4 or SnO2.
Claim 4
Dependent Claim
25 words
A ceramic pigment according to claim 2 wherein the colored compound is a chalcogenide wherein the chalcogen has an atomic weight of 32 to 128.
Claim 5
Dependent Claim
25 words
A ceramic pigment according to claim 1 wherein thE colored compound is a chalcogenide wherein the chalcogen has an atomic weight of 32 to 128.
Claim 6
Dependent Claim
28 words
A ceramic pigment according to claim 4 wherein the colored compound is a sulfide, selenide or telluride of zinc, cadmium or mercury or mixed crystals of these chalcogenides.
Claim 7
Dependent Claim
17 words
A ceramic pigment according to claim 4 wherein the clear, glaze stable crystals are of zirconium silicate.
Claim 8
Dependent Claim
16 words
A ceramic pigment according to claim 6 wherein the zirconium silicate phase is devoid of coloring.
Claim 9
Dependent Claim
16 words
A ceramic pigment according to claim 6 wherein the zirconium silicate phase is colored zirconium silicate.
Claim 10
Dependent Claim
17 words
A ceramic pigment according to claim 1 wherein the clear, glaze stable crystals are zirconium silicate crystals.
Claim 11
Dependent Claim
16 words
A ceramic pigment according to claim 9 wherein the zirconium silicate phase is devoid of coloring.
Claim 12
Dependent Claim
16 words
A ceramic pigment according to claim 9 wherein the zirconium silicate phase is colored zirconium silicate.
Claim 13
Dependent Claim
44 words
A ceramic pigment according to claim 11 wherein the zirconium silicate phase is colored with a member of the group consisting of blue zirconium silicate containing vanadium ions, yellow zirconium silicate containing praseodymium ions, green zirconium silicate containing chromium ions, and zirconium iron rose.
Claim 14
Dependent Claim
35 words
A ceramic pigment according to claim 12 wherein the zirconium silicate phase is praseodymium dosed zirconium silicate and the inclosed phase is a colored zinc, cadmium or mercury sulfide, selenide or telluride or mixtures thereof.
Claim 15
Dependent Claim
35 words
A ceramic pigment according to claim 12 wherein the zirconium silicate phase is vanadium dosed zirconium silicate and the inclosed phase is a colored zinc, cadmium or mercury sulfide, selenide or telluride or mixtures thereof.
Claim 16
Dependent Claim
14 words
A ceramic pigment according to claim 14 wherein the zirconium silicate phase is colored.
Claim 17
Dependent Claim
34 words
A ceramic pigment according to claim 1 wherein the clear glaze stable crystals are made of zirconium silicate or SnO2 and the colored compound is Thenard''s blue, titanium yellow, cadmium yellow or cadmium red.
Claim 18
Dependent Claim
44 words
A ceramic pigment according to claim 1 wherein the clear glaze stable crystals are made of zirconium silicate or SnO2 and the colored compound is a zinc, cadmium or mercury sulfide, selenide or telluride or mixtures thereof or is Thenard''s blue or titanium yellow.
Claim 19
Dependent Claim
33 words
A process for producing a ceramic pigment according to claim 6 comprising forming the sulfide, selenide or telluride or mixed crystals thereof in situ and simultaneously enclosing them while forming the zirconium silicate.
Claim 20
Dependent Claim
25 words
A process according to claim 18 wherein the inclosed phase to be formed during the process is 1 to 70 percent of the zirconium silicate.
Claim 21
Dependent Claim
36 words
A process according to claim 19 wherein the starting materials are ZrO2, SiO2, an oxygen containing compound of zinc, cadmium or mercury and sulfur, selenium, tellurium or an oxygen containing compound of sulfur, selenium or tellurium.
Claim 22
Dependent Claim
27 words
A process according to claim 18 wherein the inner phase is formed from oxygen containing compounds of sulfur and at least one of zinc, cadmium and mercury.
Claim 23
Dependent Claim
17 words
A process according to claim 21 wherein the sulfur is employed as sodium sulfite to sodium thiosulfate.
Claim 24
Dependent Claim
28 words
A process according to claim 1 wherein the inorganic, water free, colored compound is formed in situ during the synthesis of the crystals of the glaze stable material.
Claim 25
Dependent Claim
17 words
A ceramic pigment according to claim 1 wherein the clear, glaze stable crystals are made of SnO2.
References Cited (Backward Citations)
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US3723600A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |