US3108885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glaze compositions containing high temperature pigments
Assignee: WR Grace and Co
•
Filing: 1960-09-06
•
Granted: 1963-10-29
•
Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Maria G Dunseth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:10
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A METHOD FOR COLORING CERAMIC WARE WHICH COMPRISES PREPARING A SILICEOUS GLAZE COMNPOSITION, ADMIXING WITH SAID COMPOSITION ABOUT 0.2 TO ABOUT 10% OF AN AMMONIUM PHOSPHATE SALT OF A DIVALENT METAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM, COBALT, COPPER, IRON, MAGNESIUM, MANGANESE, NICKEL, ZINC AND THE URANYL RADICAL, APPLYING SAID ADMIXTURE TO CERAMIC WARE, HEATING TO A TEMPERATURE AND FOR A TIME SUFFICIENT TO CAUSE FUSION OF THE GLAZE COMPOSITION AND COOLING THE GLAZED, COLORED CERAMIC WARE.
Claim 2
Independent Claim
78 words
A METHOD FOR COLORING CERAMIC WARE WHICH COMPRISES PREPARING A SILICEOUS GLAZE COMNPOSITION, ADMIXING WITH SAID COMPOSITION ABOUT 0.2 TO ABOUT 10% OF AN AMMONIUM PHOSPHATE SALT OF A DIVALENT METAL SELECTED FROM THE GROUP CONSISTING OF CADMIUM, COBALT, COPPER, IRON, MAGNESIUM, MANGANESE, NICKEL, ZINC AND THE URANYL RADICAL, APPLYING SAID ADMIXTURE TO CERAMIC WARE, HEATING TO A TEMPERATURE AND FOR A TIME SUFFICIENT TO CAUSE FUSION OF THE GLAZE COMPOSITION AND COOLING THE GLAZED, COLORED CERAMIC WARE.
References Cited (Backward Citations)
US2563900A
Cited
US2608490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |