Patent US3585260A successfully refreshed from Google Patents.
US3585260A
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US
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Chromic acid bonded chromic oxide agglomerates produced by spray drying
Assignee: Solvay Solutions UK Ltd
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Filing: 1969-07-29
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Granted: 1971-06-15
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Expires: 1989-07-29
Abstract
Abstract GRANULAR CHROMIUM OXIDE SUITABLE FOR PRODUCING UNIFORM, HIGH PURITY FLAME SPRAYED COATINGS IS PREPARED BY SLURRYING FINELY DIVIDED CHROMIUM OXIDE IN AQUEOUS CHROMIC ACID AND FORMING THE SLURRY INTO DRIED GRANULES BY SPRAY DRYING WHICH ARE FURTHER HEATED TO CONVERT THE CHROMIC ACID TO CHROMIC OXIDE, EITHER IN A CALCINER OR DURING THE COURSE OF FLAME OR PLASMA ARC SPRAYING.
Inventors
- 👤 Kenneth Urmston Holker
- 👤 Rosemary Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:28
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/04; C23C4/10; C23C4/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |