Patent US800115A successfully refreshed from Google Patents.
Patent US3600331A successfully refreshed from Google Patents.
US3600331A
Expired / Lapsed
US
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Catalyst containing copper phosphate and silver phosphate useful in the oxygenation of hydrogen halides
Assignee: Velsicol Chemical LLC
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Filing: 1968-06-18
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Granted: 1971-08-17
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Expires: 1988-06-18
Abstract
Abstract A CATALYST COMPOSITION WHICH COMPRISES A COMPOSITE OF A CATALYTIC COMPONENT OF A COPPER PHOSPAHTE AND A SILVER PHOSPAHTE AND A NON-CATALYTIC REFRACTORY SUPPORT. IN ADDITION, THE CATALYST COMPOSITION CAN INCLUDE AT LEAST ONE ALKALI METAL PHOSPHATE.
Inventors
- 👤 Raymond W Ingwalson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:56
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/09; C01B7/096; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/1802; B01J27/1817; C01B7/01; C01B7/03; C01B7/04
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |