Patent US566147A successfully refreshed from Google Patents.
US3294484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of palladium chloride for dimerizing aromatics
Assignee: Gulf Research and Development Co
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Filing: 1964-11-17
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Granted: 1966-12-27
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Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Alan F Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:12
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C01; C01G; C01G55/00; C01G55/005; C07; C07C; C07C2/00; C07C2/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A PROCESS FOR CONVERTING PALLADIUM METAL TO PALLADIUM CHLORIDE WHICH COMPRISES REACTING PALLADIUM METAL WITH CHLORINE IN ANHYDROUS CARBOXYLIC ACID AT A TEMPERATURE AT ABOUT 10* TO ABOUT 100* C.
Claim 2
Dependent Claim
30 words
A PROCESS FOR CONVERTING PALLADIUM METAL TO PALLADIUM CHLORIDE WHICH COMPRISES REACTING PALLADIUM METAL WITH CHLORINE IN ANHYDROUS CARBOXYLIC ACID AT A TEMPERATURE AT ABOUT 10* TO ABOUT 100* C.
References Cited (Backward Citations)
GB879074A
Cited
US3145237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |