US3210152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regeneration of metal-containing reaction components and process for the production of palladium chloride
Assignee: Shell USA Inc
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Filing: 1962-05-25
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Granted: 1965-10-05
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Robert Van Helden
- 👤 Jonkhoff Taeke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:40
CPC Classifications
C; C01; C01G; C01G55/00; C01G55/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
THE PROCESS FOR PRODUCING PALLADIUM CHLORIDE WHICH COMPRISES CONTACTING METALLIC PALLADIUM, UNDER SUSBTANTIALLY ANHYDROUS CONDITIONS, WITH OXYGEN AT A TEMPERATURE OF FROM ABOUT 0 TO ABOUT 100*C., IN THE PRESENCE OF A MIXTURE CONSISTING ESSENTIALLY OF A MONOCARBOXYLIC TERTIARY ALKANOIC ACID, HYDROGEN CHLORIDE AND A PROMOTOR SELECTED FROM THE GROUP CONSISTING OF THE MONO- AND DIOXIDES OF NITROGEN AND POLYVALENT REDOX METALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |