Patent US4740253A successfully refreshed from Google Patents.
Patent US3080435A successfully refreshed from Google Patents.
US3080435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation process
Assignee: Shell USA Inc
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Filing: 1960-07-18
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Granted: 1963-03-05
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Nager Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:43
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/54; C07C5/56; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN THE PROCESS FOR THE DEHYDOGENATION OF A FIRST ORGANIC COMPOUND TO AT LEAST A SECOND ORGANIC COMPOUND HAVING A HIGHER CARBON-TO-HYDROGEN RATIO, WHEREIN THE FIRST COMPOUND AND A REACTIVE IODINE SPECIES ARE REACTED AT A TEMPERATURE IN EXCESS OF 200*C. WHEREBY THE SECOND COMPOUND AND HYDROGEN IODIDE ARE PRODUCED, THE IMPROVEMENT COMPRISING CONDUCTING THE REACTION IN A MOLTEN SALT ENVIRONMENT, AND INJECTING OXYGEN INTO THE LEAST ONE METALLIC IODIDE, AND INJECTING OXYGEN INTO THE MOLTEN SALT ENVIRONMENT AND THEREBY LIBERATING IODINE FROM THE METALLIC IODIDE TO PROVIDE IODINE FOR THE AFORESAID REACTION.
Claim 2
Dependent Claim
93 words
IN THE PROCESS FOR THE DEHYDOGENATION OF A FIRST ORGANIC COMPOUND TO AT LEAST A SECOND ORGANIC COMPOUND HAVING A HIGHER CARBON-TO-HYDROGEN RATIO, WHEREIN THE FIRST COMPOUND AND A REACTIVE IODINE SPECIES ARE REACTED AT A TEMPERATURE IN EXCESS OF 200*C. WHEREBY THE SECOND COMPOUND AND HYDROGEN IODIDE ARE PRODUCED, THE IMPROVEMENT COMPRISING CONDUCTING THE REACTION IN A MOLTEN SALT ENVIRONMENT, AND INJECTING OXYGEN INTO THE LEAST ONE METALLIC IODIDE, AND INJECTING OXYGEN INTO THE MOLTEN SALT ENVIRONMENT AND THEREBY LIBERATING IODINE FROM THE METALLIC IODIDE TO PROVIDE IODINE FOR THE AFORESAID REACTION.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |