US3567625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroforming with promoted iridium catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1969-02-06
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Granted: 1971-03-02
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Expires: 1989-02-06
Abstract
Abstract THE USE, IN AHYDROFORMING PROCESS, OF A CATALYST COMPRISING IRIDIUM AND A METAL SELECTED FROM THE GROUP CONSISTING OF GOLD, COPPER OR SILVER, SUPPORTED ON A HIGH SURFACE AREA SUPPORT RESULTS IN THE PRODUCTION OF AN IMPROVED HYDROFORMATE.
Inventors
- 👤 John H Sinfelt
- 👤 Allan E Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:13
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/48; B01J23/70; B01J23/89; B01J23/8926; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09
Claims Analysis
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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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |