US3544451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of hydrocarbons with a catalyst containing platinum and rhenium combined with a carrier material containing alumina and mordenite
Assignee: Universal Oil Products Co
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Filing: 1969-12-12
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Granted: 1970-12-01
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Expires: 1989-12-12
Abstract
No abstract record available.
Inventors
- 👤 Roy T Mitsche
- 👤 Ernest L Pollitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:49
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/095; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; B01J29/20; B01J29/22; C10G2400/00; C10G2400/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3175967A
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US3236765A
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US3397137A
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US3376214A
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US3409686A
Cited
US3367885A
Cited
US3409685A
Cited
US3369997A
Cited
US3438888A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |