US3539498A
Expired / Lapsed
US
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Catalytic dewaxing with the use of a crystalline alumino zeolite of the mordenite type in the presence of hydrogen
Assignee: Texaco Inc
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Filing: 1966-06-20
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Granted: 1970-11-10
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Morris
- 👤 Paul P Bozeman Jr
- 👤 Howard T Horton Jr
- 👤 Billy H Cummins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:36
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; C10G2400/00; C10G2400/10
Claims Analysis
Total Claims: 0
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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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |