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US3422005A
Expired / Lapsed
US
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Isobaric process for molecular sieve separation of normal paraffins from hydrocarbon mixtures
Assignee: Union Carbide Corp
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Filing: 1967-11-08
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Granted: 1969-01-14
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Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 William F Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:22
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/02; C10G25/03; B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D2256/00; B01D2256/24; B01D2259/00; B01D2259/40; B01D2259/402
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |