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US3496220A
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US
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Esterification process
Assignee: Mobil Oil AS
•
Filing: 1966-10-28
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Granted: 1970-02-17
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 William H Mccarty
- 👤 Harry R Nettleton
- 👤 Robert W Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:51
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/24; B01J19/245; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00159; B01J2219/00162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB776282A
Cited
US3050533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |