Patent US2989449A successfully refreshed from Google Patents.
Patent US3363014A successfully refreshed from Google Patents.
US3363014A
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US
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Isomerization of olefinic hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1966-04-04
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Granted: 1968-01-09
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Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Edmund T Kittleman
- 👤 Donald L Crain
- 👤 Roger F Kleinschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:28
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/0201; B01J31/0209; B01J31/0205; B01J31/0208; B01J31/0234; B01J31/04; B01J31/16; B01J31/20; C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562; C07C5/2593; B01J2231/00; B01J2231/50; B01J2231/52; B01J2531/00; B01J2531/60; B01J2531/64; B01J2531/66; B01J31/18; B01J31/1845; B01J31/185; B01J31/24; B01J31/2404
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3080432A
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US3102899A
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US3083246A
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US3135776A
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US3139460A
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US3187062A
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US3326949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |