Patent US3144491A successfully refreshed from Google Patents.
US3144491A
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Preparation of 1-(2-bicyclo [2. 2. 1] hept-5-enyl) hex-5-ene and 1-[2-(delta6-octahydro-1, 4: 5, 8-dimethanonaphthyl) hex-5-ene
Assignee: Union Carbide Corp
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Filing: 1962-12-28
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Granted: 1964-08-11
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 George L O'connor
- 👤 Henry E Fritz
- 👤 David W Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:19
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/39; C07C13/42; C07C13/43; C07C13/62; C07C13/66; C07C13/68; C07C2602/00; C07C2602/36; C07C2602/42; C07C2603/00; C07C2603/56; C07C2603/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
1 - (2 - BICYCLO(2-2-1)HEPT - 5 - ENYL)HEX - 5 - ENE. 2. 1 - (2 - ($6 - OCTAHYDRO - 1,4:5,8 - DIMETHANONAPHTHYL)HEX-5-ENE.
Claim 2
Dependent Claim
25 words
1 - (2 - BICYCLO(2-2-1)HEPT - 5 - ENYL)HEX - 5 - ENE. 2. 1 - (2 - ($6 - OCTAHYDRO - 1,4:5,8 - DIMETHANONAPHTHYL)HEX-5-ENE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |