US3524884A
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Intramolecular cyclization of cis-4-cyclooctene-1-carboxylic acid chloride to form bicyclo(3.3.1)nonyl compounds
Assignee: Procter and Gamble Co
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Filing: 1966-11-28
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Granted: 1970-08-18
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Expires: 1986-11-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Kretschmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:45
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046; C07; C07C; C07C45/00; C07C45/45; C07C45/455; C07C49/00; C07C49/385; C07C49/457; C07C49/467; C07C49/473; C07C49/477; C07C49/587; C07C49/613; C07C49/617; C07C49/623; C07C49/633
Claims Analysis
Total Claims: 0
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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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |