US3265739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 2-octalones
Assignee: International Flavors and Fragrances Inc
•
Filing: 1962-02-23
•
Granted: 1966-08-09
•
Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Jack H Blumenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:13
CPC Classifications
C; C07; C07C; C07C255/00; C07C35/00; C07C35/22; C07C35/23; C07C35/36; C07C45/00; C07C45/27; C07C45/29; C07C45/292; C07C45/42; C07C45/61; C07C45/62; C07C45/67; C07C49/00; C07C49/385; C07C49/417; C07C49/423; C07C49/427; C07C49/447; C07C49/587; C07C49/613; C07C49/617; C07C49/623; C07C49/637; C11; C11B; C11B9/00; C11B9/0042; C11B9/0046; C11B9/0049; C11B9/0053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
THE PROCESS WHICH COMPRISES CYCLIZING THE COMPOUND
Claim 2
Dependent Claim
7 words
THE PROCESS WHICH COMPRISES CYCLIZING THE COMPOUND
References Cited (Backward Citations)
US2912462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |