Patent US3227742A successfully refreshed from Google Patents.
US3227742A
Expired / Lapsed
US
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Methyl and ethyl esters of cyclododecanoic and cycloundecanoic acid
Assignee: Rhone Poulenc SA
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Filing: 1963-06-05
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Granted: 1966-01-04
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Expires: 1983-06-05
Abstract
No abstract record available.
Inventors
- 👤 Lafont Pierre
- 👤 Bonnet Yannik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:25
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/0026; C11B9/0038; C07; C07C; C07C45/00; C07C45/61; C07C45/63; C07C45/67; C07C45/68; C07C45/70; C07C45/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |