US3432393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of hydroxycycloalkanones
Assignee: Sanofi Aventis France
•
Filing: 1966-04-19
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Granted: 1969-03-11
•
Expires: 1986-04-19
Abstract
No abstract record available.
Inventors
- 👤 Paul Bellet
- 👤 Truong Van Thuong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:13
CPC Classifications
C; C07; C07C; C07C201/00; C07C201/06; C07C201/12; C07C45/00; C07C45/56; C07C45/562; C07C2601/00; C07C2601/06; C07C2601/08; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874; Y10S435/875; Y10S435/886; Y10S435/903; Y10S435/911; Y10S435/913; Y10S435/917; Y10S435/931; Y10S435/939; Y10S435/94; Y10S435/942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2833694A
Cited
US3281330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |