Patent US4024188A successfully refreshed from Google Patents.
US4024188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Odorant
Assignee: Givaudan Roure Corp
•
Filing: 1975-11-03
•
Granted: 1977-05-17
•
Expires: 1995-11-03
Abstract
Abstract Novel compounds of formula <IMAGE> I wherein R1 represents a lower alkenyl group or R11, or taken together with R4 an oxo group; R11 represents hydrogen or a lower alkyl group; R2 represents hydrogen or a lower alkyl group; R3 represents methyl or methylene; R4 represents hydroxy or a loweralkoxy, lower alkenyloxy, loweralkoxy loweralkyl or acyloxy group and R5 represents hydrogen or, when simultaneously R3 represents methyl and R1 represents R11, taken together with R4 a 3 alpha ,6-epoxide group, and 1,8a-dihydro-derivatives of compounds of formula I wherein R3 represents methyl and R5 represents hydrogen.
Inventors
- 👤 Peter Naegeli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:37
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A compound of the formula ##STR19## wherein R 2 represents hydrogen or lower alkyl.
Claim 2
Dependent Claim
14 words
A compound of the formula ##STR19## wherein R 2 represents hydrogen or lower alkyl.
Claim 3
Dependent Claim
14 words
A compound of the formula ##STR20## wherein R 2 represents hydrogen or lower alkyl.
Claim 4
Dependent Claim
14 words
A compound of the formula ##STR20## wherein R 2 represents hydrogen or lower alkyl.
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) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |