US2493373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dimers of angelica lactone
Assignee: Primary Products Ingredients Americas LLC
•
Filing: 1946-07-31
•
Granted: 1950-01-03
•
Expires: 1966-07-31
Abstract
No abstract record available.
Inventors
- 👤 Wolff Hans
- 👤 Wendell W Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:32
CPC Classifications
C; C07; C07D; C07D315/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
3 words
ANGELICA LACTONE DIMER.
References Cited (Backward Citations)
US2163109A
Cited
US2361036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |