Patent US2918477A successfully refreshed from Google Patents.
US2918477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caffeic esters of quinic acid and quinic acid amide and syntheses thereof
Assignee: Individual
•
Filing: 1955-12-27
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Granted: 1959-12-22
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Expires: 1975-12-27
Abstract
No abstract record available.
Inventors
- 👤 Alberti Carlo Giuseppe
- 👤 Cattapan Domenico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:23
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
CAFFEIC ESTERS OF QUINIC ACID AND QUINIC ACID AMIDE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
1 words
1,4,5-TRICAFFEYL-QUINIDE-TRICARBONATE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |