US2616889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensation products of the sugars with derivatives of esculetol and process
Assignee: Sanofi Aventis France
•
Filing: 1949-05-05
•
Granted: 1952-11-04
•
Expires: 1969-05-05
Abstract
No abstract record available.
Inventors
- 👤 Velluz Leon
- 👤 Amiard Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:30
CPC Classifications
C; C07; C07H; C07H17/00; C07H17/04; C07H17/06; C07H17/065; C07H17/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
6-GLUCOSIDE OF METHYL-4 ESCULETOL.
Claim 2
Dependent Claim
4 words
6-GLUCOSIDE OF METHYL-4 ESCULETOL.
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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |