US2589707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Choline gallate and its preparation
Assignee: Individual
•
Filing: 1950-06-06
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Granted: 1952-03-18
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Expires: 1970-06-06
Abstract
No abstract record available.
Inventors
- 👤 Korner John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:28
CPC Classifications
C; C07; C07C; C07C65/00; C07C65/01; C07C65/03
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
16 words
THE PROCESS OF PREPARING CHOLINE GALLATE WHICH CONSISTS IN REACTING FREE CHOLINE WITH FREE GALLIC ACID.
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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |