Patent US2767210A successfully refreshed from Google Patents.
US2767210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 2-(3-amino-2, 4, 6-triiodobenzyl)-3-hydroxy butyric acid
Assignee: Individual
•
Filing: 1954-05-14
•
Granted: 1956-10-16
•
Expires: 1974-05-14
Abstract
No abstract record available.
Inventors
- 👤 Morren Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:04
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/49; C07C205/56; C07C227/00; C07C227/14; C07C227/18; C07C227/20; C07C229/00; C07C229/02; C07C229/04; C07C229/06; C07C229/08; C07C229/22; C07C229/34; C07C229/36; C07B; C07B2200/00; C07B2200/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
PROCESS FOR PREPARING 2-(3-AMINO-2,4,6-TRIIODOBENZYL)-3-HYDROXYBUTYRIC ACID HAVING THE FORMULA:
Claim 2
Dependent Claim
8 words
PROCESS FOR PREPARING 2-(3-AMINO-2,4,6-TRIIODOBENZYL)-3-HYDROXYBUTYRIC ACID HAVING THE FORMULA:
References Cited (Backward Citations)
US2705726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |