US2600953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic polymers from hydroxy amino acids
Assignee: Organico
•
Filing: 1949-04-18
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Granted: 1952-06-17
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Expires: 1969-04-18
Abstract
No abstract record available.
Inventors
- 👤 Aelion Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:18
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44; C08G63/00; C08G63/68; C08G63/685; C08G63/6852
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A METHOD FOR PRODUCING A SYNTHETIC POLYMER, WHICH COMPRISES POLYCONDENSING BY HEATING AN AMINO-HYDROXYCARBOXYLIC ACID OF THE FORMULA
Claim 2
Independent Claim
18 words
A METHOD FOR PRODUCING A SYNTHETIC POLYMER, WHICH COMPRISES POLYCONDENSING BY HEATING AN AMINO-HYDROXYCARBOXYLIC ACID OF THE FORMULA
References Cited (Backward Citations)
US2274831A
Cited
US2279745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |