Patent US2889301A successfully refreshed from Google Patents.
US2889301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl chloride plasticized with esters of n-aroylaspartic acids
Assignee: Monsanto Chemicals Ltd
•
Filing: 1957-11-07
•
Granted: 1959-06-02
•
Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Dazzi Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:42
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A RESINOUS COMPOSITION COMPRISING POLYVINYL CHLORIDE PLASTICIZED WITH AN ESTER HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
A RESINOUS COMPOSITION COMPRISING POLYVINYL CHLORIDE PLASTICIZED WITH AN ESTER HAVING THE FORMULA
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |