US2775574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylonitrile copolymers stabilized with cinnamic acid and its salts
Assignee: Monsanto Chemicals Ltd
•
Filing: 1953-04-27
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Granted: 1956-12-25
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Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 Robert J Slocombe
- 👤 George L Wesp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A STABLE ACRYLONITRILE POLYMER COMPRISING SOLID A POLYMER OF 20% TO 100% OF ACRYLONITRILE AND UP TO 80% OF ANOTHER MONOOLEFINIC MONOMER COPOLYMERIZED THEREWITH, SAID POLYMER CONTAINING INTIMATELY DISPERSED THEREIN FROM 0.01% TO 10% OF A COMPOUND OF THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
42 words
A STABLE ACRYLONITRILE POLYMER COMPRISING SOLID A POLYMER OF 20% TO 100% OF ACRYLONITRILE AND UP TO 80% OF ANOTHER MONOOLEFINIC MONOMER COPOLYMERIZED THEREWITH, SAID POLYMER CONTAINING INTIMATELY DISPERSED THEREIN FROM 0.01% TO 10% OF A COMPOUND OF THE GROUP CONSISTING OF:
References Cited (Backward Citations)
US2614090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |