US2589055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixtures comprising polyacrylonitrile and polyalkyl alpha-acylaminoacrylates and articles obtained therefrom
Assignee: Eastman Kodak Co
•
Filing: 1950-04-29
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Granted: 1952-03-11
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Expires: 1970-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Coover
- 👤 Joseph B Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:53
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A RESINOUS COMPOSITION COMPRISING FROM 60 TO 90 PER CENT BY WEIGHT OF A POLYMER CONTAINING AT LEAST 95 PER CENT BY WEIGHT OF ACRYLONITRILE IN THE POLYMER MOLECULE, AND FROM 40 TO 10 PER CENT BY WEIGHT OF A POLYMER CONTAINING IN THE POLYMER MOLECULE AT LEAST 95 PER CENT BY WEIGHT OF AN ALKYL A-ACYLAMINOACRYLATE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
63 words
A RESINOUS COMPOSITION COMPRISING FROM 60 TO 90 PER CENT BY WEIGHT OF A POLYMER CONTAINING AT LEAST 95 PER CENT BY WEIGHT OF ACRYLONITRILE IN THE POLYMER MOLECULE, AND FROM 40 TO 10 PER CENT BY WEIGHT OF A POLYMER CONTAINING IN THE POLYMER MOLECULE AT LEAST 95 PER CENT BY WEIGHT OF AN ALKYL A-ACYLAMINOACRYLATE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
US2404714A
Cited
US2527863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |