US2776946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising plasticized acrylonitrile polymers and molded and extruded articles made therefrom
Assignee: Akzo Nobel UK PLC
•
Filing: 1952-02-23
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Granted: 1957-01-08
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Expires: 1972-02-23
Abstract
No abstract record available.
Inventors
- 👤 Marion R Lytton
- 👤 Edward A Wielicki
- 👤 Lewis Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:17
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/315; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31895; Y10T428/31906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A COMPOSITION CONSISTING ESSENTIALLY OF A FINELY DIVIDED MOLDABLE MIXTURE COMPRISING FINELY DIVIDED PARTICLES OF POLYACRYLONITRILE AND BIS (B-CYANOETHYL) NITROSAMINE IN AN AMOUNT OF ABOUT 10% OF THE COMBINED WEIGHT OF THE POLYACRYLONITRILE AND NITROSAMINE.
Claim 2
Dependent Claim
35 words
A COMPOSITION CONSISTING ESSENTIALLY OF A FINELY DIVIDED MOLDABLE MIXTURE COMPRISING FINELY DIVIDED PARTICLES OF POLYACRYLONITRILE AND BIS (B-CYANOETHYL) NITROSAMINE IN AN AMOUNT OF ABOUT 10% OF THE COMBINED WEIGHT OF THE POLYACRYLONITRILE AND NITROSAMINE.
References Cited (Backward Citations)
US2404713A
Cited
FR905695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |