US2990392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous composition comprising an acrylonitrile polymer and an alkyl bis-(cyanoethyl) amino propionate ester
Assignee: Wyeth Holdings LLC
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Filing: 1958-08-07
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Granted: 1961-06-27
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Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Saxon Robert
- 👤 Mary T Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:53
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08K; C08K5/00; C08K5/16; C08K5/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A SYNTHETIC RESINOUS COMPOSITION COMPRISING (1) A POLYMERIZATION PRODUCT SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF ACRYLONITRILE AND COPOLYMERS OF ACRYLONITRILE WITH A MONOETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH, WHEREIN SAID COPOLYMER CONTAINS AT LEAST 60% BY WEIGHT OF INTERPOLYMERIZED ACRYLONITRILE, PLASTICIZED WITH (2) AN ESTER SELECTED FROM THE GROUP CONSISTING OF ALKYL 3-BIS(CYANOETHYL) AMINO PROPIONATES AND AKLYL 3-BIS(CYANOETHLY)AMINO-2-METHYL PROPIONATES, WHEREIN THE ALKYL GROUP CONTAINS 1 TO 10 CARBON ATOMS.
Claim 2
Dependent Claim
70 words
A SYNTHETIC RESINOUS COMPOSITION COMPRISING (1) A POLYMERIZATION PRODUCT SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF ACRYLONITRILE AND COPOLYMERS OF ACRYLONITRILE WITH A MONOETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH, WHEREIN SAID COPOLYMER CONTAINS AT LEAST 60% BY WEIGHT OF INTERPOLYMERIZED ACRYLONITRILE, PLASTICIZED WITH (2) AN ESTER SELECTED FROM THE GROUP CONSISTING OF ALKYL 3-BIS(CYANOETHYL) AMINO PROPIONATES AND AKLYL 3-BIS(CYANOETHLY)AMINO-2-METHYL PROPIONATES, WHEREIN THE ALKYL GROUP CONTAINS 1 TO 10 CARBON ATOMS.
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) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |