US2531409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interiolymers of acrylonitrile and fumarodinitrile
Assignee: Industrial Rayon Corp
•
Filing: 1946-12-13
•
Granted: 1950-11-28
•
Expires: 1966-12-13
Abstract
No abstract record available.
Inventors
- 👤 Alelio Gaetano F D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A COPOLYMER OF ACRYLONITRILE AND FUMARODINITRILE, SAID COPOLYMER CONTAINING IN THE POLYMER MOLECULE AT LEAST ABOUT 40 PERCENT BY WEIGHT ACRYLONITRILE, AT LEAST ABOUT 1 PERCENT FUMARODINITRILE, AND AT LEAST ABOUT 1 PERCENT OF MONOETHYLENIC COMPOUND OF THE CLASS CONSISTING OF METHYL BETA - CYANOACRYLATE, BETA - CYANOACRYLAMIDE, ITACONAMIDE, ACRYLIC ACID, METHACRYLIC ACID, METHACRYLONITRILE, VINYL CHLORIDE, VINYLIDENE CHLORIDE, VINYL CHLORACETATE, STYRENE, MONOCHLOROSTYRENE, DICHLOROSTYRENE AND ITACONIC ACID, THE SUM OF THE COPOLYMERIZED COMPOUNDS EQUALLING 100 PERCENT.
Claim 2
Dependent Claim
75 words
A COPOLYMER OF ACRYLONITRILE AND FUMARODINITRILE, SAID COPOLYMER CONTAINING IN THE POLYMER MOLECULE AT LEAST ABOUT 40 PERCENT BY WEIGHT ACRYLONITRILE, AT LEAST ABOUT 1 PERCENT FUMARODINITRILE, AND AT LEAST ABOUT 1 PERCENT OF MONOETHYLENIC COMPOUND OF THE CLASS CONSISTING OF METHYL BETA - CYANOACRYLATE, BETA - CYANOACRYLAMIDE, ITACONAMIDE, ACRYLIC ACID, METHACRYLIC ACID, METHACRYLONITRILE, VINYL CHLORIDE, VINYLIDENE CHLORIDE, VINYL CHLORACETATE, STYRENE, MONOCHLOROSTYRENE, DICHLOROSTYRENE AND ITACONIC ACID, THE SUM OF THE COPOLYMERIZED COMPOUNDS EQUALLING 100 PERCENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |