US2531410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric compositions
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
2026-10-25 15:50
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/36; D; D01; D01F; D01F6/00; D01F6/02; D01F6/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
A COPOLYMER OF ACRYLONITRILE AND ITACONDIAMIDE, SAID COPOLYMER CONTAINING IN THE POLYMER MOLECULE AT LEAST ABOUT 29 PERCENT BY WEIGHT ACRYLONITRILE, AT LEAST ABOUT 1 PERCENT ITACONDIAMIDE, AND AT LEAST ABOUT 1 PERCENT OF A MONOETHYLENIC COMPOUND OF THE CLASS CONSISTING OF FUMARODINITRILE, BETA-CYANOACRYLAMIDE, METHYL BETA-CYANOACRYLATE, ACRYLIC ACID, METHACRYLIC ACID, METHACRYLONITRILE, VINYL CHLORIDE, VINYLIDENE CHLORIDE, VINYL CHLORACETATE, STYRENE, MONOCHLOROSTYRENE, DICHLOROSTYRENE AND ITACONIC ACID, THE SUM OF THE COPOLYMERIZED COMPOUNDS EQUALING 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 |