US2601251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylonitrile polymers
Assignee: Industrial Rayon Corp
•
Filing: 1948-10-08
•
Granted: 1952-06-24
•
Expires: 1968-10-08
Abstract
No abstract record available.
Inventors
- 👤 Herman A Bruson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:01
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C08F16/00; C08F16/12; C08F16/14; C08F16/28; C08F20/00; C08F20/02; C08F20/42; D; D01; D01F; D01F6/00; D01F6/02; D01F6/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AS A NEW COMPOSITION OF MATTER, A FIBERFORMING COPOLYMER DERIVED BY THE POLYMERIZATION OF A MIXTURE OF COPOLYMERIZABLE MONOETHYLENIC COMPOUNDS COMPRISING ACRYLONITRILE AND AN AMINO-VINYL ETHER COMPOUND SELECTED FROM THE GROUP CONSISTING OF A MONO-VINYL ETHER OF AN AMINO-ALCOHOL AND A WATER-SOLUBLE SALT OF A MONO-VINYL ETHER OF AN AMINO-ALCOHOL; SAID MONO-VINYL ETHER HAVING THE FORMULA
Claim 2
Dependent Claim
56 words
AS A NEW COMPOSITION OF MATTER, A FIBERFORMING COPOLYMER DERIVED BY THE POLYMERIZATION OF A MIXTURE OF COPOLYMERIZABLE MONOETHYLENIC COMPOUNDS COMPRISING ACRYLONITRILE AND AN AMINO-VINYL ETHER COMPOUND SELECTED FROM THE GROUP CONSISTING OF A MONO-VINYL ETHER OF AN AMINO-ALCOHOL AND A WATER-SOLUBLE SALT OF A MONO-VINYL ETHER OF AN AMINO-ALCOHOL; SAID MONO-VINYL ETHER HAVING THE FORMULA
References Cited (Backward Citations)
US2016490A
Cited
US2146295A
Cited
US2188778A
Cited
US2356767A
Cited
US2425086A
Cited
US2458352A
Cited
US2491471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |