US2628224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl dialkylaminohydrocarbonamides
Assignee: EIDP Inc
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Filing: 1951-01-16
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Granted: 1953-02-10
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Expires: 1971-01-16
Abstract
No abstract record available.
Inventors
- 👤 Cairns Theodore Le Sueur
- 👤 John C Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:22
CPC Classifications
C; C08; C08F; C08F26/00; C08F26/02; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/17; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/07
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
86 words
AN N-MONOVINYL SUBSTITUTED AMIDE CONTAINING A TERTIARY AMINO NITROGEN ATOM, TWO OF WHOSE VALENCES ARE SATISFIED BY ALKYL RADICALS OF 1 TO 18 CARBON ATOMS AND THE THIRD VALENCE BEING SATISFIED BY A BIVALENT HYDROCARBON RADICAL OF 2 TO 12 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ALKYLENE, ARYLENE AND CYCLOHEXYLENE RADICALS, SAID HYDROCARBON RADICAL BEING LINKED DIRECTLY BY A SINGLE BOND TO A MEMBER OF THE CLASS CONSISTING OF CARBONAMIDE AND SULFONAMIDO GROUPS CONTAINING A VINYL GROUP ATTACHED DIRECTLY TO THE AMIDO NITROGEN ATOM.
Claim 2
Dependent Claim
86 words
AN N-MONOVINYL SUBSTITUTED AMIDE CONTAINING A TERTIARY AMINO NITROGEN ATOM, TWO OF WHOSE VALENCES ARE SATISFIED BY ALKYL RADICALS OF 1 TO 18 CARBON ATOMS AND THE THIRD VALENCE BEING SATISFIED BY A BIVALENT HYDROCARBON RADICAL OF 2 TO 12 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ALKYLENE, ARYLENE AND CYCLOHEXYLENE RADICALS, SAID HYDROCARBON RADICAL BEING LINKED DIRECTLY BY A SINGLE BOND TO A MEMBER OF THE CLASS CONSISTING OF CARBONAMIDE AND SULFONAMIDO GROUPS CONTAINING A VINYL GROUP ATTACHED DIRECTLY TO THE AMIDO NITROGEN ATOM.
Claim 3
Dependent Claim
13 words
A POLYMER OF AN N-MONOVINYL SUBSTITUTED AMIDE AS SET FORTH IN CLAIM 1.
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) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |