US3963703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trialkylammonium -N-[β(1-aziridinyl)] propionoylimines
Assignee: Ashland LLC
•
Filing: 1971-09-13
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Granted: 1976-06-15
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Expires: 1991-09-13
Abstract
Abstract A class of trialkylammonium -N-[β (1-aziridinyl)] propionoylimines and methods for preparing the same are described. These compounds find particular usefulness in the polymer art either as monomers, difunctional cross-linking agents or as modifiers for a variety of polymeric compositions containing active acid hydrogen atoms.
Inventors
- 👤 Billy M. Culbertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:00
CPC Classifications
C; C07; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/08; C08; C08F; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F8/00; C08F8/30; C08G; C08G73/00; C08G73/02; C08G73/028; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
41 words
A compound of the formula ##EQU8## wherein A represents the ethylene or propylene radical; R is alkyl; R 1 is alkyl or hydroxyalkyl; and R 2 , R 3 , R 4 and R 5 each represents hydrogen, aryl or alkyl.
Claim 2
Dependent Claim
41 words
A compound of the formula ##EQU8## wherein A represents the ethylene or propylene radical; R is alkyl; R 1 is alkyl or hydroxyalkyl; and R 2 , R 3 , R 4 and R 5 each represents hydrogen, aryl or alkyl.
Claim 3
Dependent Claim
13 words
A compound in accordance with claim 1 wherein A represents the ethylene radical.
Claim 4
Dependent Claim
15 words
A compound in accordance with claim 2 wherein R and R 1 are lower alkyl.
Claim 5
Dependent Claim
27 words
A compound in accordance with claim 3 wherein R 2 , R 3 , R 4 and R 5 is hydrogen, phenyl or a lower alkyl group.
Claim 6
Dependent Claim
14 words
A compound in accordance with claim 4 wherein R and R 1 is methyl.
Claim 7
Dependent Claim
26 words
A compound in accordance with claim 5 wherein R 2 , R 3 , and R 4 is hydrogen and R 5 is hydrogen or methyl.
Claim 8
Dependent Claim
18 words
A compound in accordance with claim 2 wherein R is lower alkyl and R 1 is lower hydroxyalkyl.
Claim 9
Dependent Claim
27 words
A compound in accordance with claim 7 wherein R 2 , R 3 , R 4 and R 5 is hydrogen, phenyl or a lower alkyl group.
Claim 10
Dependent Claim
12 words
A compound in accordance with claim 8 wherein R 1 is 2-hydroxypropyl.
Claim 11
Dependent Claim
11 words
A compound in accordance with claim 9 wherein R is methyl.
Claim 12
Dependent Claim
25 words
A compound in accordance with claim 10 wherein R 2 , R 3 and R 4 is hydrogen and R 5 is hydrogen or methyl.
References Cited (Backward Citations)
US2626931A
Cited
US3485806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-15 | 1979-12-15 | 1980-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-15 | 1983-12-15 | 1984-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-15 | 1987-12-15 | 1988-06-15 | $7700.00 | Window Closed / Lapsed |