Patent US2694708A successfully refreshed from Google Patents.
US2694708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N, n-difatty alkylsubstituted morpholinium halides
Assignee: General Mills Inc
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Filing: 1952-06-20
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Granted: 1954-11-16
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Expires: 1972-06-20
Abstract
No abstract record available.
Inventors
- 👤 John G Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:50
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A MORPHOLINIUM HALIDE HAVING TWO ALKYL GROUPS, EACH CONTAINING FROM 8-22 CARBON ATOMS, ATTACHED TO THE NITROGEN ATOM, AND HAVING ATTACHED TO THE RING AT LEAST ONE ALKYL GROUP CONTAINING FROM ONE TO THREE CARBON ATOMS, THE RING BEING UNSUBSTITUTED EXCEPT FOR SAID ALKYL GROUPS.
Claim 2
Dependent Claim
45 words
A MORPHOLINIUM HALIDE HAVING TWO ALKYL GROUPS, EACH CONTAINING FROM 8-22 CARBON ATOMS, ATTACHED TO THE NITROGEN ATOM, AND HAVING ATTACHED TO THE RING AT LEAST ONE ALKYL GROUP CONTAINING FROM ONE TO THREE CARBON ATOMS, THE RING BEING UNSUBSTITUTED EXCEPT FOR SAID ALKYL GROUPS.
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) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |