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US2984687A
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Catalytic process for n-alkylation of amines
Assignee: Standard Oil Co
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Filing: 1956-04-27
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Granted: 1961-05-16
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Expires: 1976-04-27
Abstract
No abstract record available.
Inventors
- 👤 Donald L Esmay
- 👤 Jr Peter Fotis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:56
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR THE ALKYATION OF THE NITROGEN ATOM OF AN AMINO HYDROCARBON CONTAINING AN N-H GROUP, WHICH PROCESS COMPRISES REACTING SAID AMINO HYDROCARBON WITH ETHYLENE IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF AN ALKALI REAGENT SELECTED FROM THE CLASS CONSISTING OF ALKALI METALS AND ALKALI METAL HYDRIDES, SAID ALKALI REAGENT BEING EXTENDED UPON AN INERT PARTICULATE SOLID MATERIAL, EFFECTING SAID REACTION UNDER A TOTAL PRESSURE BELOW ABOUT 100 ATMOSPHERES AND AT AN ELEVATED TEMPERATURE SUFFICIENT TO EFFECT SUBSTANTIAL N-ALKYLATION, AND RECOVERING AN ALKYLATED AMINE THUS PRODUCED.
Claim 2
Dependent Claim
89 words
A PROCESS FOR THE ALKYATION OF THE NITROGEN ATOM OF AN AMINO HYDROCARBON CONTAINING AN N-H GROUP, WHICH PROCESS COMPRISES REACTING SAID AMINO HYDROCARBON WITH ETHYLENE IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF AN ALKALI REAGENT SELECTED FROM THE CLASS CONSISTING OF ALKALI METALS AND ALKALI METAL HYDRIDES, SAID ALKALI REAGENT BEING EXTENDED UPON AN INERT PARTICULATE SOLID MATERIAL, EFFECTING SAID REACTION UNDER A TOTAL PRESSURE BELOW ABOUT 100 ATMOSPHERES AND AT AN ELEVATED TEMPERATURE SUFFICIENT TO EFFECT SUBSTANTIAL N-ALKYLATION, AND RECOVERING AN ALKYLATED AMINE THUS PRODUCED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |