Patent US3155657A successfully refreshed from Google Patents.
US3155657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of polyglycolamine and morpholine
Assignee: Texaco Inc
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Filing: 1961-07-20
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Granted: 1964-11-03
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Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Bedoit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:26
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; C07D295/023; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/46; B01J23/462; B01J37/00; B01J37/02; B01J37/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A METHOD WHICH COMPRISES THE STEPS OF CONTACTING A RUTHENIUM ON ALUMINA CATALYST CONTAINING FROM ABOUT 0.2 TO ABOUT 5 WT. PERCENT OF METALLIC RUTHENIUM WITH DIETHYLENE GLYCOL CONTAINING UP TO 50 VOL. PERCENT OF WATER, HYDROGEN AND FROM ABOUT 1.5 TO 3 MOLS OF AMMONIA PER MOL OF DIETHYLENE GLYCOL UNDER REACTION CONDITIONS INCLUDING A TEMPERATURE WITHIN THE RANGE OF ABOUT 180* TO 300* C., A PRESSURE WITHIN THE RANGE OF ABOUT 100 TO 300 ATMOSPHERES INCLUDING A HYDROGEN PARTIAL PRESSURE OF ABOUT 50 TO ABOUT 200 ATMOSPHERES AND A REACTION TIME WITHIN THE RANGE OF ABOUT 0.2 TO 2 HOURS SUFFICIENT TO EFFECT CONVERSION OF FROM ABOUT 40% TO ABOUT 80% OF THE SAID DIETHYLENE GLYCOL TO THEREBY PROVIDE A REACTION MIXTURE COMPRISING 2-(2-HYDROXYETHOXY) ETHYL AMINE AND MORPHOLINE AND RECOVERING SAID 2-(2-HYDROXYETHOXY) ETHYL AMINE AND MORPHOLINE FROM SAID REACTION MIXTURE.
Claim 2
Independent Claim
142 words
A METHOD WHICH COMPRISES THE STEPS OF CONTACTING A RUTHENIUM ON ALUMINA CATALYST CONTAINING FROM ABOUT 0.2 TO ABOUT 5 WT. PERCENT OF METALLIC RUTHENIUM WITH DIETHYLENE GLYCOL CONTAINING UP TO 50 VOL. PERCENT OF WATER, HYDROGEN AND FROM ABOUT 1.5 TO 3 MOLS OF AMMONIA PER MOL OF DIETHYLENE GLYCOL UNDER REACTION CONDITIONS INCLUDING A TEMPERATURE WITHIN THE RANGE OF ABOUT 180* TO 300* C., A PRESSURE WITHIN THE RANGE OF ABOUT 100 TO 300 ATMOSPHERES INCLUDING A HYDROGEN PARTIAL PRESSURE OF ABOUT 50 TO ABOUT 200 ATMOSPHERES AND A REACTION TIME WITHIN THE RANGE OF ABOUT 0.2 TO 2 HOURS SUFFICIENT TO EFFECT CONVERSION OF FROM ABOUT 40% TO ABOUT 80% OF THE SAID DIETHYLENE GLYCOL TO THEREBY PROVIDE A REACTION MIXTURE COMPRISING 2-(2-HYDROXYETHOXY) ETHYL AMINE AND MORPHOLINE AND RECOVERING SAID 2-(2-HYDROXYETHOXY) ETHYL AMINE AND MORPHOLINE FROM SAID REACTION MIXTURE.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |