US3352916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aminated polyoxyalkylene fatty amines
Assignee: Zeneca Inc
•
Filing: 1964-04-15
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Granted: 1967-11-14
•
Expires: 1984-04-15
Abstract
No abstract record available.
Inventors
- 👤 John D Zech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:42
CPC Classifications
C; C10; C10M; C10M133/00; C10M133/02; C10M133/04; C10M133/06; C10M133/08; A; A01; A01N; A01N25/00; A01N25/30; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10N; C10N2050/00; C10N2050/015; C10N2050/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A COMPOSITION PREPARED BY REACTING A POLYOXYALKYLENE DERIVATIVE OF AN AMINE HAVING A 10 TO 20 CARBON ATOM ALIPHATIC RADICAL, SAID DERIVATIVE CONTAINING FROM 2 TO 20 MOLES OF ALKYLENE OXIDE UNITS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE UNITS AND PROPYLENE OXIDE UNITS FOR EACH EQUIVALENT OF AMINO HYDROGEN IN SAID AMINE, AND AND AMINATING AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIA, PRIMARY ALKYL AMINES AND SECONDARY ALKYL AMINES, SAID PRIMARY AND SECONDARY ALKYL AMINES CONTAINING FROM 1 TO 6 CARBON ATOMS, IN THE PRESENCE OF A RANEY METAL HYDROGENATION CATALYST AND AT A TEMPERATURE FROM ABOUT 175*C. TO ABOUT 275*C.
Claim 2
Dependent Claim
104 words
A COMPOSITION PREPARED BY REACTING A POLYOXYALKYLENE DERIVATIVE OF AN AMINE HAVING A 10 TO 20 CARBON ATOM ALIPHATIC RADICAL, SAID DERIVATIVE CONTAINING FROM 2 TO 20 MOLES OF ALKYLENE OXIDE UNITS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE UNITS AND PROPYLENE OXIDE UNITS FOR EACH EQUIVALENT OF AMINO HYDROGEN IN SAID AMINE, AND AND AMINATING AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIA, PRIMARY ALKYL AMINES AND SECONDARY ALKYL AMINES, SAID PRIMARY AND SECONDARY ALKYL AMINES CONTAINING FROM 1 TO 6 CARBON ATOMS, IN THE PRESENCE OF A RANEY METAL HYDROGENATION CATALYST AND AT A TEMPERATURE FROM ABOUT 175*C. TO ABOUT 275*C.
References Cited (Backward Citations)
US3029208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |