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Patent US3110732A successfully refreshed from Google Patents.
US3110732A
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Method for preparing basic polyether compositions
Assignee: Texaco Inc
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Filing: 1959-12-18
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Granted: 1963-11-12
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Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
- 👤 George P Speranza
- 👤 Sherman D Lesesne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:44
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C23F11/142; A; A01; A01N; A01N25/00; A01N25/30; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A PROCESS FOR PREPARING A PRIMARY AMINE BASIC POLYETHER WHICH COMPRISES REACTING A PRIMARY ALKANOLAMINE WITH AN EQUIVALENT AMOUNT OF A CARBONYL COMPOUND AT A TEMPERATURE WITHIN THE RANGE OF 70* TO 175C. TO FORM A CONDENSATION PRODUCT, REACTING SAID CONDENSATION PRODUCT WITH FROM ABOUT 0.01 TO 1 MOL PER MOL OF CONDENSATION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE METALS,HYDRIDES, AMIDES, HYDROXIDES AND ALKOXIDES OF SODIUM AND POTASSIUM AND REMOVING ANY BY-PRODUCT WATER AND ALCOHOL OF HTE REACTION TO THEREBY PROVIDE A REACTION MIXTURE CONTAINING AN ANHYDROUS ALKALI ALKOXIDE, ADDING FRM ABOUT 2 TO ABOUT 200 MOLS OF AN ALKYLENE OXIDE PER MOS OF CONDENSATION PRODUCT TO SAID REACTION MIXTURE AT A TEMPERATURE OF 40* TO 200*C. AND A PRESSURE OF 0 TO 200 P.S.I.G. TO FORM AN ALKYLENE OXIDE ADDUCT OF SAID CONDENSATION PRODUCT AN DHYDROLYZING SAID ADDUCT TO FORM A PRIMARY AMINE BASIC POLYETHER COMPOSITION, SAID ALKANOLAMINE HAVING THE FORMULA:
Claim 2
Dependent Claim
157 words
A PROCESS FOR PREPARING A PRIMARY AMINE BASIC POLYETHER WHICH COMPRISES REACTING A PRIMARY ALKANOLAMINE WITH AN EQUIVALENT AMOUNT OF A CARBONYL COMPOUND AT A TEMPERATURE WITHIN THE RANGE OF 70* TO 175C. TO FORM A CONDENSATION PRODUCT, REACTING SAID CONDENSATION PRODUCT WITH FROM ABOUT 0.01 TO 1 MOL PER MOL OF CONDENSATION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE METALS,HYDRIDES, AMIDES, HYDROXIDES AND ALKOXIDES OF SODIUM AND POTASSIUM AND REMOVING ANY BY-PRODUCT WATER AND ALCOHOL OF HTE REACTION TO THEREBY PROVIDE A REACTION MIXTURE CONTAINING AN ANHYDROUS ALKALI ALKOXIDE, ADDING FRM ABOUT 2 TO ABOUT 200 MOLS OF AN ALKYLENE OXIDE PER MOS OF CONDENSATION PRODUCT TO SAID REACTION MIXTURE AT A TEMPERATURE OF 40* TO 200*C. AND A PRESSURE OF 0 TO 200 P.S.I.G. TO FORM AN ALKYLENE OXIDE ADDUCT OF SAID CONDENSATION PRODUCT AN DHYDROLYZING SAID ADDUCT TO FORM A PRIMARY AMINE BASIC POLYETHER COMPOSITION, SAID ALKANOLAMINE HAVING THE FORMULA:
References Cited (Backward Citations)
US2629740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |