US2921050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation and use of halohydrin ether-amine condensates
Assignee: Celanese Coatings Co
•
Filing: 1956-12-24
•
Granted: 1960-01-12
•
Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 William J Belanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:56
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/024; C08G59/00; C08G59/18; C08G59/40; C08G59/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A PROCESS FOR THE PREPARATION OF AN INSOLUBLE, INFUSIBLE RESINOUS COMPOSITION BY REACTING A GLYCIDYL POLYETHER OF A POLYHYDRIC COMPOUND OF THE GROUP CONSISTING OF POLYHYDRIC PHENOLS AND POLYHYDRIC ALCOHOLS, SAID GLYCIDYL POLYETHER HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE, WITH FROM 0.5 TO 1.5 EQUIVALENTS PER EPOXIDE GROUP OF A HALOHYDRIN ETHER-AMINE CONDENSATE AS A CROSSLINKING AGENT, WHEREIN THE HALOHYDRIN ETHER-AMINE CONDENSATE IS PREPARED BY REACTING A NITROGEN COMPOUND OF THE GROUP CONSISTING OF AMMONIA AND AMINES HAVING AT LEAST TWO AMINO HYDROGEN ATOMS, WITH A HALOHYDRIN ETHER OF AN ALCOHOL OF THE GROUP CONSISTING OF ALCOHOLS AND ETHERS HAVING AT LEAST ONE PRIMARY ALCHOLIC HYDROXYL GROUP AND DEVOID OF REACTIVE GROUPS OTHER THAN ALCOHOLIC HYDROXYL GROUPS AND WHEREIN FROM 0.55 MOL TO 1 MOL OF NITROGEN COMPOUND IS USED PER HALOGEN ATOM OF THE HALOHYDRIN ETHER, ONE MOL OF NITROGEN COMPOUND PER HALOGEN ATOM BEING USED WITH HALOHYDRIN ETHERS HAVING MORE THAN TWO HALOGEN ATOMS AND FROM 0.55 TO 1 MOL OF NITROGEN COMPOUND BEING USED ONLY WITH MONO AND DI HALOHYDRIN ETHERS, AND BY NEUTRALIZING THE RESULTING HYDROHALIDE SALT TO FORM THE HALOHYDRIN ETHER-AMINE CONDENSATE.
Claim 2
Dependent Claim
188 words
A PROCESS FOR THE PREPARATION OF AN INSOLUBLE, INFUSIBLE RESINOUS COMPOSITION BY REACTING A GLYCIDYL POLYETHER OF A POLYHYDRIC COMPOUND OF THE GROUP CONSISTING OF POLYHYDRIC PHENOLS AND POLYHYDRIC ALCOHOLS, SAID GLYCIDYL POLYETHER HAVING A 1,2-EPOXY EQUIVALENCY GREATER THAN ONE, WITH FROM 0.5 TO 1.5 EQUIVALENTS PER EPOXIDE GROUP OF A HALOHYDRIN ETHER-AMINE CONDENSATE AS A CROSSLINKING AGENT, WHEREIN THE HALOHYDRIN ETHER-AMINE CONDENSATE IS PREPARED BY REACTING A NITROGEN COMPOUND OF THE GROUP CONSISTING OF AMMONIA AND AMINES HAVING AT LEAST TWO AMINO HYDROGEN ATOMS, WITH A HALOHYDRIN ETHER OF AN ALCOHOL OF THE GROUP CONSISTING OF ALCOHOLS AND ETHERS HAVING AT LEAST ONE PRIMARY ALCHOLIC HYDROXYL GROUP AND DEVOID OF REACTIVE GROUPS OTHER THAN ALCOHOLIC HYDROXYL GROUPS AND WHEREIN FROM 0.55 MOL TO 1 MOL OF NITROGEN COMPOUND IS USED PER HALOGEN ATOM OF THE HALOHYDRIN ETHER, ONE MOL OF NITROGEN COMPOUND PER HALOGEN ATOM BEING USED WITH HALOHYDRIN ETHERS HAVING MORE THAN TWO HALOGEN ATOMS AND FROM 0.55 TO 1 MOL OF NITROGEN COMPOUND BEING USED ONLY WITH MONO AND DI HALOHYDRIN ETHERS, AND BY NEUTRALIZING THE RESULTING HYDROHALIDE SALT TO FORM THE HALOHYDRIN ETHER-AMINE CONDENSATE.
References Cited (Backward Citations)
US2581464A
Cited
US2643239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |