US3186969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vicinal epoxide adducts of phenol-aromatic amine-formaldhyde condensation products
Assignee: Union Carbide Corp
•
Filing: 1961-10-09
•
Granted: 1965-06-01
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Cox
- 👤 William H Cook
- 👤 Hostettler Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:03
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/54; C08G18/546; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/621; C08G59/623; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A POLYOL WHICH COMPRISES THE VICINAL EPOXIDE ADDUCT OF THE UNCATALYZED, TERNARY, PERMANENTLY FUSIBLE, CONDENSATION PRODUCT OF (A) A PHENOL WHICH HAS AT LEAST ONE UNSUBSTITUTED REACTIVE POSITION ON THE AROMATIC NUCLEUS, (B) AN AROMATIC AMINE WHICH HAS THE FORMULA ARNH2 WHEREIN AR REPRESENTS AN ARYL RADICAL WHICH HAS AT LEAST ONE UNSUBSTITUTED REACTIVE POSITION ON THE AROMATIC NUCLEUS, AND (C) FORMALDEHYDE, WHEREIN SAID VICINAL EPOXIDE IS SELECTED FROM THE GROUP CONSISTING OF THE ALKYLENE OXIDES, THE ARYL GLYCIDLY ETHERS, THE ARYL-SUBSTITUTED ALKYLENE OXIDES, THE CYCLOALKYLENE OXIDES, AND THE HALOGEN-SUBSTITUTED ALKYLENE OXIDES.
Claim 2
Dependent Claim
92 words
A POLYOL WHICH COMPRISES THE VICINAL EPOXIDE ADDUCT OF THE UNCATALYZED, TERNARY, PERMANENTLY FUSIBLE, CONDENSATION PRODUCT OF (A) A PHENOL WHICH HAS AT LEAST ONE UNSUBSTITUTED REACTIVE POSITION ON THE AROMATIC NUCLEUS, (B) AN AROMATIC AMINE WHICH HAS THE FORMULA ARNH2 WHEREIN AR REPRESENTS AN ARYL RADICAL WHICH HAS AT LEAST ONE UNSUBSTITUTED REACTIVE POSITION ON THE AROMATIC NUCLEUS, AND (C) FORMALDEHYDE, WHEREIN SAID VICINAL EPOXIDE IS SELECTED FROM THE GROUP CONSISTING OF THE ALKYLENE OXIDES, THE ARYL GLYCIDLY ETHERS, THE ARYL-SUBSTITUTED ALKYLENE OXIDES, THE CYCLOALKYLENE OXIDES, AND THE HALOGEN-SUBSTITUTED ALKYLENE OXIDES.
References Cited (Backward Citations)
US2897179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |