US2981702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable epoxy phenol aldehydealiphatic polyepoxide compositions
Assignee: Beazer East Inc
•
Filing: 1958-01-13
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Granted: 1961-04-25
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Expires: 1978-01-13
Abstract
No abstract record available.
Inventors
- 👤 Clair William E St
- 👤 Roy H Moult
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:20
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08G59/18; C08G59/20; C08G59/32; C08G59/38; C08G59/40; C08G59/50; C08L; C08L63/00; C08L63/04; G; G21; G21C; G21C17/00; G21C17/10; G21C7/00; G21C7/36; H; H02; H02M; H02M7/00; H02M7/42; H02M7/54; H02P; H02P25/00; H02P25/02; H02P25/022; H02P25/024; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S260/00; Y10S260/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A COMPOSITION THAT IS CURABLE AT ROOM TEMPERATURE TO A HARD INFUSIBLE STATE COMPRISING A FUSIBLE EPOXY ALKOXY PHENOL ALDEHYDE RESIN CONTAINING AT LEAST 3 PHENOLIC GROUPS PER MOLECULE AND HAVING A MOLAR RATIO OF EPOXY GROUPS TO PHENOLIC GROUPS OF AT MOST ONE, AN ALIPHATIC POLYEPOXIDE, AND A SOLID AROMATIC POLYAMINE IN AN AMOUNT SUFFICIENT TO YIELD 0.8 TO 1.4 EQUIVALENTS OF AMINO HYDROGEN PER EQUIVALENT OF EPOXY GROUPS IN SAID FUSIBLE EPOXY ALKOXY PHENOL ALDEHYDE RESIN AND SAID ALIPHATIC POLYEPOXIDE.
Claim 2
Dependent Claim
82 words
A COMPOSITION THAT IS CURABLE AT ROOM TEMPERATURE TO A HARD INFUSIBLE STATE COMPRISING A FUSIBLE EPOXY ALKOXY PHENOL ALDEHYDE RESIN CONTAINING AT LEAST 3 PHENOLIC GROUPS PER MOLECULE AND HAVING A MOLAR RATIO OF EPOXY GROUPS TO PHENOLIC GROUPS OF AT MOST ONE, AN ALIPHATIC POLYEPOXIDE, AND A SOLID AROMATIC POLYAMINE IN AN AMOUNT SUFFICIENT TO YIELD 0.8 TO 1.4 EQUIVALENTS OF AMINO HYDROGEN PER EQUIVALENT OF EPOXY GROUPS IN SAID FUSIBLE EPOXY ALKOXY PHENOL ALDEHYDE RESIN AND SAID ALIPHATIC POLYEPOXIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |