US3014892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxy ethers of epoxy-substituted polyhydric phenols and cured products obtained therefrom
Assignee: Shell USA Inc
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Filing: 1958-07-21
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Granted: 1961-12-26
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Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Carl G Schwarzer
- 👤 Paul H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:33
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/063; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/28; C08G59/18; C08G59/20; C08G59/32; C08G59/3218
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
POLYETHERS OF (1) VIC-EPOXY ALCOHOLS OF THE GROUP CONSISTING OF ALIPHATIC AND CYCLOALIPHATIC MONOHYDRIC ALCOHOLS CONTAINING FROM 3 TO 18 CARBON ATOMS AND HAVING A SINGLE VIC-EPOXY GROUP, AND (2) POLYHYDRIC PHENOLS OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |