Patent US3370038A successfully refreshed from Google Patents.
US3370038A
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Novel epoxide resins prepared from alpha, alpha', alpha-tris(hydroxyphenyl)-1, 3, 5-triisopropylbenzene and 1, 4-bis(p-hydroxycumyl) benzene
Assignee: Honeywell International Inc
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Filing: 1965-08-18
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Granted: 1968-02-20
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Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Barton
- 👤 Ralph M Hetterly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:33
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3218; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C08G59/22; C08G59/24; C08G59/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3301818A
Cited
US3309339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |