US3459828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resins containing a polyglycidyl ether and the reaction product of an hydroxy terminated monoglycidyl ether with a diisocyanate
Assignee: Avantor Performance Materials LLC
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Filing: 1967-03-13
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Granted: 1969-08-05
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Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 Francis W Michelotti
- 👤 Morris Zief
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:09
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/2805; C08G18/2815; C08G18/2845; C08G59/00; C08G59/18; C08G59/182; C08G59/20; C08G59/22; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2581464A
Cited
US3239580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |