US3767624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxazolidinone modified epoxy novolac resin
Assignee: Dow Chemical Co
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Filing: 1971-12-27
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Granted: 1973-10-23
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Expires: 1991-12-27
Abstract
Abstract NOVEL OXAZOLIDINONE-MODIFIED EPOXY NOVOLAC RESINS ARE DISCLOSED WHICH MAY BE EMPLOYED TO PREPARED ADHESIVES HAVING EXCELLENT PROPERTIES WHEN EXPOSED TO CONDITIONS OF HIGH HUMIDITY.
Inventors
- 👤 J Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:50
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/003; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/26; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |