US3415901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxyoxazolidinones
Assignee: Avantor Performance Materials LLC
•
Filing: 1967-09-20
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Granted: 1968-12-10
•
Expires: 1987-09-20
Abstract
No abstract record available.
Inventors
- 👤 Charles H Schramm
- 👤 Claude J Schmidle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:19
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/04; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3802; C08G18/3804; C08G18/3806; C08G18/40; C08G18/48; C08G18/50; C08G18/5003; C08G18/5006; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C08G59/18; C08G59/20; C08G59/22; C08G59/26; C08G59/28; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4028; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/35; Y; Y10; Y10S; Y10S525/00; Y10S525/909
Claims Analysis
Total Claims: 0
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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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |