US3734862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel polychloro-1,3-dioxolanes
Assignee: Wyeth Holdings LLC
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Filing: 1971-01-27
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Granted: 1973-05-22
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Expires: 1991-01-27
Abstract
Abstract NOVEL POLYHALO-1,3-DIOXOLANES HAVING FROM 2 TO 5 HALO SUBSTITUENTS. THESE COMPOUNDS ARE USEFUL IN A COMPOSITION FOR PRODUCING CHEMILUMINESCENT LIGHT, AND AS BIOCIDES.
Inventors
- 👤 D Maulding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/32; C07D317/42; C09; C09K; C09K11/00; C09K11/06; C09K11/07
Claims Analysis
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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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |