US3458536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process for preparing epoxidized organic compounds which involves more than one reaction zone
Assignee: Argus Chemical Corp
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Filing: 1966-02-03
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Granted: 1969-07-29
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Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 William E Setzler Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:13
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/14; C07D303/00; C07D303/02; C07D303/04; C07D303/38; C07D303/40; C07D303/42; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |