US2769017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of i
Assignee: —
•
Filing: —
•
Granted: 1956-10-30
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Expires: 1973-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:58
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/04; C07D301/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE PRODUCTION OF 1,2-EPOXYCYLOOCTANE WHICH COMPRISES LEADING DURING FROM 2 TO ABOUT 48 HOURS AT TEMPERATURES FROM ABOUT 25* UP TO ABOUT 150* C. AND AT ORDINARY PRESSURE A STREAM OF ELEMENTARY OXYGEN INTO LIQUID CYCLOOCTENE, DISTILLING OFF THE UNREACTED CYCLOOCTENE AND ISOLATING THE 1,2-EPOXY-CYCLO-OCTANE BY FRACTIONAL DISTILLATION OF THE RESIDUE.
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE PRODUCTION OF 1,2-EPOXYCYLOOCTANE WHICH COMPRISES LEADING DURING FROM 2 TO ABOUT 48 HOURS AT TEMPERATURES FROM ABOUT 25* UP TO ABOUT 150* C. AND AT ORDINARY PRESSURE A STREAM OF ELEMENTARY OXYGEN INTO LIQUID CYCLOOCTENE, DISTILLING OFF THE UNREACTED CYCLOOCTENE AND ISOLATING THE 1,2-EPOXY-CYCLO-OCTANE BY FRACTIONAL DISTILLATION OF THE RESIDUE.
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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |