US3350422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic epoxidation of an olefinically unsaturated compound using an organic hydroperoxide as an epoxidizing agent
Assignee: Halcon International Inc
•
Filing: 1966-02-01
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Granted: 1967-10-31
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Kollar John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:51
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/19; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
THE METHOD OF PREPARING AN OXIRANE COMPUND WHICH COMPRISES REACTING AN OLEFINICALLY UNSATURATED COMPOUND HAVING 3 TO 4 CARBON ATOMS WITH AN ORGANIC HYDROPEROXIDE IN THE PRESENCE OF A SOLUBLE VANADIUM COMPOUND CATALYST.
Claim 2
Independent Claim
33 words
THE METHOD OF PREPARING AN OXIRANE COMPUND WHICH COMPRISES REACTING AN OLEFINICALLY UNSATURATED COMPOUND HAVING 3 TO 4 CARBON ATOMS WITH AN ORGANIC HYDROPEROXIDE IN THE PRESENCE OF A SOLUBLE VANADIUM COMPOUND CATALYST.
References Cited (Backward Citations)
US3013024A
Cited
US3062841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |