Patent US4308126A successfully refreshed from Google Patents.
Patent US3351635A successfully refreshed from Google Patents.
US3351635A
Expired / Lapsed
US
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Epoxidation process
Assignee: Atlantic Richfield Co
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Filing: 1966-03-14
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Granted: 1967-11-07
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Kollar John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:24
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/19; C07D303/00; C07D303/02; C07D303/04; C07D303/38; C07D303/40; C07D303/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE METHOD OF PREPARING AN OXIRANE COMPOUND WHICH COMPRISES REACTING AN OLEFINICALLY UNSATURATED COMPOUND WITH AN ORGANIC HYDROPEROXIDE IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF MOLYBDENUM, TUNGSTEN, TITANIUM, COLUMBIUM, TANTALUM, RHENIUM, SELENIUM, CHROMIUM, ZIRCONIUM, TELLURIUM AND URANIUM.
Claim 2
Independent Claim
45 words
THE METHOD OF PREPARING AN OXIRANE COMPOUND WHICH COMPRISES REACTING AN OLEFINICALLY UNSATURATED COMPOUND WITH AN ORGANIC HYDROPEROXIDE IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF MOLYBDENUM, TUNGSTEN, TITANIUM, COLUMBIUM, TANTALUM, RHENIUM, SELENIUM, CHROMIUM, ZIRCONIUM, TELLURIUM AND URANIUM.
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |