US2879276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxide formation
Assignee: General Electric Co
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Filing: 1956-05-31
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Granted: 1959-03-24
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Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Frank R Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:24
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
THE PROCESS OF PREPARING AN OLEFIN OXIDE WHICH COMPRISES EFFECTING REACTION AT A TEMPERATURE OF FROM 0 TO 120* C. BETWEEN (A) OXYGEN AT AN OXYGEN PARTIAL PRESSSURE OF FROM 0.1 TO 40 MM., AND (B) A COMPOUND IN THE LIQUID PHASE SELECTED FROM THE CLASS CONSISTING OF STYRENE AND A-METHYLSTYRENE.
Claim 2
Dependent Claim
51 words
THE PROCESS OF PREPARING AN OLEFIN OXIDE WHICH COMPRISES EFFECTING REACTION AT A TEMPERATURE OF FROM 0 TO 120* C. BETWEEN (A) OXYGEN AT AN OXYGEN PARTIAL PRESSSURE OF FROM 0.1 TO 40 MM., AND (B) A COMPOUND IN THE LIQUID PHASE SELECTED FROM THE CLASS CONSISTING OF STYRENE AND A-METHYLSTYRENE.
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) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |