Patent US2793228A successfully refreshed from Google Patents.
US2793228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozonolysis of furfural
Assignee: General Electric Co
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Filing: 1953-03-27
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Granted: 1957-05-21
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Expires: 1973-03-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank P Florentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:06
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
THE METHOD OF PREPARING OXYGENATED ORGANIC DERIVATIVES OF FURFURAL WHICH COMPRISES REACTING, AT A TEMPERATURE BELOW 50*C., LIQUID FURFURAL WITH A GASEOUS MIXTURE SELECTED FROM THE GROUP CONSISTING OF (A) OZONIZED OXYGEN AND (B) OZONIZED AIR AND RECOVERING OXYGENATED ORGANIC COMPOUNDS PRODUCED THEREBY.
Claim 2
Independent Claim
43 words
THE METHOD OF PREPARING OXYGENATED ORGANIC DERIVATIVES OF FURFURAL WHICH COMPRISES REACTING, AT A TEMPERATURE BELOW 50*C., LIQUID FURFURAL WITH A GASEOUS MIXTURE SELECTED FROM THE GROUP CONSISTING OF (A) OZONIZED OXYGEN AND (B) OZONIZED AIR AND RECOVERING OXYGENATED ORGANIC COMPOUNDS PRODUCED THEREBY.
References Cited (Backward Citations)
US1995614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |