US3054803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-alkenyl-5-lower alkyl-5-hydroxy-methyl-meta dioxanes
Assignee: Celanese Corp
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Filing: 1959-06-23
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Granted: 1962-09-18
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Expires: 1979-06-23
Abstract
No abstract record available.
Inventors
- 👤 Max O Robeson
- 👤 James H George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:55
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/04; C07D319/06; C08; C08F; C08F24/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |