US2668174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monopropyl dixylyl phosphate and process
Assignee: Celanese Corp
•
Filing: 1952-01-16
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Granted: 1954-02-02
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Expires: 1972-01-16
Abstract
No abstract record available.
Inventors
- 👤 William B Horback
- 👤 Berardinelli Frank
- 👤 Walter D Paist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:24
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
MONOPROPYL DIXYLYL PHOSPHATE.
Claim 2
Dependent Claim
3 words
MONOPROPYL DIXYLYL PHOSPHATE.
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) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |