Patent US2911431A successfully refreshed from Google Patents.
US2911431A
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US
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Dimethyl-(methylphenyl)-phosphates
Assignee: Ethyl Corp
•
Filing: 1958-02-28
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Granted: 1959-11-03
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Expires: 1978-02-28
Abstract
No abstract record available.
Inventors
- 👤 Harold D Orloff
- 👤 Francis X Markley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:15
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2641; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
DIMETHYL-(MONOPHENYL)-PHOSPHATES HAVING THE FORMULA
Claim 2
Dependent Claim
4 words
DIMETHYL-(MONOPHENYL)-PHOSPHATES HAVING THE FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2759962A
Cited
US2678329A
Cited
US2739978A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |