US2678329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dialkyl monoaryl esters of orthophosphoric acid
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-11-06
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Granted: 1954-05-11
•
Expires: 1970-11-06
Abstract
No abstract record available.
Inventors
- 👤 Harry R Gamrath
- 👤 Roger E Hatton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:36
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AS NEW CHEMICAL COMPOUNDS, DIALKYL MONOARYL PHOSPHATE ESTERS HAVING THE FORMULA:
Claim 2
Dependent Claim
11 words
AS NEW CHEMICAL COMPOUNDS, DIALKYL MONOARYL PHOSPHATE ESTERS HAVING 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) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |