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US2650935A
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Monoalkyl dinaphthyl phosphate esters
Assignee: Monsanto Chemicals Ltd
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Filing: 1949-04-21
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Granted: 1953-09-01
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Expires: 1969-04-21
Abstract
No abstract record available.
Inventors
- 👤 Harry R Gamrath
- 👤 William E Weesner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:38
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/523; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AS NEW CHEMICAL COMPOUNDS, THE MONOALKYL DINAPHTHYL PHOSPHATE ESTERS OF THE TYPE
Claim 2
Dependent Claim
12 words
AS NEW CHEMICAL COMPOUNDS, THE MONOALKYL DINAPHTHYL PHOSPHATE ESTERS OF THE TYPE
References Cited (Backward Citations)
US2143639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |