US2964528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing substituted dialkyl nitrolalkyl phosphates and thiophosphates
Assignee: Eastman Kodak Co
•
Filing: 1958-07-23
•
Granted: 1960-12-13
•
Expires: 1978-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Wicker
- 👤 Marvin A Mccall
- 👤 Richard L Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:19
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6553; C07F9/655345; C07F9/06; C07F9/16; C07F9/165; C07F9/1651; C07F9/1653; C07F9/553; C07F9/576; C07F9/58; C07F9/655; C07F9/65515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
THE METHOD FOR PREPARING PHOSPHORUS-CONTAINING COMPOUNDS WHICH COMPRISES REACTING AN ORGANOPHOSPHORUS COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 2
Independent Claim
16 words
THE METHOD FOR PREPARING PHOSPHORUS-CONTAINING COMPOUNDS WHICH COMPRISES REACTING AN ORGANOPHOSPHORUS COMPOUND HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
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US2706194A
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US2789124A
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US2724719A
Cited
US2889330A
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US2862019A
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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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |