Patent US2895984A successfully refreshed from Google Patents.
US2895984A
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Organophosphorus compounds derived from phosphorothiolothionates and epoxides
Assignee: Eastman Kodak Co
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Filing: 1957-08-12
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Granted: 1959-07-21
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Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Marvin A Mccall
- 👤 Richard L Mccounell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:12
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/177
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
AS A COMPOSITION OF MATTER, ORGANOPHOSPHOROUS COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
10 words
AS A COMPOSITION OF MATTER, ORGANOPHOSPHOROUS COMPOUNDS HAVING THE FORMULA:
Claim 3
Independent Claim
30 words
THE METHOD FOR PRODUCING NEW ORANOPHOSPHOROUS COMPOUNDS WHICH COMPRISES REACTING A DIALKUL PHOSPHOROTHIOLOTHIONATE, WHEREIN THE ALKYL RADICALS CONTAIN FROM 1 TO 4 CARBON ATOMS, WITH AN EPOXIDE HAVING THE FORMULA:
Claim 4
Independent Claim
30 words
THE METHOD FOR PRODUCING NEW ORANOPHOSPHOROUS COMPOUNDS WHICH COMPRISES REACTING A DIALKUL PHOSPHOROTHIOLOTHIONATE, WHEREIN THE ALKYL RADICALS CONTAIN FROM 1 TO 4 CARBON ATOMS, WITH AN EPOXIDE HAVING THE FORMULA:
References Cited (Backward Citations)
US2783202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |