US3250827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated organic phosphonate esters
Assignee: Ethyl Corp
•
Filing: 1962-08-31
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Granted: 1966-05-10
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Gene E Schroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5337; Y; Y10; Y10S; Y10S521/00; Y10S521/906; Y10S521/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
BIS (B-CHLOROISOPROPYL)-A'',B''-DIBROMO-A''-METHYL ETHYL PHOSPHONATE HAVING THE FORMULA:
Claim 2
Dependent Claim
7 words
BIS (B-CHLOROISOPROPYL)-A'',B''-DIBROMO-A''-METHYL ETHYL PHOSPHONATE HAVING THE FORMULA:
References Cited (Backward Citations)
US2979478A
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US3064030A
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US2993859A
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US3047606A
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US3046236A
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US3061571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |