Patent US3155704A successfully refreshed from Google Patents.
US3155704A
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O, o-dialkyl 3, 5-dialkyl 4-hydroxyphenylalkyl phosphonates and process for preparing same
Assignee: Ethyl Corp
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Filing: 1960-09-01
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Granted: 1964-11-03
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Gordon G Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:22
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0071; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4056; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C09K15/322; C10; C10L; C10L1/00; C10L1/10; C10L1/103; C10L1/14; C10L1/26; C10L1/2608; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/027; C10M2207/028; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/284; C10M2207/285; C10M2207/287; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2223/06; C10M2223/065; C10M2227/00; C10M2227/08; C10M2227/082; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/02; C10N2040/06; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA:
Claim 3
Dependent Claim
17 words
THE PROCESS FOR PREPARING THE COMPOUNDS OF CLAIM 1 WHICH COMPRISES REACTING A COMPOUND 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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |