US3153098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis phenols
Assignee: Ethyl Corp
•
Filing: 1959-05-28
•
Granted: 1964-10-13
•
Expires: 1979-05-28
Abstract
No abstract record available.
Inventors
- 👤 James C Boag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:50
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/06; C07C37/07; C07C39/00; C07C39/12; C07C39/15; C07C46/00; C07C46/02; C07C46/06; C07C50/00; C07C50/08; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1835; C10M; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/047; C10M2227/00; C10M2227/08; C10M2227/082; C10N; C10N2040/00; C10N2040/02; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
4,4''-BIS(2,6-DI-(A-METHYLBENZYL)PHENOL).
Claim 2
Dependent Claim
1 words
4,4''-BIS(2,6-DI-(A-METHYLBENZYL)PHENOL).
References Cited (Backward Citations)
US2260739A
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US2368361A
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US2479948A
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US2668161A
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US2900417A
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US2947724A
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US2954345A
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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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |