US3154574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis (p-1, 1, 3, 3-tetramethylbutylphenyl)-2, 4-dihydroxyisophthalate
Assignee: Dow Chemical Co
•
Filing: 1958-03-13
•
Granted: 1964-10-27
•
Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 David A Gordon
- 👤 Charles W Hinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:54
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/134; C08K5/1345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1984283A
Cited
US2464250A
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US2464172A
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US2584160A
Cited
US2594350A
Cited
US2666039A
Cited
US2952661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |