US3442802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of aqueous organic dispersions
Assignee: Dow Chemical Co
•
Filing: 1967-01-25
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Granted: 1969-05-06
•
Expires: 1987-01-25
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hamilton
- 👤 James L Teal
- 👤 James A Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:24
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/725; C02F11/00; C02F11/06; C02F11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE10990C
Cited
GB191128353A
Cited
US2029958A
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DE809897C
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US2956860A
Cited
US3133016A
Cited
US3349031A
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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) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |