US3419515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anhydrous polymer dispersions and process of preparing said dispersions
Assignee: Rohm and Haas Co
•
Filing: 1965-03-17
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Granted: 1968-12-31
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Expires: 1985-03-17
Abstract
No abstract record available.
Inventors
- 👤 Claude J Schmidle
- 👤 George L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:20
CPC Classifications
C; C08; C08F; C08F289/00; C08F2/00; C08F2/04; C08F2/06; C08F2/08; C08F20/00; C08F20/62; C08F265/00; C08F265/04; Y; Y10; Y10S; Y10S524/00; Y10S524/923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2526349A
Cited
US2617780A
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US2799669A
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US2928797A
Cited
US2953541A
Cited
US3072492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |