Patent US3654201A successfully refreshed from Google Patents.
US3654201A
Expired / Lapsed
US
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Polymeric dispersions stabilized by vinyl oxazoline polymers
Assignee: BASF Corp
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Filing: 1970-01-19
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Granted: 1972-04-04
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Expires: 1990-01-19
Abstract
Abstract NOVEL SYNTHETIC POLYNERIC DISPERSIONS COMPRISING AN ORGANIC LIQUID MEDIUM, A DISPERSED POLYMER OF ETHYLENICALLY UNSATURATED MONOMERS AND A POLYMERIC STABLIZER OF MONOMERS OF THE GENERAL FORMULA: 2-(R-C(=CH2)-),4,4-BIS(R-CH2-COO-CH2-)-2-OXAZOLINE ARE PREPARED. IN THIS DISPERSION THE STABILIZER IS AT LEAST SWOLLEN BY THE ORGANIC LIQUID MEDIUM WHILE THE DISPERSED POLYMER IS SUBSTANTIALLY INSOLUBLE IN THIS MEDIUM. THESE DISPERSIONS ARE USEFUL ESPECIALLY IN THEIR PIGMENTED FORM IN PREPARING PROTECTIVE COATINGS FOR VARIOUS SUBSTRATA.
Inventors
- 👤 Said K Mansour
- 👤 John W Rehfuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:52
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/04; C08F2/06; C08F2/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-04 | 1975-10-04 | 1976-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-04 | 1979-10-04 | 1980-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-04 | 1983-10-04 | 1984-04-04 | $7700.00 | Window Closed / Lapsed |