US3810852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thixotropic aqueous dispersions of polymers and copolymers derived from ethylenically unsaturated monomers
Assignee: Magnesium Elektron Ltd
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Filing: 1973-03-29
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Granted: 1974-05-14
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Expires: 1993-03-29
Abstract
Abstract THIS INVENTION IS CONCERN WITH THIXOTROPIC, AQUEOUS DISPERSIONS OF POLYMERS AND COPOLYMERS, SUCH DISPERSION FIND MANY APPLICATIONS IN INDUSTRY AND THE PRESENT IN INVENTION IS PARTICULARY, BUT NOT EXCLUSIVELY, DIRECTED TO THE APPLICATION OF THE DISPERSIONS IN THE MANUFACTURE OF PAINT, FOR EXAMPLE, EMULSION PAINT. THE DISPERSIONS OF THE INVENTION CONTAIN A ZIRCONIUM CARBONATE COMPLEX WHICH IMPARTS TO THE DISPERSIVE PROPERTIES NOT OBTAINABLE WITH PREVIOUSLY USED ZIRCONIUM DERIVATIONS.
Inventors
- 👤 Alpine I Mc
- 👤 D Clough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:46
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/04
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) | 1977-05-13 | 1977-11-12 | 1978-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-13 | 1981-11-12 | 1982-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-13 | 1985-11-12 | 1986-05-14 | $7700.00 | Window Closed / Lapsed |