US3701747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making a dispersion of polymer particles in an organic liquid
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-09-04
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Granted: 1972-10-31
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Expires: 1988-09-04
Abstract
Abstract PREFORMED POLYMER PARTICLES ARE DISPERSED IN ORGANIC LIQUIDS SUCH AS HYDROCARBONS BY USE OF A STABILISER COMPRISING ONE COMPONENT SOLVATABLE BY THE ORGANIC LIQUID AND ANOTHER COMPONENT WHICH IS RELATIVELY NON-SOLVATABLE AND IS, IN BULK, A PLASTIC SOLID OR VISCOUS LIQUID UNDER THE CONDITIONS OF THE DISPERSION, THIS OTHER COMPONENT SERVING TO ATTACH THE STABILISER TO THE DISPERSED POLYMER PARTICLES.
Inventors
- 👤 Desmond Wilfred John Osmond
- 👤 Frederick Andrew Waite
- 👤 Ian Wagstaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:50
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/04; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/11
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) | 1975-10-31 | 1976-05-01 | 1976-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-31 | 1980-05-01 | 1980-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-31 | 1984-05-01 | 1984-10-31 | $7700.00 | Window Closed / Lapsed |