Polymer solution preparation system
Abstract
Abstract A POLYMER SOLUTION PREPARATION SYSTEM FOR PROPORTIONALLY ADDING A POLYMER-CONTAINING EMULSION TO WATER CONTAINING A SURFACTANT TO INVERT THE EMULSION AND RELEASE THE POLYMERS INTO THE WATER AS A SOLUTION INCLUDING A MIXING TANK AND A HOLDING TANK TOGETHER WITH PUMPS FOR PUMPING PREDETERMINED AMOUNTS OF POLYMER-CONTAINING EMULSION AND SURFACTANT INTO THE MIXING TANK AND MIXING SAME WITH A PREDETERMINED QUANTITY OF WATER TO PRODUCE THE POLYMER SOLUTION THAT IS THEN TRANSFERRED TO THE HOLDING TANK. INSTRUMENTATION IS PROVIDED FOR AUTOMATICALLY BATCHING THE POLYMER SOLUTION IN THE MIXING TANK AND TRANSFERRING THE SOLUTION TO THE HOLDING TANK SO THAT A SOLUTION SUPPLY IS MAINTAINED IN THE HOLDING TANK FOR FEEDING A LIQUID SYSTEM. D R A W I N G
Inventors
- 👤 G Reid
- 👤 E Sortwell
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1977-04-29 | 1977-10-29 | 1978-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-29 | 1981-10-29 | 1982-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-29 | 1985-10-29 | 1986-04-30 | $7700.00 | Window Closed / Lapsed |