US3705859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of abating foam formation in aqueous systems
Assignee: Hercules LLC
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Filing: 1970-12-30
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Granted: 1972-12-12
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Expires: 1990-12-30
Abstract
Abstract FOAM FORMATION IN AQUEOUS SYSTEMS IN ABATED BY ADDING THERETO A FOAM ABATING AMOUNT OF A STABLE DISPERSION COMPRISED OF FINELY DIVIDED PARTICLES OF A NORMALLY SOLID HYDROPHOBIC SYNTHETIC POLYMER AS THE DISPERSED PHASE AND A LIQUID ORGANIC NON-SOLVENT DILUENT AS THE CONTINUOUS PHASE.
Inventors
- 👤 Francis J Boylan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:09
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404
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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |