Patent US3728280A successfully refreshed from Google Patents.
US3728280A
Expired / Lapsed
US
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Process and a device for the continuous preparation of emulsions
Assignee: Agfa Gevaert AG
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Filing: 1971-02-16
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Granted: 1973-04-17
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Expires: 1991-02-16
Abstract
Abstract FIG-01 EMULSIONS, SUCH AS SUSPENSIONS CONTAINING SILVER HALIDE, ARE PREPARED WHEREIN THE BASIC COMPONENT AND THE RESULTING DEPOSIT ARE CONDUCTED IN RISING CURRENT. FURTHER COMPONENTS ARE DELIVERED INTO THE BASIC COMPONENT ARE SEQUENTIALLY ARRANGED INLET PONTS AND ARE DISPERSED BY MEANS OF THE CROSS-CURRENT WITH THE RADIALLY DIRECTED OR PULASTING CROSS-CURRENT BEING OVERLAPPED WITH OSCILLATIONS DIRECTED IN AN AXIAL DIRECTION TO THE TUBULAR BODY IN WHICH THE CURRENT FLOWS.
Inventors
- 👤 T Sauer
- 👤 G Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:19
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/313; B01F25/40; B01F25/42; B01F25/43; B01F25/433; G; G03; G03C; G03C1/00; G03C1/005; G03C1/015; G03C2200/00; G03C2200/09; Y; Y10; Y10S; Y10S516/00; Y10S516/924
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |