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US3523907A
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Method for encapsulating water and compounds in aqueous phase by extraction
Assignee: Gevaert Photo Producten NV
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Filing: 1968-04-25
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Granted: 1970-08-11
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Expires: 1988-04-25
Abstract
No abstract record available.
Inventors
- 👤 Marcel Nicolas Vrancken
- 👤 Daniel Alois Claeys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:38
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/44; B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/08; B01J13/12; B01J2/00; C; C01; C01G; C01G49/00; C01G49/02; C01G49/06; G; G03; G03C; G03C1/00; G03C1/002; G03C5/00; G03C5/26; G03C5/261; G03C8/00; G03C8/42; G03C8/50; G03F; G03F7/00; G03F7/002; G03G; G03G9/00; G03G9/08; G03G9/093; G03G9/09307; G03G9/09314; G03G9/09321; G03G9/09392; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/706; G11B5/70626; G11B5/70642; G11B5/70647; G11B5/70652; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2985; Y10T428/2987; Y10T428/2989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |