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US3476598A
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Sucrose based surfactants as aids in sugar refining and sugar crystallization processes
Assignee: VARNEY CHEM CORP
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Filing: 1966-05-10
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Granted: 1969-11-04
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Expires: 1986-05-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Sanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:33
CPC Classifications
C; C13; C13B; C13B30/00; C13B30/02; C13B30/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2908681A
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US2871148A
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US2974134A
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US2927919A
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US3018281A
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US3061478A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |