US3598730A
Expired / Lapsed
US
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Process of flocculating silica with a cationic xanthomonas gum ether
Assignee: General Mills Inc
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Filing: 1969-12-10
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Granted: 1971-08-10
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Expires: 1989-12-10
Abstract
Abstract A CATIONIC XANTHOMONAS MICROBIAL GUM PRODUCED BY THE REACTION OF A QUATERNARY AMMONIUM COMPOUND AND A XANTHOMONAS MICROBIAL GUM DERIVED FROM THE AEROBIC FERMENTATION OF THE BACTERIUM XANTHOMONAS. THE CATIONIC XANTHOMONAS MICROBIAL GUM CAN BE SUITABLY USED AS A FLOCCULANT.
Inventors
- 👤 Robert Nordgren
- 👤 Harold A Wittcoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:41
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5263; C08; C08B; C08B37/00; C08B37/0006; C08B37/0024; C08B37/0033
Claims Analysis
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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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |