Patent US3214370A successfully refreshed from Google Patents.
US3214370A
Expired / Lapsed
US
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Flocculation
Assignee: Union Carbide Corp
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Filing: 1963-11-29
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Granted: 1965-10-26
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick E Bailey
- 👤 Combe Edward M La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:39
CPC Classifications
C; C08; C08F; C08F28/00; C05; C05F; C05F7/00; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
THE METHOD FOR THE FLOCCULATION OF DISPERSED SOLID MATTER IN AN AQUEOUS ANIONIC SUSPENSION WHICH COMPRISES ADMIXING IN SAID SUSPENSION FROM ABOUT 0.01 TO ABOUT 10 PERCENT BY WEIGHT BASED UPON SAID DISPERSED SOLID MATTER OF A SOLID WATER SOLUBLE POLYMER OF AN ALPHA-ETHYLENICALLY UNSATURATED SULFINE OF THE FORMULA:
Claim 2
Independent Claim
49 words
THE METHOD FOR THE FLOCCULATION OF DISPERSED SOLID MATTER IN AN AQUEOUS ANIONIC SUSPENSION WHICH COMPRISES ADMIXING IN SAID SUSPENSION FROM ABOUT 0.01 TO ABOUT 10 PERCENT BY WEIGHT BASED UPON SAID DISPERSED SOLID MATTER OF A SOLID WATER SOLUBLE POLYMER OF AN ALPHA-ETHYLENICALLY UNSATURATED SULFINE OF THE FORMULA:
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |