US3025236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flocculation of solids
Assignee: Phillips Petroleum Co
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Filing: 1959-04-10
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Granted: 1962-03-13
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Barett
- 👤 Charles A Sauber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:47
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/02; C09K8/04; C09K8/06; C09K8/08; C09K8/12; C09K8/14; C09K8/18; C09K8/22; C09K8/24; C09K8/26; C09K8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A METHOD OF TREATING A LIQUID SYSTEM COMPRISING SOLIDS COOLLOIDALLY SUSPENDED IN A FLUID MEDIUM COMPRISING WATER, COMPRISING ADDING THERETO A FLOCCULATING AGENT COMPRISIG (1) THE SODIUM SALT OF SULFONATED DODECYL DIPHENYL OXIDE, AND (2) ONE MEMBER OF THE GROUP CONSISTING OF GUAR FLOUR AND AN ACRYLAMIDE POLYMER, SAID FLOCCULATING AGENT BEING EMPLOYED IN A SMALL AMOUNT SUFFICIENT TO EFFECT FLOCCULATIN OF SAID SUSPENDED SOLIDS, WHEREIN THE RELATIVE WEIGHT RATIO OF ONE OF SAID GUAR FLOUR AND ACRYLAMIDE POLYMER TO SAID SODIUM SALT OF SULFONATED DODECYL DIPHENYL OXIDE IS IN THE RANGE BETWEEN ABOUT 0.25:1 TO 15:1, AND SEPARATING RESULTING FLUOCCULATED SOLIDS FROM SAID SYSTEM.
Claim 2
Independent Claim
105 words
A METHOD OF TREATING A LIQUID SYSTEM COMPRISING SOLIDS COOLLOIDALLY SUSPENDED IN A FLUID MEDIUM COMPRISING WATER, COMPRISING ADDING THERETO A FLOCCULATING AGENT COMPRISIG (1) THE SODIUM SALT OF SULFONATED DODECYL DIPHENYL OXIDE, AND (2) ONE MEMBER OF THE GROUP CONSISTING OF GUAR FLOUR AND AN ACRYLAMIDE POLYMER, SAID FLOCCULATING AGENT BEING EMPLOYED IN A SMALL AMOUNT SUFFICIENT TO EFFECT FLOCCULATIN OF SAID SUSPENDED SOLIDS, WHEREIN THE RELATIVE WEIGHT RATIO OF ONE OF SAID GUAR FLOUR AND ACRYLAMIDE POLYMER TO SAID SODIUM SALT OF SULFONATED DODECYL DIPHENYL OXIDE IS IN THE RANGE BETWEEN ABOUT 0.25:1 TO 15:1, AND SEPARATING RESULTING FLUOCCULATED SOLIDS FROM SAID SYSTEM.
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |