US3211565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophobic organophilic particulate matter
Assignee: Georgia Kaolin Co
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Filing: 1961-11-15
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Granted: 1965-10-12
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Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Wayne M Bundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:15
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/08; C09C1/00; C09C1/40; C09C1/42; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2004/80; C01P2006/00; C01P2006/22; C01P2006/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE METHOD OF TREATING HYDROPHILIC PARTICULATE MATERIAL TO PROVIDE A HYDROPHOBIC ORGANOPHILIC PARTICULATE MATERIAL COMPRISING THE STEPS OF FORMING ANAQUEOUS SLURRY OF SAID PARTICULATE MATERIAL, ADDING TO SAID SLURRY ABOUT 0.25% TO 1% OF ETHYLENE DIAMINE, ADDING TO THE DIAMINE TREATED MATERIAL ABOUT 75% OF THE AMOUNT OF AN OLEIC ACID WHICH WILL PRIDUCE THE "OPTIMUM LEVEL OF VISCOSITY" IN MINERAL OIL, ADJUSTING THE PH TO ABOUT PH 3 TO PH 5 WITH ALUMINUM SULFATE, READJUSTING TO ABOUT PH 6.5 TO PH 7.5 WITH AMMONIUM HYDROXIDE, SEPARATING THE PARTICULATE MATERIAL FROM THE AQUEOUS PHASE AND DRYING SAID MATERIALS BETWEEN ABOUT 90* TO 120*C.
Claim 2
Independent Claim
103 words
THE METHOD OF TREATING HYDROPHILIC PARTICULATE MATERIAL TO PROVIDE A HYDROPHOBIC ORGANOPHILIC PARTICULATE MATERIAL COMPRISING THE STEPS OF FORMING ANAQUEOUS SLURRY OF SAID PARTICULATE MATERIAL, ADDING TO SAID SLURRY ABOUT 0.25% TO 1% OF ETHYLENE DIAMINE, ADDING TO THE DIAMINE TREATED MATERIAL ABOUT 75% OF THE AMOUNT OF AN OLEIC ACID WHICH WILL PRIDUCE THE "OPTIMUM LEVEL OF VISCOSITY" IN MINERAL OIL, ADJUSTING THE PH TO ABOUT PH 3 TO PH 5 WITH ALUMINUM SULFATE, READJUSTING TO ABOUT PH 6.5 TO PH 7.5 WITH AMMONIUM HYDROXIDE, SEPARATING THE PARTICULATE MATERIAL FROM THE AQUEOUS PHASE AND DRYING SAID MATERIALS BETWEEN ABOUT 90* TO 120*C.
References Cited (Backward Citations)
US2852406A
Cited
US2982665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |