US2605272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for removing fines from vegetable oils and miscella containing said oils
Assignee: Sherwin Williams Co
•
Filing: 1948-12-08
•
Granted: 1952-07-29
•
Expires: 1968-12-08
Abstract
No abstract record available.
Inventors
- 👤 James V Hunn
- 👤 Michael W Pascal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:17
CPC Classifications
C; C11; C11B; C11B3/00; C11B3/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD FOR REMOVING FINES FROM AN OILY LIQUID OF THE GROUP CONSISTING OF VEGETABLE OILS AND SOLUTIONS OF SAID OILS IN ESSENTIALLY WATER IMMISCIBLE AIPHATIC SOLVENTS THEREFOR, AND CONTAINING A SUBSTANTIAL QUANTITY OF FINES WHICH COMPRISES INTIMATELY MIXING THEREWITH AN AQUEOUS SOLUTION OF AN ORGANIC HYDROPHILIC DISPERSION AGENT, THE PROPORTION OF SAID DISPERSION AGENT IN SAID AQUEOUS SOLUTION BEING SUFFICIENT TO LOWER THE SURFACE TENSION OF SAID AQUEOUS SOLUTION TO ENABLE WETTING OF THE FINES AND INSUFFICIENT TO CAUSE SAID AQUEOUS SOLUTION TO FORM A STABLE EMULSION WITH SAID OILY LIQUID, AND SUBSEQUENTLY SEPARATING THE OILY LIQUID SUBSTANTIALLY FREE OF FINES FROM THE AQUEOUS SOLUTION CONTAINING SUBSTANTIALLY ALL OF THE FINES.
Claim 2
Independent Claim
112 words
A METHOD FOR REMOVING FINES FROM AN OILY LIQUID OF THE GROUP CONSISTING OF VEGETABLE OILS AND SOLUTIONS OF SAID OILS IN ESSENTIALLY WATER IMMISCIBLE AIPHATIC SOLVENTS THEREFOR, AND CONTAINING A SUBSTANTIAL QUANTITY OF FINES WHICH COMPRISES INTIMATELY MIXING THEREWITH AN AQUEOUS SOLUTION OF AN ORGANIC HYDROPHILIC DISPERSION AGENT, THE PROPORTION OF SAID DISPERSION AGENT IN SAID AQUEOUS SOLUTION BEING SUFFICIENT TO LOWER THE SURFACE TENSION OF SAID AQUEOUS SOLUTION TO ENABLE WETTING OF THE FINES AND INSUFFICIENT TO CAUSE SAID AQUEOUS SOLUTION TO FORM A STABLE EMULSION WITH SAID OILY LIQUID, AND SUBSEQUENTLY SEPARATING THE OILY LIQUID SUBSTANTIALLY FREE OF FINES FROM THE AQUEOUS SOLUTION CONTAINING SUBSTANTIALLY ALL OF THE FINES.
References Cited (Backward Citations)
GB252370A
Cited
GB289801A
Cited
US2069187A
Cited
US2205971A
Cited
US2260731A
Cited
US2390528A
Cited
US2525702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |