Patent US2948685A successfully refreshed from Google Patents.
US2948685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bore cleaning compositions
Assignee: Gulf Oil Corp
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Filing: 1954-06-04
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Granted: 1960-08-09
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Expires: 1974-06-04
Abstract
No abstract record available.
Inventors
- 👤 Earl E Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:02
CPC Classifications
C; C11; C11D; C11D1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
A BORE CLEANING COMPOSITION COMPRISING A MINERAL OIL AND INCORPORATED THEREIN FROM ABOUT 1 TO ABOUT 15 PERCENT BY WEIGHT OF WATER, AND A SUFFICIENT AMOUNT TO PROVIDE A HOMOGENEOUS, BRIGHT SOLUTION OF A COMBINATION OF FROM ABOUT 0.25 TO ABOUT 2.5 PERCENT BY WEIGHT OF AN ALKANOLAMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY, SECONDARY AND TERTIARY ALKANOLAMINES WHOSE ALKANOL SUBSTITUENTS CONTAIN FROM I TO 3 CARBON ATOMS, 0.75 TO ABOUT 10.0 PERCENT BY WEIGHT OF A FATTY ACID CONTAINING FROM 12 TO 24 CARBON ATOMS, THE FATTY ACID: ALKANOLAMINE MOL RATIO BEING IN EXCESS OF 1:1, FROM ABOUT 0.1 TO ABOUT 1.0 PERCENT BY WEIGHT OF AN AMINE SALT OF A PRIMARY ALIPHATIC AMINE CONTAINING FROM 8 TO 18 CARBON ATOMS AND A DIALKYL ORTHOPHOSPHORIC ACID, THE ALKYL SUBSTITUENTS OF WHICH CONTAINS FROM 3 TO 10 CARBON ATOMS, FROM ABOUT 1 TO ABOUT 5 PERCENT BY WEIGHT OF AN ALKALI METAL SALT OF AN OIL-SOLUBLE SULFONIC ACID, AND FROM ABOUT 2 TO ABOUT 15 PERCENT BY WEIGHT OF A COUPLING AGENT SELECTED FROM THE GROUP CONSISTING OF BUTANOL, 2-BUTOXYETHANOL AND DIETHYLENE GLYCOL MONOBUTYL ETHER, AND AN AMOUNT OF ETHYLENE GLYCOL SUFFICIENT TO RENDER THE COMPOSITION STABLE AT -20*F. FOR 24 HOURS, SAID AMOUNT BEING FROM ABOUT 1 TO ABOUT 10 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
215 words
A BORE CLEANING COMPOSITION COMPRISING A MINERAL OIL AND INCORPORATED THEREIN FROM ABOUT 1 TO ABOUT 15 PERCENT BY WEIGHT OF WATER, AND A SUFFICIENT AMOUNT TO PROVIDE A HOMOGENEOUS, BRIGHT SOLUTION OF A COMBINATION OF FROM ABOUT 0.25 TO ABOUT 2.5 PERCENT BY WEIGHT OF AN ALKANOLAMINE SELECTED FROM THE GROUP CONSISTING OF PRIMARY, SECONDARY AND TERTIARY ALKANOLAMINES WHOSE ALKANOL SUBSTITUENTS CONTAIN FROM I TO 3 CARBON ATOMS, 0.75 TO ABOUT 10.0 PERCENT BY WEIGHT OF A FATTY ACID CONTAINING FROM 12 TO 24 CARBON ATOMS, THE FATTY ACID: ALKANOLAMINE MOL RATIO BEING IN EXCESS OF 1:1, FROM ABOUT 0.1 TO ABOUT 1.0 PERCENT BY WEIGHT OF AN AMINE SALT OF A PRIMARY ALIPHATIC AMINE CONTAINING FROM 8 TO 18 CARBON ATOMS AND A DIALKYL ORTHOPHOSPHORIC ACID, THE ALKYL SUBSTITUENTS OF WHICH CONTAINS FROM 3 TO 10 CARBON ATOMS, FROM ABOUT 1 TO ABOUT 5 PERCENT BY WEIGHT OF AN ALKALI METAL SALT OF AN OIL-SOLUBLE SULFONIC ACID, AND FROM ABOUT 2 TO ABOUT 15 PERCENT BY WEIGHT OF A COUPLING AGENT SELECTED FROM THE GROUP CONSISTING OF BUTANOL, 2-BUTOXYETHANOL AND DIETHYLENE GLYCOL MONOBUTYL ETHER, AND AN AMOUNT OF ETHYLENE GLYCOL SUFFICIENT TO RENDER THE COMPOSITION STABLE AT -20*F. FOR 24 HOURS, SAID AMOUNT BEING FROM ABOUT 1 TO ABOUT 10 PERCENT BY WEIGHT.
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) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |