US3158647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium fatty, phenate and naphthenate salts
Assignee: Gulf Research and Development Co
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Filing: 1961-09-29
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Granted: 1964-11-24
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Earl E Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:51
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/26; C10L1/2633; C10L1/2658
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A QUATERNARY AMMONIUM SALT WHEREIN TWO FO THE COVALENT N-BONDS ARE ATTACHED TO ALIPHATIC HYDROCARBON SUBSTITUENTS CONTAINING 7 TO 30 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING 8 TO 22 CARBON ATOMS AND THE REMAINING COVALENT N-BONDS ARE ATTACHED TO OPEN-CHAIN SATURATED ALIPHATIC HYDROCARBON RADICALS CONTAINING 1 TO 4 CARBON ATOMS, AND WHEREIN THE IONIC N-BOND IS ATTACHED TO AN ANIONIC SALT-FORMING RADICAL DERIVED FROM A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) OIL-SOLUBLE ORGANIC MONOCARBOXYLIC ACIDS SELECTED FROM THE GROUP CONSISTING OF FATTY ACIDS AND NAPHTHENIC ACIDS AND (B) OIL-SOLUBLE MONO-, DI- AND TRI-SUBSTITUTED MONOHYDRIC PHENOLS WHOSE SUBSTITUENTS ARE OPEN-CHAIN ALIPHATIC HYDROCARBON RADICALS, SAID PHENOLS HAVING ATTACHED TO THE AROMATIC NUCLEAUS AT LEAST ONE HYDROCARBON SUBSTITUENT CONTAINING AT LEAST 4 CARBON ATOMS, AND HAVING NOT MORE THAN ONE SUBSTITUENT IN THE ORTHO POSITION THAT CONTAINS MORE THAN ONE CARBON ATOM.
Claim 2
Dependent Claim
142 words
A QUATERNARY AMMONIUM SALT WHEREIN TWO FO THE COVALENT N-BONDS ARE ATTACHED TO ALIPHATIC HYDROCARBON SUBSTITUENTS CONTAINING 7 TO 30 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING 8 TO 22 CARBON ATOMS AND THE REMAINING COVALENT N-BONDS ARE ATTACHED TO OPEN-CHAIN SATURATED ALIPHATIC HYDROCARBON RADICALS CONTAINING 1 TO 4 CARBON ATOMS, AND WHEREIN THE IONIC N-BOND IS ATTACHED TO AN ANIONIC SALT-FORMING RADICAL DERIVED FROM A MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) OIL-SOLUBLE ORGANIC MONOCARBOXYLIC ACIDS SELECTED FROM THE GROUP CONSISTING OF FATTY ACIDS AND NAPHTHENIC ACIDS AND (B) OIL-SOLUBLE MONO-, DI- AND TRI-SUBSTITUTED MONOHYDRIC PHENOLS WHOSE SUBSTITUENTS ARE OPEN-CHAIN ALIPHATIC HYDROCARBON RADICALS, SAID PHENOLS HAVING ATTACHED TO THE AROMATIC NUCLEAUS AT LEAST ONE HYDROCARBON SUBSTITUENT CONTAINING AT LEAST 4 CARBON ATOMS, AND HAVING NOT MORE THAN ONE SUBSTITUENT IN THE ORTHO POSITION THAT CONTAINS MORE THAN ONE CARBON ATOM.
References Cited (Backward Citations)
US2295505A
Cited
US2344886A
Cited
US2416309A
Cited
GB647258A
Cited
US2541816A
Cited
US2676955A
Cited
US2775617A
Cited
US2706195A
Cited
US2810720A
Cited
US2874185A
Cited
US2920630A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |