← Back to Patent Explorer
US3158647A Expired / Lapsed US ⏱️ 0.0 years remaining

Quaternary ammonium fatty, phenate and naphthenate salts

Assignee: Gulf Research and Development Co
•
Filing: 1961-09-29
•
Granted: 1964-11-24
•
Expires: 1981-09-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag