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US3873276A Expired / Lapsed US ⏱️ 0.0 years remaining

Organic compounds for use as additives for motor-fuels

Assignee: IFP Energies nouvelles
•
Filing: 1973-08-30
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Granted: 1975-03-25
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Expires: 1993-08-30
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Abstract

Abstract WHEREIN THE DIVALENT HYDROCARBON RING IS O-PHENYLENE, 1,2DIHYDRO O-PHENYLENE, 1,2,3,6-TETRAHYDRO O-PHENYLENE, 3,6ANDOMETHYLENE-1,2,3,6-TETRAHYDRO O-PHENYLENE, 3,6ENDODIMETHYLENE-1,2,3,6-TETRAHYDRO O-PHENYLENE, CYCLOHEXYLENE1,2,3,6-ENDOMETHYLENE-CYCLOHEXYLENE-1,2, SUBSTITUTED, OR NOT, WITH 1-4 MONOVALENT ALIPHATIC HYDROCARBON RADICALS HAVING, AS A WHOLE, 1-30 CARBON ATOMS, N IS AN INTEGER FROM 2 TO 10 INCLUSIVE, M AN INTEGER FROM 1 TO 10 INCLUSIVE AND R is a monovalent aliphatic hydrocarbon radical having 1-30 carbon atoms. New organic compounds useful as additives for motor-fuels are of the formula

Inventors

  • 👤 Bernard Haemmerle
  • 👤 Bernard Sillion
  • 👤 Gaudemaris Gabriel De

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 22:38
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; C07D209/56; C07D209/58; C07D209/72; C07D209/76; C10L1/22; C10L1/222; C10L1/224; C10L1/26; C10L1/2633; C10L1/2658

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 32 words
A FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF GASOLINE AND, AS AN ADDITIVE, A SMALL AMOUNT OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 32 words
A FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF GASOLINE AND, AS AN ADDITIVE, A SMALL AMOUNT OF AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim 26 words
A fuel composition as defined by claim 1, wherein said member represents from 10 to 250 parts per million of parts by weight of said gasoline.
Claim 4
Dependent Claim 15 words
A fuel composition as defined by claim 1, wherein said member is said neutralization product.
Claim 5
Dependent Claim 27 words
A fuel composition as defined by claim 3, wherein said neutralization product represents, by weight, from 10 to 250 parts per million of parts of the gasoline.
Claim 6
Dependent Claim 21 words
A fuel composition as defined by claim 3, wherein said acid compound is a mixture of mono- and di-octyl phosphoric acids.
Claim 7
Dependent Claim 38 words
A fuel composition as defined by claim 1, further comprising a small amount of at least one mineral oil, said small amount being effective with said at least one member to impart cleaning properties to the fuel composition.
Claim 8
Dependent Claim 16 words
A fuel composition as defined by claim 6, wherein said mineral oil is a naphthenic oil.
Claim 9
Dependent Claim 27 words
A fuel composition as defined by claim 6, wherein said mineral oil represents, by weight, from 50 to 2,000 parts per million of parts of the gasoline.
Claim 10
Dependent Claim 35 words
A fuel composition as defined by claim 1, wherein in the formula of said compound R is an alkyl or alkenyl radical having 12-20 carbon atoms and integer m is from 1 to 5 inclusive.
Claim 11
Dependent Claim 22 words
A fuel composition as defined by claim 9, wherein in the formula of said compound R is dodecyl-1, octadecyl-1, 9-octadecenyl-1 or eicosyl-1.
Claim 12
Dependent Claim 18 words
A fuel composition as defined by claim 1, wherein in the formula of said compound n is 3.
Claim 13
Dependent Claim 20 words
A fuel composition as defined by claim 1, wherein in the formula of said compound the hydrocarbon ring is unsubstituted.
Claim 14
Dependent Claim 31 words
A fuel composition as defined by claim 1, wherein in the formula of said compound the hydrocarbon ring is substituted with 1-4 alkyl or alkenyl radicals having each 1-12 carbon atoms.
Claim 15
Dependent Claim 31 words
A fuel composition as defined by claim 13, wherein in the formula of said compound the hydrocarbon ring is substituted with at least one methyl, ethyl, propyl, butenyl or dodecyl group.
Claim 16
Dependent Claim 13 words
A fuel composition as defined by claim 1, wherein said compound is N(3-oleyl-amino-propyl)tetrahydro-o-phthalimide.
Claim 17
Dependent Claim 14 words
A fuel composition as defined by claim 1, wherein said compound is N(3-oleylamino propyl)phthalimide.
Claim 18
Dependent Claim 14 words
A fuel composition as defined by claim 1, wherein said compound is N-(3-stearyl amino-propyl)phthalimide.
Claim 19
Dependent Claim 26 words
A fuel composition as defined by claim 8, wherein said member represents from 10 to 250 parts per million of parts by weight of said gasoline.

References Cited (Backward Citations)

US2863904A Cited
US2982634A Cited
US3795495A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-03-24 1978-09-23 1979-03-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-03-24 1982-09-23 1983-03-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-03-24 1986-09-23 1987-03-25 $7700.00 Window Closed / Lapsed

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