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Class 44/425 - Additional nitrogen attached indirectly to the nitrogen by acyclic nonionic bonding


Subclass of Class 44 - Fuel and related compositions
Definition: Compositions wherein the nitrogen is attached indirectly
No. of patents: 45
Last issue date: 02/20/2007


1    
NumberTitleIssue Date
7179364Production of stable olefinic Fischer-Tropsch fuels with minimum hydrogen consumption
The present invention relates to a stable, low sulfur, olefinic distillate fuel blend component derived from a Fischer-Tropsch process and a process for producing this stable, low sulfur, olefinic distillate fuel blend component. The stable, low sulfur, olefinic dis...
02/20/2007
7112230Fuels compositions for direct injection gasoline engines
Injector deposits in a direct injection gasoline engine are reduced by providing as fuel for the operation of said direct injection engine a fuel composition comprising a fuel-soluble compound having the formula (I):
09/26/2006
6767374Fuel oil additives and compositions
Hydrogenated block copolymers are used as a component in a cold flow additive composition. ...
07/27/2004
6090170Multihydroxypolyalkenyl-substituted amine compounds and fuel composition comprising the same
The present invention relates to derivatives of polyalkenyl amine substituted with numerous hydroxy groups of the following formula (I) useful as a novel fuel detergent. ##STR1## wherein polyalkenyl denotes a branched alkyl derived from polyolefin wh...
07/18/2000
6080213Stabilized aqueous diazo solutions
A stabilized aqueous solution of a diazo compound has the formula: ##STR1## where X1 is selected from nitro and chloro, X2 is selected from nitro, chloro and hydrogen, and Y is an acid-derived anion. The solution has a pH of abo...
06/27/2000
5851242Fuel additive compositions containing polyalkylphenoxy-aminoalkanes and poly (oxyalkylene) amines
A fuel additive composition comprising: (a) a polyalkylphenoxyaminoalkane having the formula: ##STR1## or a fuel soluble salt thereof, wherein R is a polyalkyl group having an average molecular weight in the range of about 600 to 5,000; R1 and ...
12/22/1998
5833721Additive for hydrocarbon oils
An antifoam additive for hydrocarbon oils and in particular fuel oils comprises the combination of an antifoam agent and an ashless dispersant....
11/10/1998
5827333Substituted biphenyl ethers and fuel compositions containing the same
Substituted biphenyl polyalkyl ethers having the formula: ##STR1## wherein R1 is hydrogen or hydroxyl; R2 is hydroxyl, cyano, nitro, amino, aminomethyl, N-alkylamino or N-alkylaminomethyl wherein the alkyl group contains 1 to ab...
10/27/1998
5669939Polyalkylphenoxyaminoalkanes and fuel compositions containing the same
Polyalkylphenoxyaminoalkanes having the formula: ##STR1## wherein R is a polyalkyl group having an average molecular weight in the range of about 600 to 5,000; R1 and R2 are independently hydrogen or lower alkyl having 1 to 6 ca...
09/23/1997
5516443Compounds and fuel compositions
A novel compound comprises a chemical compound comprising or including a cyclic ring system such as an aromatic ring system, the compound carrying at least two substituents of the general formula (I) below on the ring system --A--NR1 R2
05/14/1996
5482523Mannich condensation products of poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions containing the same
Mannich condensation products prepared by the condensation of a compound of the formula: ##STR1## wherein R1 is hydrogen, hydroxy, lower alkyl or lower alkoxy; R3 and R4 are independently hydrogen or lower alkyl; R
01/09/1996
5306316Poly(alkylene ether) amines having a hydroxy(oxypropylene) connecting group
Poly(alkylene ether) amines having the formula: ##STR1## wherein A is an amine moiety having at least one basic nitrogen atom; R1 is a hydrocarbyl group having a sufficient number of carbon atoms to render the poly(vinyl ether) amine solub...
04/26/1994
5306315Poly(alkylene ether) amines and fuel compositions containing the same
Poly(alkylene ether) amines having the formula: ##STR1## wherein A is an amine moiety having at least one basic nitrogen atom; R1 is a hydrocarbyl group having a sufficient number of carbon atoms to render the poly(vinyl ether) amine solub...
04/26/1994
5167671Multifunctional additives to improve the low-temperature properties of distillate fuels and compositions containing same
The low-temperature properties of distillate fuels are improved when reaction products of pyromellitic dianhydride and amonoalcohols and/or amines with long chain hydrocarbyl groups are incorporated therein....
12/01/1992
5129917Poly(aminoalcohol) additives to improve the low-temperature properties of distillate fuels and compositions containing same
The reaction product of certain epoxy resins and secondary amines improve the low-temperature properties of distillate fuels....
07/14/1992
5047069Antioxidants for liquid hydrocarbons
An antioxidant for liquid hydrocarbons such as fuels has the structure ##STR1## wherein X is N or S; R is H or a C1 to C5 alkyl moiety; R1 and R2 are each independently C5 to C18 alkyl or c...
09/10/1991
5039310Polyether substituted mannich bases as fuel and lubricant ashless dispersants
Reaction products in which polyethers are grown from substituted phenol-containing mannich bases have been found to be effective ashless dispersants and detergents for fuels and lubricants....
08/13/1991
4944770Motor fuel additive and ori-inhibited motor fuel composition
A motor fuel composition which inhibits engine ORI and resists engine deposit formation comprises a mixture of hydrocarbons boiling in the range of 90° F.-450° F. and the reaction product of an alkyl-substituted phenol, an aldehyde, and a polyoxyalkylen...
07/31/1990
4787996Mannich base oil additives
Mannich bases, prepared using a phenol substituted with a medium length branched alkyl chain, the alkyl being derived from a 1-olefin oligomer. These Mannich bases act as friction-reducing agents in lubricant and liquid fuel compositions....
11/29/1988
4778481Diesel fuel and method for deposit control in compression ignition engines
A diesel fuel composition and method for improving the operation and efficiency of a compression ignition or diesel engine is disclosed comprising operating the engine using a fuel comprising a major amount of hydrocarbon fuel boiling in the diesel range ...
10/18/1988
4769043Oil containing dispersant VII olefin copolymer
A VII olefin copolymer, prepared by grafting allyl amine onto EPM or EPT, permits attainment of improved dispersancy and viscosity index in oils....
09/06/1988
4678479Diesel fuel composition
Diesel fuel composition comprising a hydrocarbonaceous diesel fuel having a cetane number in the range from 25 to 60, a polyolefin and a polyamine wherein at least one hydrocarbon chain has at least 25 carbon atoms and is bound directly to a nitrogen atom...
07/07/1987
4526587Deposit control additives-methylol polyether amino ethanes
Additives for internal combustion engines are provided which in fuels maintain cleanliness of intake system without contributing to combustion chamber deposits. The additives are hydrocarbyl methylol poly(oxyalkylene) amino ethanes comprising a hydrocarby...
07/02/1985
4417904N,N'-Dialkyl-N,N'-diphenyl alkylene diamine derivatives as antiknock agents
The antiknock properties of fuel compositions are improved by adding thereto one or more compounds of the general formula ##STR1## wherein R is a hydrocarbon group, R1, and R2 are hydrogen or hydrocarbon groups and RI...
11/29/1983
4392866Etheramine corrosion inhibitor for alcohols
Alcohols may be inhibited against corrosion by addition thereto of an ether amine ##STR1## typically C12 H25 OCH2 CH2 CH2 NHCH2 CH2 CH2 NH2....
07/12/1983
4332595Ether amine detergent and motor fuel composition containing same
A detergent additive represented by the formula: in which R is a hydrocarbyl radical having from 8 to 18 carbon atoms and y is about 2 to 6, and a gasoline motor fuel composition containing same....
06/01/1982
4322220Multipurpose hydrocarbon fuel and lubricating oil additive
Substituted phenol/epichlorohydrin/amine adducts as multipurpose, low concentration additives for hydrocarbon fuels, lubricating oils and mixtures thereof....
03/30/1982
4261704Polyoxyalkylene polyamine detergent compositions
Polyoxyalkylene polyamines are prepared by first reacting a polyoxyalkylene polyol or a polyoxyalkylene glycol monoether with a halogen-containing compound. The resulting halogenated ether is then aminated by the reaction therewith of a mono- or polyamine...
04/14/1981
4259086Multipurpose hydrocarbon fuel and lubricating oil additive
Substituted phenol/epichlorohydrin/amine adducts as multipurpose, low concentration additives for hydrocarbon fuels, lubricating oils and mixtures thereof....
03/31/1981
4242212Mannich additives modified by ditertiary alkyl phenol
Mannich additives formed from a 2,4- or 2,6-ditertiary alkyl "hindered" phenol, a polyamine, a formaldehyde-yielding reagent and at least one substantially hydrocarbon compound with at least one active or acidic hydrogen selected from the group consisting...
12/30/1980
4209302Marker for petroleum fuels
New markers for petroleum fuels; a method of marking said fuels with a marker and of subsequently detecting the presence of said marker; and marked fuels are provided. The markers include the following compounds: ##STR1## 1-(4-morpholino)-3-(alpha na...
06/24/1980
4202784Tertiary carbinamine modified mannich compositions and lubricants containing same
Mannich additives formed from a tertiary carbinamine, a substantially hydrocarbon compound having at least one acidic or active hydrogen, a polyamine and a formaldehyde-yielding reagent....
05/13/1980
4197091Metal chelate/anti-oxidant combinations with dimer-trimer acids, pipeline corrosion inhibitors
A composition for inhibiting the corrosion of ferrous metal pipelines used to transport petroleum hydrocarbons comprising a major portion of a mixture of C36 dicarboxylic dimer acid and a C54 trimer acid, which mixture has an acid nu...
04/08/1980
4163646Fuel oils containing N,N-substituted diamines
This invention relates to the hydrogenation of tetrahydropyrimidines to yield linear N-substituted diamines which can be reacted with carbonyls to form imines, which imines can be reduced to N,N'-substituted diamines as illustrated by N,N'-substituted 2,4...
08/07/1979
4147641Multipurpose hydrocarbon fuel and lubricating oil additive mixture
A mixture of (1) a substituted phenol/epichlorohydrin/amine adduct and (2) a polycarboxylic acid ester as a multipurpose, low concentration additive for hydrocarbon fuels, lubricating oils and mixtures thereof....
04/03/1979
4134846Multipurpose hydrocarbon fuel and lubricating oil additive mixture
A mixture of (1) a substituted phenol/epichlorohydrin/amine adduct and (2) a polyalkylene phenol as a multipurpose, low concentration additive for hydrocarbon fuels, lubricating oils and mixtures thereof....
01/16/1979
4121911Mannich bases containing tertiary amines
Mannich condensation products useful in gasoline as carburetor detergents; the condensation compositions having the formula ##STR1## wherein Z is an alkyl - and hydroxy - substituted benzyl group wherein the alkyl has 20 to 1000 carbon atoms, n is 2 ...
10/24/1978
4082518Additives for motor fuels and lubricants
Improved additives for motor fuels and lubricants are provided comprising low molecular weight hydrogenated liquid polymers containing low levels of combined nitrogen. More specifically, hydrogenated adducts formed from normally liquid low molecular weigh...
04/04/1978
4054422Mannich bases containing tertiary amines and fuel compositions containing said mannich bases
Mannich condensation products useful in gasoline as carburetor detergents; the condensation compositions having the formula ##STR1## wherein Z is an alkyl - and hydroxy - substituted benzyl group wherein the alkyl has 20 to 1000 carbon atoms, n is 2 ...
10/18/1977
4048081Multipurpose fuel additive
A new multipurpose carburetor detergent for addition to gasoline is disclosed and claimed. The novel multipurpose detergent material shows excellent activity as a carburetor detergent, induction system detergent (% deposit reduction), combustion chamber d...
09/13/1977
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