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Class 44/348 - Substituent on the ring nitrogen contains an acyclic -C(=X)- group, wherein X is chalcogen


Subclass of Class 44 - Fuel and related compositions
Definition: Compositions in which acyclic -C(=X)-, wherein
No. of patents: 42
Last issue date: 09/04/2007


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NumberTitleIssue Date
7264706Cathodic electrocoating compositions containing an anti-crater agent
An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;...
09/04/2007
7264705Cathodic electrocoating compositions containing an anti-crater agent
An improved aqueous cathodic electrocoating composition that contains an anti-crater agent which is a water-reducible polyester resin having an acid value less than 40 mg KOH/g. The water-reducible polyester is the reaction product of (1) a hydroxy cyclic carbonate;...
09/04/2007
7175678Fuel composition
The present invention provides a polymeric a fuel composition comprising (i) a fuel; and (ii) a polymeric compound; wherein the polymeric compound comprises at least one monomer unit of Formula I wherein R1 ...
02/13/2007
6867171Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents
This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to about 32 carbon atoms, and wherein at least about 50% of the olefini...
03/15/2005
6821307Oil composition
An improved fuel oil composition comprises fuel oil and specific acylated polyalkylene polyamine. ...
11/23/2004
6733550Fuel oil composition
The invention provides a fuel oil composition comprising a major proportion of liquid hydrocarbon middle distillate fuel oil having a sulphur concentration of at most 0.05% by weight, and a minor proportion of a dispersant additive obtained by reacting, in a molar r...
05/11/2004
6548458Succinimide-acid compounds and derivatives thereof
Succinimide-acid compounds prepared by reaction of hydrocarbyl-substituted succinic acylating agents with alpha-omega amino acids are disclosed, as well as derivatives thereof useful as lubricity additives, lubricant dispersants, friction modifiers, liqui...
04/15/2003
6458172Fuel additive compositions and fuel compositions containing detergents and fluidizers
The present invention is directed to fuel additive compositions of detergents combined with fluidizers and to hydrocarbon fuel compositions containing these fuel additive compositions. The fuel additive compositions of the present invention combine a Mannich ...
10/01/2002
6083287Detergent and anti-corrosive additive for fuels and fuel composition
The invention concerns a detergent and anti-corrosive additive for engine fuels, in particular gas oil, containing amide or imide functions characterised in that it is obtained by mixing wt. 60 to 90% of a compound A consisting of at least one carboxylic ...
07/04/2000
5993497Esters of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same
Esters of polyalkyl or polyalkenyl N hydroxyalkyl succinimides having the formula: ##STR1## or a fuel soluble salt thereof; wherein R is a polyalkyl or polyalkenyl group having an average molecular weight in the range of about 450 to about 5,000...
11/30/1999
5954843Aminocarbamates of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same
Aminocarbamates of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides having the formula: ##STR1## or a fuel soluble salt thereof; wherein R is a polyalkyl or polyalkenyl group having an average molecular weight in the range of about 450 to ab...
09/21/1999
5620486Fuel compositions containing aryl succinimides
A fuel composition comprising a major amount of hydrocarbons boiling in the gasoline or diesel range and an effective detergent amount of a compound of the formula: ##STR1## wherein R is a hydrocarbyl group having an average molecular weight of ...
04/15/1997
5601624Fuel composition with reaction product of oxygenated amine, dicarbonyl linking agent, and hydrocarbyl(ene) amine
Oxygenated alkyl amines synthesized using carbonyl coupling reactions have combustion chamber deposit reducing properties and oxidative stability characteristics beneficial for dispersant/detergent applications in fuels and lubricants....
02/11/1997
5476521Branched amido-amine dispersant additives (PT-739)
The present invention is directed to a fuel additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from about 1 to 4) mono- or dicarboxylic acid producing moieties ...
12/19/1995
5468262Thermal stability additives for jet fuels
A liquid jet fuel composition comprising: (a) a major portion of a liquid fuel; and (b) a minor effective portion of a thermal stabilizing additive prepared by (i) reacting a polyamine, an aldehyde and a phenol containing active hydrogen to form a phenol - aldehyde...
11/21/1995
5425788Additive compositions for fuels comprising nitrogen-containing products incorporating two imide rings and fuels containing them
An additive composition for fuels comprising at least one constituent (A) and at least one constituent (B), the said constituent (A) comprising at least one multinitrogen-containing compound of general formula (I): ##STR1## where R1 and R
06/20/1995
5308364Fuel compositions containing improved branched amido-amine dispersant additives
The present invention is directed to fuel compositions containing branched amido-amine additives formed by (a) reacting a first nitrogen-containing compound (e.g., ammonia or an organic amine) with an alpha, beta-unsaturated compound of the formula: ...
05/03/1994
5266081Multifunctional ashless dispersants
A fuel additive is the reaction product of an intermediate reaction product of a hydrocarbon-substituted succinic anhydride and an aminosalicylic acid, preferably a 4-aminosalicylic acid. The intermediate is reacted with an aldehyde, preferably formaldehy...
11/30/1993
5234476Polynitrogen compound having two terminal cycles of the imide type, their preparations and uses
Polynitrogen compound having two terminal cycles of the imide type, its preparation by conventional organic chemistry methods and its use as an additive for engine fuel. This compound complies with the general formula (I): ##STR1## in which R
08/10/1993
5122161Diesel fuel comprising a glycolated Mannich coupled bis-succinimide detergent
A diesel fuel composition comprising: (a) a major portion of a diesel fuel, and (b) a minor amount, as a diesel fuel injector detergent, of a glycolated Mannich coupled product of bis-polyisobutylene succinimide of a polyamine, prepared by: (i) reacting an alk...
06/16/1992
5114435Polyalkylene succinimide deposit control additives and fuel compositions containing same
Deposits on intake valves in gasoline internal combustion engines are reduced by an additive for fuel compositions comprising a mixture of (1) a polyalkylene succinimide, (2) a polyalkylene and (3) a mineral oil. The invention also comprises a fuel compos...
05/19/1992
5039307Diesel fuel detergent additive
A diesel fuel composition comprising: (a) a major portion of a diesel fuel, and (b) a minor amount, as a diesel fuel injector detergent additive, of a Mannich coupled product of bis-polyisobutylene succinimide of an amine, prepared by: (i) reacting an alkenyl ...
08/13/1991
5030249Gasoline detergent additive
A gasoline composition comprising: (a) a major portion of a gasoline fuel, and (b) a minor amount, as a gasoline detergent additive, of a Mannich coupled product of bis-polyisobutylene succinimide of an amine, prepared by: (i) reacting an alkenyl succinimide acid a...
07/09/1991
5024678Process for the prevention or reduction of deposits in carburetors, injection devices and similar devices of engines
Process for the prevention of reduction of deposits in carburetors, injection devices or similar devices of engines, which are operated with alcohol fuels comprising 99.9 to 75 Vol.-% methanol, ethanol or a mixture thereof and at least one corrosion inhib...
06/18/1991
4971598Reaction products of alkenyl succinimides with ethylenediamine carboxy acids as fuel detergents
An additive for fuel compositions. The additive comprises the reaction product of an alkenyl succinimide selected from the group consisting of mono-succinimides, bis-succinimides, and mixtures thereof, with iminodiacetic acid or an ethylenediamine carboxy...
11/20/1990
4948386Middle distillate containing storage stability additive
Additives formed by reaction of polyacids such as 1,3,6-hexane tricarboxylic acid and polyisobutenyl succinimide of a polyamine are effective in improving the storage stability of middle distillate fuels....
08/14/1990
4906252Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in fuel oil compositions
This invention is to a fuel oil composition containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general following: ##STR1## wherein the variables are defined herein. The adduct additives are especially useful in concentrat...
03/06/1990
4904278Modified succinimides
Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides which contain carbamate functionalities....
02/27/1990
4798612Modified succinimides (x)
Disclosed are additives which are useful as dispersants in marine crankcase oils, hydraulic oils, and lubricating oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides wherein one or more of the nitrogen of the polyamino moiety is sub...
01/17/1989
4747850Modified succinimides in fuel composition
Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are multiply adducted alkenyl or alkyl succinimides which contain carbamate functionalities....
05/31/1988
4710201Modified succinimides (IX)
Disclosed are additives which are useful as dispersants in marine crankcase oils, hydraulic oils, and lubricating oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides modified by reaction with a compound of the formula: ##STR1##...
12/01/1987
4668246Modified succinimides (IV)
Disclosed are polyamino alkenyl or alkyl succinimides which have been modified by treatment with a lactone to yield polyamino alkenyl or alkyl succinimides wherein one or more of the basic nitrogens of the polyamino moiety is substituted with a hydrocarby...
05/26/1987
4666460Modified succinimides (III)
Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides which have been modified by treatment with a compound of the formul...
05/19/1987
4666459Modified succinimides (VII)
Disclosed are polyaminoalkenyl or alkyl succinimides which have been modified by treatment with a compound of the formula: ##STR1## wherein W is oxygen or sulfur; X is oxygen or sulfur; R4 is an alkylene group of from 2 to 3 carbon atoms o...
05/19/1987
4648886Modified succinimides (V)
Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils and fuels. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides wherein one or more of the amino nitrogens of the succini...
03/10/1987
4645515Modified succinimides (II)
Disclosed are polyamino alkenyl or alkyl succinimides which have been modified by treatment with a lactone to yield polyamino alkenyl or alkyl succinimides wherein one or more of the basic nitrogens of the polyamino moiety is substituted with a hydroxyalk...
02/24/1987
4614522Fuel compositions containing modified succinimides (VI)
Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils and fuels. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides wherein one or more of the amino nitrogens of the succini...
09/30/1986
4609378Modified succinimides (VIII)
Disclosed are polyaminoalkenyl or alkyl succinimides which have been modified by treatment with a compound of the formula: ##STR1## R4 is an alkylene group of from 2 to 3 carbon atoms or an alkylene group of from 2 to 3 carbon atoms substi...
09/02/1986
4533361Middle distillate containing storage stability additive
A middle distillate such as diesel fuel of improved storage stability contains an acylated condensate of an alkenyl succinic acid anhydride and a Mannich condensate....
08/06/1985
4501597Detergent fuel composition containing alkenylsuccinimide oxamides
The detergent properties of a motor fuel are improved by incorporating therein a minor amount of a succinimide oxamide prepared by reacting a polyalkyleneamine succinimide with an amount of oxalic acid sufficient to react with at least 30 percent of the r...
02/26/1985
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