Abstract: 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: ##STR1## wherein W.sup.1 is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl, to form a first adduct containing unreacted --C(W.sup.1)--Y groups; (b) reacting the first adduct with a polyamine (e.g., a polyalkylene polyamine) to form a second adduct containing unreacted --NH-- group (preferably primary amine groups) and comprising a branched amido-amine oligomer; and (c) reacting the second adduct with a long chain hydrocarbyl substituted mono- or dicarboxylic acid material comprising a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.

Abstract: A composition of matter useful as an oleaginous composition dispersant additive comprising the reaction product of:(1) at least one nitrogen or ester containing adduct selected from the group consisting of (i) oil soluble salts, amides, imides, oxazolines, esters, or mixtures thereof of long chain hydrocarbyl substituted mono and dicarboxylic acids or their anhydrides, (ii) long chain hydrocarbyl having a polyamine attached directly thereto, and (iii) Mannich condensation product formed by condensing long chain hydrocarbyl substituted hydroxy aromatic compound with an aldehyde and polyamine, said adduct containing at least one reactive group selected from reactive amino groups and reactive hydroxyl groups; and(2) at least one polyanhydride.Also disclosed are oleaginous compositions, particularly lubricating oil compositions, containing said reaction product.

Abstract: Additives which improve the low-temperature properties of distillate fuels are the oligomeric/polymeric reaction products of anhydrides and one or more of the following long-chain diols: aminodiols, diaminodiols, amidodiols, with optional termonomers.

Abstract: Additives which improve the low-temperature properties of distillate fuels are oligomeric/polymeric reaction products consisting of cross-linked anhydride and cross-linked epoxide (or their corresponding acid/diol equivalents), with optional termonomers.

Abstract: Additives which improve the low-temperature properties of distillate fuels are oligomeric/polymeric reaction products of anhydrides and long-chain epoxides (or their corresponding acid/diol equivalents) consisting of hydroxyl promoted polyesters and ester promoted polyesters.

Abstract: The reaction products of (1) anhydrides and/or poly-acids and (2) aminoalcohols or aminoalcohols/amides with long chain hydrocarbyl groups attached improve the low-temperature properties of distillate fuel when added thereto.

Abstract: Additives which improve the low-temperature properties of distillate fuels are the oligomeric/polymeric reaction products of one or more bicyclic or alkyl anhydrides or their diacid equivalents and one or more long-chain epoxides or their corresponding acid/diol equivalents, with optional termonomers.

Abstract: The present invention describes additives for fuels for use in diesel engines. The additive comprises(A) an alkylene oxide condensate or the reaction product thereof and an alcohol, and(B) a monocarboxylic fatty acid, and(C) a reaction product of a hydrocarbyl substituted amine and formaldehyde, and(D) a hydrocarbyl amine, or the reaction product thereof and an alhylene oxide.

Abstract: The use of products of the reaction of alkenyl-spirobislactones of the formula ##STR1## in which R is in each case C.sub.8 -C.sub.200 -alkenyl, with amines of the formulaNR.sup.1 R.sup.2 R.sup.3in which R.sup.1, R.sup.2 and R.sup.3 may be identical or different and at least one of these groups R.sup.1, R.sup.2 or R.sup.3 is C.sub.8 -C.sub.36 -alkyl, C.sub.8 -C.sub.36 -alkenyl or cyclohexyl and the other groups are hydrogen or a group of the formula --(A--O).sub.x H or --(CH.sub.2).sub.n --NYZ, A is --C.sub.2 H.sub.4 -- and/or --C.sub.3 H.sub.6 --, x is a number from 1 to 20, n is 2 or 3 and Y and Z may be identical or different and are hydrogen or a group of the formula (--A--O).sub.x H, as paraffin-dispersants in middle distillates and crude oil.

Abstract: This invention is directed to phosphorus and/or nitrogen-containing derivative compositions of sulfur containing compounds which are suitable particularly for use as additives for lubricants, fuels and functional fluids. The lubricants, fuels, and/or functional fluids containing the derivatives of this invention exhibit improved anti-wear, extreme pressure and antioxidant properties.

Abstract: Reaction products which provide antioxidant properties to lubricants and fuels while serving as effective dispersants and detergents in these mediums. These products, of the reaction of a hydroxyalkylene substituted polyamines and substituted succinic anhydrides, contain mixtures of esters, amides and imides. Furthermore, preferred embodiments of the reaction products have pendent alcohol groups which provide extra dispersancy and detergency over traditional dispersants which typically do not have alcohol groups.

Abstract: Ester-type ashless dispersants containing additional integral sulfur-ester moieties which have been found to possess enhanced thermal and oxidative stability are claimed.

Abstract: The reaction products of benzophenone tetracarboxylic dianhydride and aminoalcohols and/or amines with long chain hydrocarbyl groups attached improve the low-temperature properties of distillate fuels when added thereto in minor amounts.

Abstract: Motor fuel compositions comprising gasoline are improved to control octane requirement increase (ORI) by including an ester of an N-acyl sarcosinate acid or salt and a polyether polyol including oxyalkylene units selected from oxypropylene and/or oxybutylene.

Abstract: Disclosed are polymers of average molecular weight ranging from 400 to 20,000 comprising thiosubstituted groups per molecule and resulting from the reaction, in the presence of an addition catalyst, of at least one compound with a thiol function, having 1 to 60 carbon atoms per molecule, with an unsaturated polyester resulting from the condensation of an aliphatic epoxide with an unsaturated aliphatic dicarboxylic compound comprising at least one ethylenic unsaturation in the alpha position of one of the carboxyl groups. Also disclosed are middle distillate compositions having a distillation range from 150.degree. to 450.degree. C. and comprising a minor proportion, preferably from 0.001 to 2% by weight, of at least one of the polymers defined hereinabove.

Abstract: Coal-water slurries containing a rheological additive are provided. Rheological additives employed for preparation of the coal-water slurries are amide products obtained by reaction of a polycarboxylic acid with a polyether diamine and, optionally, other amines or hydroxylic compounds. Salts of the amides may also be advantageously employed as dispersants. The additives are employed in an amount from about 0.1 to about 4 percent by weight to provide stable aqueous slurries containing from 60 to 80 percent by weight coal solids.

Abstract: Products of reaction between 1-alkyl-N,N-dialkyl ethanolamines and copolymers of maleic anhydride are new additives which are effective in lowering the cloud point of distillate fuels.

Abstract: Disclosed is a composition resulting, in a first stage, from the reaction of at least one alkenyl or polyalkenylsuccinic acid or anhydride on at least one 1-(2-hydroxyethyl)-imidazoline substituted in the 2-position by a linear or branched alkyl or alkenyl radical, with 1 to 25 atoms of carbon in an imidazoline to succinic derivative molar ratio of 0.1:1 to 0.9:1 with the removal of at least 0.15 mole of water per mole of imidazoline, and then, in a second stage, from the reaction of the product obtained in the first stage on at least one polyamine in an amount representing at least 0.1 mole per mole of the succinic derivative utilized in the first stage.Also disclosed are methods for the utilization of these compositions as multifunction additives in engine fuels having as a base hydrocarbons or a mixture of hydrocarbons and at least one oxygen compound selected from the group constituted by alcohols and ethers.

Abstract: 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 (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl.

Abstract: Cloud point, pour point and filterability of diesel and heating fuels are improved by the incorporation of minor amounts of an additive prepared from the reaction products of a long chain oligomeric alkylsuccinic anhydride, a higher alkyl linear saturated alcohol and a tertiary amino substituted polyol.

Abstract: Additive reaction products of (1) hydrocarbyl diols, and (2) the product of benzophenone tetracarboxylic dianhydride and hydrocarbyl aminoalcohols and/or amines improve the low-temperature properties of distillate fuels when added thereto.

Abstract: Formulations of additives for engine fuels comprising at least one constituent (A) and one constituent (B) resulting from the reaction of at least one alkenyl or polyalkenyl-succinic derivative with at least one polyamine to form constituent (A) and with at least one 1-(2-hydroethyl) imidazoline substituted in the 2-position by a linear or branched alkyl or alkenyl radical with 1 to 25 atoms of carbon to form constituent (B). The preferred formulations also contain a constituent (C) consisting of at least one polyglycol soluble in said fuel, with an average molecular mass ranging from 480 to 2,100. The (A)/(B) and (A)+(B)/(C) molar ratios preferably are respectively 0.2/1 to 5/1 and 0.05/1 and 20/1.