Abstract: The invention relates to a composition containing a particulate solid, an organic or aqueous medium, and a copolymer containing less than 25 mol % of residues of monomers comprising a dicarboxylic acid, or anhydride thereof. The invention further relates to novel copolymers, and the use of the copolymers as a dispersant.

Abstract: The present invention provides a dispersant of formula (1): T-V-(A)n, -U-Z-W, Formula (1) wherein, T is a polymerization terminating group; V is a direct bond or divalent linking group; A is the residue of one or more different hydroxy carboxylic acids or lactones thereof, U is a direct bond or a divalent linkage; Z is the residue of a polyamine or polyimine; W is the residue of an oxide or urea; m is from 2 to 2000; and x is from 1 up to the maximum number of available amino and/or imino groups in Z which do not carry the group T-V-(A)n, -U-.

Abstract: The invention relates to a composition containing a particulate solid, an organic or aqueous medium, and a compound with a head group derived from phosphoric acid or sulphuric acid. The invention further relates to novel compounds, and the use of the compound as a dispersant.

Abstract: The invention relates to a composition containing a particulate solid, a plastic material and a compound. The invention further relates to novel compounds, and the use of the coupling agents.

Abstract: The present invention relates to dispersants containing at least two lipophilic groups (e.g., alkenyl-substituted acylating agent, such as, dodecyl succinic anhydride), and the dispersants contain a hydrophilic component (e.g., alkylene glycol, polyalkylene glycol) present in an amount sufficient to at least partially disperse the amphiphilic compound in aqueous media (e.g., 30 wt % to 80 wt %). The invention further provides for dispersants as phosphate, sulphonate, and phosphite derivatives thereof. The invention further provides for the use of the dispersants in tinter compositions (e.g., universal tinter) and reduced shade paints.

Abstract: The invention relates to a graft copolymer with a polyester side chain and at least one quaternised tertiary amine group. The tertiary amine may be aliphatic, aromatic or heterocyclic. The invention further relates to the use of the compound as a dispersant, particularly for pigments.

Abstract: The invention relates to novel compounds containing a carboxylic acid head group. The invention further provides compositions containing the novel compounds, a particulate solid and an organic medium or water.

Abstract: A composition comprising a particulate Solid, an organic medium and a compound with an alkyleneoxy compound with an inorganic acidic polar head group (Z), wherein the compound is defined by Formula (1) and salts thereof: U—(Y)x-T-N(G)r(B—Z)q (Formula 1) wherein U is independently R?—N—(C)-T?-O—, or R—O—; R or R? may be the same or different and are independently H or C1-50-optionally substituted hydrocarbyl, or hydrocarbonyl group (acyl group), or the residue of an epoxide, or the residue of an optionally substituted (meth) acrylic ester or amide group; Y is C2-4-alkyleneoxy; T or T? is independently C2-4 alkylene; B is an alkylene group, such as, methylene; Z is an inorganic acidic polar head group, such as, a sulphur or phosphorus acidic polar head group; G and G? may be the same or different and are independently H or C1-50-optionally substituted hydrocarbyl or C1-50-optionally substituted hydrocarbyl or hydrocarbonyl group or the residue of an epoxide, or the residue of an optionally substituted (meth) ac

Abstract: The present invention provides a dispersant of Formula (1): E-O—(Y)x-T-NR?-A-Z—W0-v, and salts thereof, wherein E is R or R—NR?-T-; R is H or C1-50-optionally substituted hydrocarbyl; R? is a residue of an optionally substituted alkyl (meth)acrylate or (meth)acrylamide, or a residue of an epoxide, or a C1-8-optionally substituted hydrocarbyl group; Y is C2-4-alkyleneoxy; T is C2-4 alkylene; A is the residue of a dibasic acid or anhydride thereof; Z is the residue of a polyamine and/or polyimine; W is the residue of an oxide, urea or dibasic acid or anhydride thereof; x is from 2 to 90; and v represents an integer variable. The invention further provides a composition comprising a particulate solid, an organic medium and/or water and the dispersant.

Abstract: The invention relates to novel compounds containing a carboxylic acid head group. The invention further provides compositions containing the novel compounds, a particulate solid and an organic medium or water.

Abstract: The present invention provides a dispersant and compositions thereof. The dispersant is a residue of a non-aromatic hydrocarbyl substituted carboxylic acid containing three or more acid groups (A), wherein the dispersant may be represented by the Formula and salts thereof: [U—(Y)x-T-N(R1)c-A]d-Z(Q1)j-Wc, wherein the variables are defined herein.

Abstract: The present invention provides a composition containing a particulate solid, an organic medium and/or water and a compound of Formula (1) and salts thereof Formula 1 wherein R is H or C1-30-optionally substituted hydrocarbyl; or R may be R?C?O (an acyl group where R? is hydrogen, alkyl, aryl or an optionally substituted alkyl or aryl); U is oxygen, —NH or —NR??; R?? is a C1-30-optionally substituted hydrocarbyl Y is C2-4-alkyleneoxy; T is the residue of substituted acetic acid or propionic acid; Z is the residue of a polyamine and/or polyimine; W is the residue of an oxide, urea or dibasic acid or anhydride thereof, or mixtures thereof; x is from 2 to 90; and v represents the maximum available number of amino and/or imino groups in Z which does not carry the group R—U—(Y)x-T-.

Abstract: The present invention relates to novel dispersants containing at least two lipophilic groups, and the dispersants contain a hydrophilic component present in an amount sufficient to at least partially disperse the amphiphilic compound in aqueous media. The invention further provides for the use of the novel dispersants in various applications.

Abstract: The invention relates to a graft copolymer with a polyester side chain and at least one quaternised tertiary amine group. The tertiary amine may be aliphatic, aromatic or heterocyclic. The invention further relates to the use of the compound as a dispersant, particularly for pigments.

Abstract: The invention relates to a composition containing a particulate solid, an organic or aqueous medium, and a copolymer containing less than 25 mol % of residues of monomers comprising a dicarboxylic acid, or anhydride thereof. The invention further relates to novel copolymers, and the use of the copolymers as a dispersant.

Abstract: The invention relates to a composition containing a particulate solid, an organic or aqueous medium, and a compound with a head group derived from phosphoric acid or sulphuric acid. The invention further relates to novel compounds, and the use of the compound as a dispersant.

Abstract: The present invention provides a composition comprising (i) a particulate solid; (ii) an organic medium; and (iii) a salt of a hydrocarbyl-substituted acrylating agent. The invention further provides for the use of the composition in various applications including paints, inks or mill bases.

Abstract: The invention relates to a composition containing a particulate solid, an organic or aqueous medium, and a compound with a head group derived from phosphorous acid. The invention further relates to novel compounds, and the use of the compound as a dispersant.

Abstract: The present invention provides a composition containing a particulate solid, an organic medium and/or water and a compound of Formula (1) and salts thereof: Formula (1) wherein R and R? are independently H or C1-30-optionally substituted hydrocarbyl; or R is H or C1-30-optionally substituted hydrocarbyl and R? is R?C?O (an acyl group where R? is hydrogen, alkyl or an optionally substituted alkyl or aryl or an optionally substituted aryl); Y is C2-4-alkyleneoxy; T is C2-4 alkylene; A is the residue of a dibasic acid or anhydride thereof; Z is the residue of a polyamine and/or polyimine; W is the residue of an oxide, urea or dibasic acid or anhydride thereof, or mixtures thereof; x is from 2 to 90; and v represents the maximum available number of amino and/or imino groups in Z which does not carry the group RR?N-T-O—(Y)X-T-NH-A-.

Abstract: The invention relates to a composition containing a particulate solid, plastic material (such as a vinyl chloride polymer), and a compound containing an acidic group.