Abstract: The present invention provides a method for making a composition comprising an amphiphilic polymeric material which comprises a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone; wherein in the method, backbone precursors comprising acylating groups are mixed with side chain precursors which comprise a nucleophilic group at at least one terminus, to form a reaction mixture; the backbone precursors, side chain precursors and/or the reaction mixture are heated; the reaction mixture is stirred; and the nucleophilic groups react with the acylating groups to form the amphiphilic polymeric material wherein the side chains are linked to the backbone via acyl linkages; characterized in that the reaction mixture does not comprise organic solvent.

Abstract: A cosmetic composition including: (i) at least one amphiphilic copolymer; and (ii) one or more cosmetically acceptable diluents, excipients or carriers; wherein the amphiphilic copolymer is selected from the group consisting of a graft copolymer including a hydrophobic straight or branched chain carbon-carbon backbone having at least one hydrophilic side chain attached thereto; a graft copolymer comprising a hydrophilic straight or branched chain backbone having at least one hydrophobic side chain attached thereto; a block copolymer including at least one hydrophilic block and at least one hydrophobic block in a straight or branched chain backbone; and a cross-linked/network copolymer.

Abstract: A composite includes: one or more core units comprising a bleach activating agent; and an alkali soluble polymer coating on the surface of said one or more core units.

Abstract: A polymeric material having low tack which has a straight or branched chain carbon-carbon polymer backbone and a multiplicity of side chains attached to the backbone wherein the side chains, which are attached directly to carbon atoms of the polymer backbone, have the formula wherein R1 is H, —C(O)OR4 or —C(O)Q and R2 is —C(O)OR4 or —C(O)Q provided that at least one of R1 and R2 is the group —C(O)Q; R3 is H or —CH3; R4 is H or an alkyl group having from 1 to 6 carbon atoms; Q is a group having the formula —O—(YO)b—(ZO)c—R5? wherein each of Y and Z is, independently, an alkylene group having from 2 to 4 carbon atoms and R5 is H or an alkyl group having from 1 to 4 carbon atoms; a is 3 or 4 and each of b and c is, independently, 0 or an integer of from 1 to 125 provided that the sum b+c has a value in the range of from 10 to 250, preferably from 10 to 120.

Abstract: The present invention concerns an amphiphilic polymeric material which comprises a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone, wherein the side chains have formula (I). At least one of R1 and R2 is the group —C(O)Q; wherein Q comprises a hydrophilic polymeric group terminated with an amine. Chewing gum bases and chewing gum compositions comprising the amphiphilic polymeric material are provided.

Abstract: The present invention provides a method for making a composition comprising an amphiphilic polymeric material which comprises a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone; wherein in the method, backbone precursors comprising acylating groups are mixed with side chain precursors which comprise a nucleophilic group at at least one terminus, to form a reaction mixture; the backbone precursors, side chain precursors and/or the reaction mixture are heated; the reaction mixture is stirred; and the nucleophilic groups react with the acylating groups to form the amphilphilic polymeric material wherein the side chains are linked to the backbone via acyl linkages; characterised in that the reaction mixture does not comprise organic solvent.

Abstract: An amphiphilic polymeric material which has a straight or branched chain polymer backbone and a multiplicity of side chains attached to the backbone, wherein the backbone is a copolymer of at least one ethylenically-unsaturated aliphatic hydrocarbon monomer and maleic anhydride, or is a terpolymer of maleic anhydride, ethylene, and a further ethylenically unsaturated monomer. A method of synthesising said polymeric material is also provided, together with chewing gum bases, compositions and emulsions comprising amphiphilic polymeric materials.

Abstract: Chewing gum base including i. 1 to 99% by weight of a polymeric material which has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains, and is substantially insoluble in water; ii. from 0-6% by weight wax; iii. up to 99% by weight of an elastomeric material different to the polymeric material; and iv. 0 to 20% by weight of an elastomer plasticiser; in which the total amount of polymeric material and elastomeric material is at least 10% by weight of the chewing gum base. A chewing gum composition including this chewing gum base, and methods of manufacture, are also provided.

Abstract: The present invention provides a chewing gum composition comprising a chewing gum base, a biologically active ingredient, a polymeric material and one or more sweetening and flavouring agents, wherein the polymeric material is amphiphilic, has a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone. A method of making the chewing gum composition is also provided.