Patent ID: 11896695
Assignee: THE BOOTS COMPANY PLC
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. A composition in the form of an oil-in-water emulsion having a viscosity of between 15 Pa·s and 45 Pa·s at 23° C., having a pH of between 2 and 6 and comprising
(i) at least 1.6 wt. % of at least one cross-linked anionic polyelectrolyte resulting from the polymerisation of partially or completely salified 2-methyl 2-[(1-oxo 2-propenyl)amino] 1-propane sulfonic acid, with at least one neutral monomer chosen from N,N-dialkyl acrylamides, wherein each of the alkyl groups comprises between one and four carbon atoms, and at least one monomer of formula (B):, wherein R represents a linear or branched alkyl radical comprising eight to twenty carbon atoms and n represents a number greater than or equal to one and less than or equal to twenty, in the presence of at least one cross-linking agent;
(ii) at least 4 wt. % of at least one polysorbate;
(iii) at least 0.1 wt. % of at least one polysaccharide gum; and
(iv) between 6 wt. % and 30 wt. % water.