| US 7,347,992 B2 | ||
| Stick compositions | ||
| Kevin Ronald Franklin, Wirral (United Kingdom); and Jason Richard Williams, Wirral (United Kingdom) | ||
| Assigned to Unilever Home & Personal Care USA division of Conpco, Inc., Chicago, Ill. (US) | ||
| Filed on May 10, 2004, as Appl. No. 10/842,137. | ||
| Claims priority of application No. 0310771.1 (GB), filed on May 10, 2003. | ||
| Prior Publication US 2004/0223996 A1, Nov. 11, 2004 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A61Q 15/00 (2006.01); A61K 8/02 (2006.01) | ||
| U.S. Cl. 424—65 [424/400; 424/401] | 37 Claims |
| 1. A solid cosmetic composition comprising a water-immiscible liquid, a cosmetic active suspended therein and a solidifying amount of a gellant for the water-immiscible liquid, wherein the gellant for the water-immiscible liquid comprises at least 4% by weight of primary and secondary amido gellants, including at least 3% by weight of a primary gellant combination of gellant (i), an N-acyl substituted amino acid amide of formula AX—CO—RX in which AX represents the residue of an amino acid amide and RX represents a branched alkyl group containing from 4 to 12 carbon atoms and gellant (ii), an N-acyl substituted amino acid amide of formula Ay—CO—RY in which AY represents an amino acid amide and RY represents a linear alkyl group containing from 9 to 21 carbon atoms in an effective relative weight ratio as primary gellant and the water-immiscible liquid comprises a water-immiscible monohydric alcohol having a melting point of not higher than 20° C. and a boiling point of higher than 100° C. in a proportion of from 25% to 50% of said water-immiscible liquid. |