C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/50 (2006.01) A61K 8/06 (2006.01) C11D 3/00 (2006.01) C11D 11/00 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2148675
A method is disclosed for controlling the viscosity of fabric softener compositions to thereby improve shelf life by first forming a microemulsion of a perfume and a surfactant by mixing a perfume and a surfactant at a temperature where each component is in the liquid state. Sufficient shearing forces are used to uniformly disperse the perfume in the surfactant to form a stable microemulsion of said perfume in said surfactant. The microemulsion is then mixed with a fabric softener base formulation.
Guenin Eric
Smith Leslie C.
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