| 摘要 |
Three-phase system contains (a) a polyethylene glycol phase, containing a1) 50-100 wt.% polyethylene glycol(s) and (a2) 0-50 wt.% water, (b) an oil phase and (c) a microemulsion phase containing (c1) the components of phase (a), (c2) the components of phase (b) and (c3) surfactant(s). An Independent claim is also included for 3-phase system obtained by producing a mixture containing (i) polyethylene glycol(s), (ii) optionally water, (iii) oil component(s) and (iv) surfactant(s). t
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