发明授权
US6106813A Polyester polyurethanes, process for preparing them, produced from the said polyester polyurethanes and their use in cosmetic compositions 失效
聚酯聚氨酯,其制备方法,由所述聚酯聚氨酯制成,以及它们在化妆品组合物中的用途

Polyester polyurethanes, process for preparing them, produced from the
said polyester polyurethanes and their use in cosmetic compositions
摘要:
The present invention relates to polyurethanes and a process for preparing them. These polyester polyurethanes contain units corresponding to the following formulae (I) and (II): ##STR1## The polyester urethanes according to the present invention form pseudolatices which may be utilized in cosmetic compositions.
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