Polymeric compositions for sustained release of volatile...

Details Polymeric compositions for sustained release of volatile... Polymeric compositions for sustained release of volatile...

2004-11-12

2010-11-16

Azpuru, Carlos A (Department: 1615)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

C424S070130, C528S076000

Reexamination Certificate

active

07833515

ABSTRACT:
A polymeric composition comprising a copolymer obtained from at least one monomer comprising an ether group and at least one monomer not comprising an ether group, a compatible plasticizer and a volatile material is able to provide sustained delivery of the volatile material over a long period of time. Additionally, if the volatile material is a composition formed by several components of different volatility, the compositions of the present invention is able to provide a uniform release of all components of the volatile material.

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