Particles containing absorbed liquids and methods of making them

Details Particles containing absorbed liquids and methods of making them Particles containing absorbed liquids and methods of making them

1997-12-23

2000-02-15

Dodson, Shelley A.

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

424 701, 424 7011, 424 7016, 424401, 424409, 424494, 424497, 510101, 510515, 512 1, 512 4, 525418, 525444, A61K 742, A61K 706, A61K 700, A01N 2508

Patent

active

060249439

ABSTRACT:
Perfume is absorbed within organic polymer particles which have a further polymer at their exterior. The further polymer incorporates free hydroxyl groups and serves to promote deposition of the particles from a wash or rinse liquor. The further polymer may be part of an encapsulating shell, but more conveniently is used as a stabiliser during polymerisation of the particles. Highly hydrolysed polyvinyl alcohol is preferred.

REFERENCES:
patent: 4264766 (1981-04-01), Fischer
patent: 4719040 (1988-01-01), Traas et al.
patent: 4855144 (1989-08-01), Leong et al.
patent: 4997772 (1991-03-01), Sutton et al.
patent: 5137646 (1992-08-01), Schmidt
patent: 5188753 (1993-02-01), Schmidt
patent: 5281357 (1994-01-01), Morgan
patent: 5385959 (1995-01-01), Tsaur et al.
patent: 5492646 (1996-02-01), Langley et al.

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