Powder formed of particles of biliquid foam entrapped within...

Details Powder formed of particles of biliquid foam entrapped within... Powder formed of particles of biliquid foam entrapped within...

2003-06-24

2011-10-11

Wax, Robert A (Department: 1615)

Drug, bio-affecting and body treating compositions

Deodorants

C424S076200, C424S076300, C424S401000, C427S243000, C427S244000, C427S372200, C516S010000, C604S374000

Reexamination Certificate

active

08034325

ABSTRACT:
A discrete powder which includes particles in which a biliquid foam has been entrapped within a matrix of a polymeric material. A process for the preparation of these discrete powders includes the steps of: i) preparing a biliquid foam, ii) forming a dispersion of the biliquid foam in an aqueous solution, suspension or dispersion of a polymeric material, and iii) subjecting the dispersion to drying under conditions such that a discrete powder is formed.

REFERENCES:
patent: 3016308 (1962-01-01), Macaulay
patent: 3549555 (1970-12-01), Jensen et al.
patent: 4486333 (1984-12-01), Sebba
patent: 4986429 (1991-01-01), Singleton, Jr.
patent: 4999198 (1991-03-01), Barnett et al.
patent: 6165479 (2000-12-01), Wheeler
patent: 6312760 (2001-11-01), Wheeler
patent: 6358493 (2002-03-01), Birkel et al.
patent: 6416751 (2002-07-01), Roulier et al.
patent: 10107217 (2001-11-01), None

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