Microcapsules

Details Microcapsules Microcapsules

2004-07-28

2008-10-14

Mruk, Brian P (Department: 1796)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Heterogeneous arrangement

C510S296000, C510S326000, C510S348000, C510S349000, C510S446000, C510S475000, C424S408000, C424S451000, C424S462000, C424S474000, C424S490000

Reexamination Certificate

active

07435715

ABSTRACT:
Microcapsules for use in liquid detergents having a core and a polyelectrolyte complex shell in the form of a semipermeable membrane capable of withstanding a force before bursting of from about 20 mN to about 20,00 N and having a density of from about 900 Kg/m3to about 1,300 Kg/m3at 25° C. The invention also relates to a process for making the microcapsules and liquid detergents comprising said microcapsules.

REFERENCES:
patent: 5470512 (1995-11-01), Noji et al.
patent: 5716920 (1998-02-01), Glenn et al.
patent: 5932528 (1999-08-01), Glenn, Jr. et al.
patent: 6165503 (2000-12-01), Dettmar et al.
patent: 6733790 (2004-05-01), Garces Garces
patent: 6855691 (2005-02-01), Bullard
patent: 10100689 (2001-01-01), None
patent: WO 00/01373 (2000-01-01), None
patent: WO 03/000625 (2000-01-01), None

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