Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2003-09-19
2009-06-09
Shosho, Callie E (Department: 1794)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S204000, C428S205000, C428S914000, C424S063000, C424S414000, C510S130000, C510S142000, C510S143000, C510S146000, C510S438000, C510S441000, C510S445000
Reexamination Certificate
active
07544409
ABSTRACT:
The present invention is directed to a method and an article for performing the method of monitoring a surfactant. A preferred embodiment of the invention, an article comprises a substrate having an image and a surfactant thereon. The substrate is formed from various known fabrics or materials capable of absorbing and retaining a substantial quantity of the surfactant. During use, as the surfactant is dissipated, the image changes in appearance thereby indicating the quantity of surfactant remaining on the substrate. In a preferred embodiment of the invention, the method and article of the present invention is effective for encouraging and making washing enjoyable for children and includes the use of an epidermal surfactant, such as soap, detergent, or other active ingredient.
REFERENCES:
patent: 5928797 (1999-07-01), Vineberg
patent: 6106852 (2000-08-01), Vineberg
patent: 2002/0022008 (2002-02-01), Forest et al.
patent: 2002/0041851 (2002-04-01), Kamimoto
patent: 2002/0114764 (2002-08-01), Berryman et al.
patent: 2002/0187181 (2002-12-01), Godbey et al.
patent: 2003/0044366 (2003-03-01), Dole et al.
Copland Donald S
Crowley Mike E
Hall Jonathan B.
Joy David J
Shosho Callie E
Smith Mark F.
Smith Brandenburg Ltd
SpencerHall, Inc.
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