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US 4,965,063 AGranted
Cleaner and disinfectant with dye
OwnerIrene Casey, Helmut L. Melzerinventors
Life of this patent
Estimating the term…
Abstract
A cleaning composition for surfaces which contains a disappearing dye which can include a germicide. The composition is packaged airtight. The dye is pH sensitive so that upon exposure to air the dye disappears. The delivery of the cleaner gives a visual check as to the surface contacted.
Claims7
A composition for cleaning a surface comprising:
- at least one surfactant;
- a pH sensitive dye which changes color upon exposure to air;
- an alkali means for adjusting the pH of the composition to an alkali pH to produce a color in the composition so that upon neutralization in the air the dye loses color;
- a propellant system for foaming the composition;
- aid composition being a visually colored foam composition with the disappearing pH sensitive dye effectively indicating the delivery of the foam and giving a visual check as to the area contacted when the visually colored foam is applied;
- and
- said composition is packaged sealed airtight in a container adapted for propellant foam delivery of the composition.
4 more elements
Dependencies are inferred from the claim text.