Ambient moisture-activated hard surface treatment powder
AssigneeSterilex, LLC
InventorsEdward Fu, Mark Wozniak, Chris Bergstrom
Life of this patent
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Abstract
Ambient moisture-activatable surface treatment powders containing persalt, positively charged phase transfer agent and alkaline pH buffering may be activatable without the addition of liquid. Some ambient moisture-activatable surface treatment powders are substantially free of bleach activators and/or chlorine. Methods of use of ambient moisture activatable powders include applying them to the surfaces to be treated.
Claims13
A method of treating a hard surface, the method comprising applying an ambient moisture-activated hard surface treatment powder to the hard surface, wherein the treatment powder comprises by weight percentage of the treatment powder:
- (a) from about 5% to less than about 50% by weight of the hard surface treatment powder of persalt;
- (b) quaternary ammonium salt;
- and
- (c) an alkaline buffering agent
- wherein:
- 1. the hard surface treatment powder comprises particles and over about 65% of the particles range in size of from about 125 microns to about 250 microns;
- and
- 2. the alkaline buffering agent comprises:
- A. from about 5% to about 10% sodium carbonate by weight of the hard surface treatment powder;
- and
- B. from about 20.5% to about 90% of sodium bicarbonate by weight percentage of the hard surface treatment powder.
Dependencies are inferred from the claim text.