Antimicrobial cleaning composition
AssigneeThe Clorox Company
InventorsBoli Zhou, Maria Ochomogo
Life of this patent
Estimating the term…
Abstract
A novel antibacterial cleaning composition which exhibits exceptional germicidal activity for sustained periods of time is provided. The antibacterial cleaning composition that includes: (a) a quaternary ammonium compound; (b) an anionic polymer having an acid number greater than 10 wherein the anionic polymer is partially or completely neutralized by the quaternary ammonium compound to form a polymer complex and wherein the polymer complex is greater than about 15% by weight of the solids in the composition; (c) a dispersing agent and/or solvent; and (d) water. The composition can be incorporated into the matrix of sponges. Alternatively, the quaternary ammonium compound can be complexed directly to cellulosic sponges that have been functionalized with anionic groups.
Claims22
An antibacterial cleaning composition comprising:
- (a) a quaternary ammonium compound;
- (b) an anionic polymer having an acid number greater than 10 wherein the anionic polymer and the quaternary ammonium form a polymer complex wherein the polymer complex is greater than about 15% by weight of the solids in the composition and wherein the average molecular weight of the anionic polymer ranges from greater than about 5,000 to about 1,000,000;
- (c) optionally a dispensing agent;
- and
- (d) optionally, a solvent.
The cleaning composition of claim 16 where the polymer complex comprises about 15% to 100% of the solids in the composition.
A method of rendering a surface with residual antibacterial action that comprises the steps of:
- (a) applying an antibacterial cleaning composition onto the surface wherein the cleaning composition comprises:
- (i) a quaternary ammonium compound;
- (ii) an anionic polymer having an acid number greater than 10 wherein the anionic polymer and the quaternary ammonium compound form a polymer complex wherein the polymer complex is greater than about 15% by weight of the solids in the composition and wherein the average molecular weight of the anionic polymer ranges from greater than about 5,000 to about 1,.000,000 wherein;
- (iii) either (1) a dispersing agent selected from a nonionic polymer or a surfactant, or (2) a water-miscible solvent;
- and
- (iv) the balance, water;
- and
- (b) allowing water and solvent, if present, to evaporate from the cleaning composition to form a layer of said polymer complex that is coated on the surface.
Dependencies are inferred from the claim text.