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P&G Patents Pair of Cleaning Products

March 5, 2014

The Procter & Gamble Company has been awarded patents for two different cleaners with specific properties. According to P&G, the first patent is for a hard surface cleaner with odor control while the second patent is for a liquid cleaner with biodegradable foam abrasives.

US Patent No. 8,629,095 B2 covers a liquid cleaner that is comprised of a biodegradable polyurethane foam particles as an abrasive; and a suspending aid. The polyurethane foam is formed from polymeric diisocyanate selected from the group consisting of polymeric toluene diisocyanate (TDI), polymeric methylene dianiline diisocyanate (MDI), and mixtures thereof, wherein the polymeric diisocyanate does not contain TDI and/or MDI monomers; and polyols selected from the group consisting of polyethylene glycol, polycaprolactonediol, poly(ethylene adipate)diol, poly(hexamethylene adipate)diol and mixtures thereof. The particles are non-spherical with a form factor below about 0.6.

P&G’s second patent (US Patent No. 8,629,092 B2) relates to a hard surface cleaning composition. According to the patent literature, the composition contains an acidic component; a surfactant selected from the group consisting of nonionic surfactants, anionic surfactants, cationic surfactants; amphoteric surfactants, zwitterionic surfactants, and mixtures thereof; and a surface modifying polymer; a malodor control component (comprising an effective amount of at least one volatile aldehyde; and 5-methyl thiophene carboxylic acid) and an aqueous carrier.
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