Patents

P&G’s Latest Patents in Manual Dishwash

Two new compositions for hand washing formulas.

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By: Christine Esposito

Editor-in-Chief

Procter & Gamble has been awarded two new patents for hand dishwash compositions.

In US Patent No. 12,049,604 B2 (Karl Ghislain Braeckman, Patrick Firmin August Delplancke, Nuray Yaldizkaya); Procter & Gamble Company patented a manual dishwashing composition comprising surfactant system that contains an alkyl polyglucoside surfactant that has an average alkyl carbon chain length between 10 and 12 and an average degree of polymerization of between 0.1 and 3; a linear or branched alkyl amidopropyl betaine, and an anionic surfactant which is an alkyl ethoxy sulfate with an average degree of ethoxylation of less than about 5 and an average level of branching of from 5% to about 60%. The composition also contains water.

The composition produces a foam, static yield stress between about 9 Pa and about 12 Pa at a 10% product concentration in demineralized water and 20°C, upon dispensing.

US Patent No. 12,049,603 B2 (Jan Julien Marie-Louise Billiauw, Karl Ghislain Braeckman, Katrien Richarde Francoise Decraene, Pieter Jan Maria Saveyn, Bjorn Vanoverstraete) details a liquid hand dishwashing composition is comprised of a surfactant system that contains anionic surfactant (alkyl sulfate anionic surfactant with an alkyl chaincomprising an average of from 8 to 18 carbon atoms and average degree of branching of less than about 15%, and is free of alkoxylation; co-surfactant (selected from the group consisting of an amphoteric surfactant, a zwitterionic surfactant and mixtures thereof), polypropyleneglycol and water.

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