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US 11,898,121 B2Granted
Dishwashing composition having improved sudsing
AssigneeThe Procter & Gamble Company
InventorsJana Verena Margarethe Herzberger, Pieter Jan Maria Saveyn, Steven Daryl Smith, Evelyne Johanna Lutgarde Van Hecke, Valerie Wong
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Abstract
The need for a liquid hand-dishwashing composition which provides further improved sudsing volume and longevity when washing dishware using diluted liquid hand dishwashing compositions, especially in the presence of greasy soil, while still providing the desired cleaning, is met when the composition is formulated with from 5% to 50% of a sudsing surfactant system and from 0.05% to 5.0% polyvinyl acetal polymer.
Claims17
A liquid hand dishwashing cleaning composition comprising:
- a. from about 5% to about 50% by weight of the composition of a surfactant system;
- b. from about 0.05% to about 5.0% by weight of the composition of a polyvinyl acetal polymer wherein the polyvinyl acetal polymer consists of polyvinyl alcohol and polyvinyl acetal subunits and optionally polyvinyl acetate subunits, and further wherein the polyvinyl acetal polymer has an average degree of acetalization of from about 0.5 mol % to about 10 mol %, and the polyvinyl acetal subunit has a structure according to structure (I), wherein R represents C1 to C11 alkyl:
Dependencies are inferred from the claim text.