MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202637076320 A) filed by Unilever Global Ip Limited on June 19, 2026, for An Aqueous Liquid Detergent Composition Comprising Rhamnolipid Biosurfactant.
Inventors include Carswell, Robert John; Deane, Oliver Jonathan; Mason, Arran; and Mcdonald, Adam.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The present invention relates to aqueous liquid detergent compositions comprising: a surfactant system comprising: (i) a primary surfactant mix comprising alkyl ether sulfate surfactant and alkyl sulfate surfactant; (ii) an amphoteric surfactant selected from betaines, glucamides and sultaines; and (iii) rhamnolipid biosurfactant; wherein - the weight ratio of (alkyl ether sulfate surfactant + alkyl sulfate surfactant) / amphoteric surfactant is from 4.5 to 1; and - the percentage of alkyl sulfate surfactant calculated on total amount of alkyl sulphate and alkyl ether sulfate is from 45 to 95. The invention further relates to a method of cleaning a hard surface using the composition of the invention, as well as the use of said surfactant mix to improve foaming behaviour in an aqueous liquid detergent composition comprising rhamnolipid surfactant.
Disclaimer: Curated by HT Syndication.
