MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202637076319 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; and Deane, Oliver Jonathan.
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: - from 4 to 8 wt% of a surfactant system comprising: (i) a primary surfactant mix comprising alkyl ether sulfate surfactant, alkyl sulfate surfactant and a rhamnolipid biosurfactant; and (ii) a secondary surfactant mix comprising an amphoteric surfactant selected from betaines, glucamides and sultaines; - from 0.001 to 0.2 wt% of polyethylene oxide having a molecular weight higher than 200,000 g/mol; and - an inorganic salt selected from sodium chloride, magnesium sulphate and sodium sulphate; wherein - the weight ratio of (alkyl ether sulfate surfactant + alkyl sulfate surfactant + rhamnolipid biosurfactant) / amphoteric surfactant is from 1 to 4; - the percentage of secondary surfactant mix calculated on total amount of surfactant system including secondary surfactant is from 10 to 30; and - the average EO of alkyl ether sulfate surfactant and alkyl sulfate surfactant combined is from 0.45 to 1.
Disclaimer: Curated by HT Syndication.
