Unilever has patented a hair care cleansing composition containing cleansing surfactants and defibrillated primary cell wall material with cellulose microfibrils. The composition includes polyols like glycerol and sorbitol. This innovation aims to enhance hair cleansing efficacy and maintain hair health. GlobalData’s report on Unilever gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Unilever, Nanoemulsion cosmetics was a key innovation area identified from patents. Unilever's grant share as of February 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11918678B2) discloses a hair cleansing composition that includes a cleansing surfactant and defibrillated primary cell wall material comprising cellulose microfibrils. The defibrillated primary cell wall material contains up to 20 wt. % water and polyol distributed between the fibrils, with the polyol selected from various compounds such as glycerol, sorbitol, and sucrose. The composition, which can be a hair shampoo, may also include citrus fibers with specific self-suspending capacities and G' values, providing unique properties for hair cleansing.
The patent further details a method for cleansing hair using the disclosed composition and a process for manufacturing the hair cleansing composition. The manufacturing process involves providing the defibrillated primary cell wall material, mixing it with other ingredients including a cleansing surfactant, and utilizing low-shear mixing techniques to create the final product. The composition's formulation and manufacturing process are designed to optimize the cleansing efficacy and overall performance of the hair care product. Additionally, the patent includes specific variations in the composition's components, such as the percentage of water in the defibrillated primary cell wall material and the amount of polyols present, offering flexibility in formulation based on desired properties and performance metrics.
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