Clorox has patented a method for creating multi-layer substrates using a thermoplastic material that allows for the passage of cleaning compositions between layers. The process involves bonding the thermoplastic layer to tissue paper layers without the need for chemical adhesives, making it cost-effective and efficient. GlobalData’s report on Clorox 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 Clorox, Thermoplastic elastomer laminates was a key innovation area identified from patents. Clorox's grant share as of January 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Multi-layer substrate with tissue paper and thermoplastic material
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A recently granted patent (Publication Number: US11858238B2) discloses a multi-layer substrate designed for cleaning applications. The substrate comprises a top surface layer and a bottom surface layer made of tissue paper, with a thermoplastic material sandwiched between them. The unique aspect of this invention lies in the process of forming the substrate, which involves heating the thermoplastic material to bond it to the fibers in the tissue paper layers without the use of chemical adhesives. This bonding process creates open pores in the thermoplastic material, allowing liquids loaded onto the top surface layer to pass through into the bottom layer, facilitating the use of cleaning compositions. The substrate's construction and composition enable efficient cleaning while maintaining structural integrity.
Furthermore, the patent details additional features of the multi-layer substrate, such as the application of pressure and heat during the bonding process, the use of fixed form fibers rather than loose fibers, and the absence of process water or chemical binders in the manufacturing process. The substrate's basis weight ranges from 30 gsm to 120 gsm, making it suitable for various cleaning applications. The patented technology also includes a method for forming a three-layer sandwich structure using a calendaring process, ensuring proper bonding between the thermoplastic material and the pulp fibers in the surface layers. Overall, the patented multi-layer substrate offers a novel solution for effective cleaning applications, combining the absorbency of tissue paper with the durability and fluid management capabilities of thermoplastic materials.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
