Paul Hartmann has patented a functional wound dressing that detects infections, particularly from bacteria like Staphylococcus aureus and Pseudomonas aeruginosa. The dressing features a polyurethane-polyurea-copolymer hydrogel with a buffer, designed for moist wound healing and capable of absorbing exudate while maintaining moisture. GlobalData’s report on Paul Hartmann 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 Paul Hartmann, Remote monitored dialysis machines was a key innovation area identified from patents. Paul Hartmann's grant share as of July 2024 was 57%. Grant share is based on the ratio of number of grants to total number of patents.
Functional wound dressing that detects infections
The granted patent US12053552B2 describes a novel wound dressing that incorporates a polyurethane-polyurea-copolymer-based hydrogel and a carrier containing a fluorescent dye. The hydrogel is designed to include a buffer that, when dissolved in demineralized water at 37°C, results in a buffer solution with a pH range of 6.0 to 9.0. The patent specifies that the buffer may consist of 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid, and the hydrogel can also contain additional substances that exhibit a pH of less than 6 at the same temperature, as well as amphiphilic substances and/or alcohols in varying amounts.
Further details in the claims outline the composition of the carrier, which may be a liposome containing specific phospholipids and a sterol. The fluorescent dye utilized in the dressing is identified as belonging to the xanthenes group, particularly those with at least one hydroxy group on the xanthene skeleton, with fluorescein and carboxy fluorescein being highlighted as potential examples. The claims emphasize the innovative combination of materials and their specific properties, which aim to enhance the functionality of the wound dressing.
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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.
