Prysmian has patented a flame-retardant cable with a unique coating made from a low smoke zero halogen flame-retardant polymer composition. The cable’s design ensures improved fire reaction performance, meeting international standards without dripping during burning. GlobalData’s report on Prysmian 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 Prysmian, Data center optical networking was a key innovation area identified from patents. Prysmian's grant share as of May 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.
Flame-retardant cable with low smoke and zero halogen coating
The granted patent (Publication Number: US12014848B2) discloses a flame-retardant cable designed with a coating layer made from a low smoke zero halogen flame-retardant polymer composition. The composition includes specific additives such as metal hydroxide, phyllosilicate clay, melamine or its derivative, and alkali or alkaline-earth metal carbonate. The cable is constructed to ensure fire safety and reduced smoke emission in case of a fire. The coating layer is crucial in providing these flame-retardant properties, with the base polymer being a key component in the composition. Various combinations of polymers, including ethylene homopolymers or copolymers, are used to achieve the desired density and performance of the cable.
Furthermore, the patent details the specific quantities and types of additives used in the flame-retardant polymer composition, such as magnesium hydroxide or aluminum hydroxide as metal hydroxides, montmorillonite or bentonite as phyllosilicate clays, and melamine derivatives like melamine cyanurate. The inclusion of an anhydride-modified polyethylene as a coupling agent further enhances the properties of the composition. The patent also specifies the average particle size of the phyllosilicate clay, ranging from 5 to 35 µm, to optimize the performance of the flame-retardant cable. Overall, the disclosed cable design aims to meet stringent safety standards by utilizing a carefully formulated polymer composition with specific additives to ensure effective flame retardancy and low smoke emission in the event of a fire.
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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.
