Goodyear Tire & Rubber patented a vulcanizable rubber composition with an interpenetrating network-promoting resin, including elastomers, olefin-maleic anhydride copolymer resin, and a processing additive like ZnO. The method involves mixing zinc oxide and resin during the productive stage for tire component incorporation. GlobalData’s report on Goodyear Tire & Rubber 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 Goodyear Tire & Rubber, Anti-skid tyre treads was a key innovation area identified from patents. Goodyear Tire & Rubber's grant share as of April 2024 was 76%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11970618B2) discloses a vulcanizable rubber composition designed for tire components. The composition includes elastomers such as styrene-butadiene, polybutadiene, natural rubber, polyisoprene, or mixtures thereof. Additionally, the composition contains an olefin-maleic anhydride copolymer resin with specific characteristics, along with a processing additive to promote connections between functional groups for network formation.
The patent further details variations in the composition, such as the resin being derived from maleic anhydride or specifically a styrene-maleic anhydride (SMA) copolymer resin. The inclusion of zinc oxide as the processing additive and the simultaneous addition of resin and zinc oxide to the elastomers in a mix step are highlighted. Moreover, the composition may include reinforcement fillers, with specific mention of silica requiring a coupling agent. The elastomer ratios, functionalization of elastomers, and the application of the rubber composition in tire components, particularly treads, are also outlined in the patent claims.
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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.
