Apollo Tyres has been granted a patent for a cross-linkable rubber composition containing natural rubber, filler, and a resin made of ethylene, acrylic ester, and maleic anhydride. The resin content ranges from =5 to =20 phr. GlobalData’s report on Apollo Tyres 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 Apollo Tyres, Self-sealing tyres was a key innovation area identified from patents. Apollo Tyres's grant share as of February 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11920032B2) discloses a cross-linkable rubber composition that includes natural rubber, a filler (such as carbon black), and a resin. The composition is characterized by the presence of a terpolymer of ethylene, acrylic ester, and maleic anhydride in specific amounts. The natural rubber is required to be present in at least 60 parts per hundred rubber (phr), while the carbon black filler should be within a range of =40 to =70 phr. Additionally, the terpolymer content should range from =10 to =15 phr.
Furthermore, the patent claims cover a cross-linked rubber composition obtained by cross-linking the aforementioned rubber composition. The cross-linked rubber composition is specified to have certain properties, including a tan delta value at 70°C, a storage modulus G', a rebound value, tensile strength, and a payne value G' at a specific strain and temperature. The patent also extends to a tire design featuring a rim cushion made from the cross-linked rubber composition, emphasizing the application of the innovative material in practical use cases within the automotive industry.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
