MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617089953 A) filed by Dow Global Technologies LLC on July 23, 2026, for Polyolefin Elastomers (poe) For Photovoltaic Encapsulants And Methods Of Making Same.

Inventors include Wu, Gaoxiang; Sun, Yabin; Munro, Jeffrey C.; Xiong, Jie; Delorbe, Johnathan E.; and Karjala, Jr. , Thomas Wesley.

The application for the patent was published on October 23, 2026, under issue no. 43/2026.

Abstract: Embodiments are directed to a polyolefin elastomer comprising the polymerized reaction product of ethylene monomer and at least one C4-C12 alpha-olefin comonomer, the polyolefin elastomer having: a density from 0.860 to 0.900 g/cc; a melt index (I2) of 0.5 to 30 dg/min, wherein I2 is measured according to ASTM D1238 (190 ?, 2.16 Kg); an I10/I2 greater than or equal to 8, wherein I10 is measured according to ASTM D1238 (190 ?, 10 Kg); greater than or equal to 0.2 vinyls per 1000 carbons; the percentage of vinyls in the total unsaturation is greater than or equal to 50%; and an oligomer level less than 5000 ppm. Additional embodiments are directed to the process for making the polyolefin elastomer. Further embodiments are directed to cross-linkable polyolefin elastomer formulations and cross-linked polyolefin elastomers and articles produced therefrom.

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