MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202637049067 A) filed by Si Group-Switzerland Gmbh on April 17, 2026, for Polymeric Phenolic Antioxidant And Use Thereof.
Inventor includes Beckingham, Oliver.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: A polymeric phenolic antioxidant is disclosed. In particular, the polymeric phenolic antioxidant is the reaction product of a hydroxybenzene, a diene, and an aldehyde. The present disclosure is also directed to a stabilizer composition, a polymeric composition, and an article comprising the polymeric phenolic antioxidant. The present disclosure is also directed to a method of making the polymeric phenolic antioxidant wherein the method comprises: reacting a hydroxybenzene and a diene to obtain a first reaction product; reacting the first reaction product in the presence of the hydroxybenzene and an aldehyde to obtain a crude reaction product comprising the polymeric phenolic antioxidant.
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