Intellectual Property India Publishes Patent Application for A Method For The Manufacture Of A Degradable Polymer Composition, And A Kit Of Parts For Said Manufacture

MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202647104931 A) filed by Polymateria Limited on September 01, 2026, for A Method For The Manufacture Of A Degradable Polymer Composition, And A Kit Of Parts For Said Manufacture.

Inventors include Hill, Gavin; Huynh, Florence; and Van Den Oudenhoven, Roy.

The application for the patent was published on September 18, 2026, under issue no. 38/2026.

Abstract: There is provided a method for the manufacture of a degradable polymer composition comprising a copolymer or homopolymer of polyethylene and/or polypropylene, and: (i) a first component which is one or more transition metal compounds, wherein the transition metal is selected from iron, manganese, copper, cobalt and cerium; (ii) a second component which is one or more saturated, or mono- or poly-unsaturated C14 -C24 carboxylic acid, or an ester, anhydride or amide thereof; (iii) a third component which is a rubber, preferably a synthetic rubber; (iv) a fourth component which is a stabiliser system comprising one or more antioxidants and/or acid scavengers; the method comprising: a) providing a heat- extruded pelletised first composition (A); b) providing a non-heat-treated, compacted pelletised second composition (B); c) providing a co-polymer or homopolymer of polyethylene and/or polypropylene third composition (C), d) optionally, providing a liquid fourth composition (D), e) coextruding the first composition (A), the second composition (B), the third composition (C) in a weight ratio of: 0.5A1.5 to 0.5B1.5 to C4, and, when present, the fourth composition (D) in the ratio 0.05D0.8; wherein the first composition (A) comprises, based on the weight of the first composition (A): the third component (iii) in an amount of from 5 to 40wt%, less than 25wt% total of the second component (ii) and fourth component (iv), and a first carrier material which is a copolymer or homopolymer of polyethylene and/or polypropylene; wherein the second composition (B) comprises, based on the weight of the second composition (B): the first component (i) in an amount of at least 20wt%, and at least 20wt% total of the second component (ii) and fourth component (iv); and wherein the liquid fourth composition (D) comprises or consists of the second component (ii).

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