Amcor has developed a low odor packaging film with an oriented structure, including an inner layer made of multicomponent recyclate, and odor barrier layers to reduce transmission of odors. The film has low haze compared to non-oriented films of the same composition. GlobalData’s report on Amcor gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Data Insights Amcor Plc - Company Profile

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According to GlobalData’s company profile on Amcor, Synthetic Resin containers was a key innovation area identified from patents. Amcor's grant share as of January 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.

Low odor packaging film with oriented structure and odor barriers

Source: United States Patent and Trademark Office (USPTO). Credit: Amcor Plc

The patent application (Publication Number: US20230364891A1) describes a low odor packaging film that includes an oriented film with specific layers to reduce odor transmission. The film comprises an inner layer made of a multicomponent recyclate, positioned between a first and a second odor barrier layer. These odor barrier layers are made of materials with low oxygen transmission rates, such as polyamides or ethylene vinyl alcohol copolymers, to minimize the transmission of odors from the inner layer.

Additionally, the inner layer may contain a compatibilizer and an odorous derivative of caprolactam, with the odor barrier layers working to reduce the transmission of this derivative for a low odor profile. The multicomponent recyclate in the inner layer typically includes a polyamide and a polyolefin, like polyethylene or polypropylene, possibly with an ethylene vinyl alcohol copolymer. The oriented film is stretched in the machine direction, resulting in improved properties such as reduced haze, increased gloss, and enhanced barrier performance. The patent also covers methods of producing such low odor packaging films, including using unseparated multicomponent recyclates for the inner layer to enhance sustainability.

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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.