Amcor has been granted a patent for a multilayer film designed for packaging pharmaceutical products. The film features a product-contacting sealing layer made primarily of an ethylene norbornene copolymer, ensuring compatibility with pharmaceutical active agents and providing effective barrier properties against oxygen and moisture. 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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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 July 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Pharmaceutical packaging film with specific copolymer properties
The patent US12065296B2 describes a packaged pharmaceutical product that features a multilayer film designed to enhance the stability and delivery of pharmaceutical active agents. The multilayer film consists of several components, including a drug contact layer made primarily of an ethylene norbornene copolymer, which has a specific glass transition temperature range. Additionally, the film includes a polyolefin bulk layer, two intermediate adhesive layers, an oxygen barrier layer with a low oxygen transmission rate, and an exterior protective layer made from various materials such as paper or polyester. The product is characterized by its ability to maintain a water vapor transmission rate below a specified threshold, ensuring the integrity of the pharmaceutical agent, which must have a Hansen Solubility Parameter of 0.5 or greater.
Further claims within the patent detail the application of this multilayer film in flexible containers, specifically for transdermal patches that deliver active agents like nicotine or fentanyl. The patent also outlines alternative configurations, including a drug-resistant flexible multilayer film with a nylon blend composition, which serves a similar purpose. The pharmaceutical active agents mentioned in the claims include a range of substances such as lidocaine, estradiol, and buprenorphine, indicating the versatility of the packaging technology for various therapeutic applications. Overall, the patent presents a comprehensive approach to pharmaceutical packaging that aims to improve drug delivery and stability through innovative material design.
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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.
