CCL Industries. has been granted a patent for a multi-layer polymeric film substrate featuring a core layer and a coextruded oxygen barrier layer. The film demonstrates low oxygen transmission rates, meeting specific standards under high humidity conditions, and is produced using a biaxial orientation process to enhance crystallinity. GlobalData’s report on CCL Industries 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 CCL Industries, Pressure Sensitive Adhesive Tape was a key innovation area identified from patents. CCL Industries's grant share as of July 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
The granted patent US12036775B2 describes a multi-layer polymeric film substrate that includes a core layer and a coextruded oxygen barrier layer. This film is engineered to exhibit a low oxygen transmission rate (OTR), specifically below 200 cc/m²/24 hr at 85% relative humidity and below 600 cc/m²/24 hr at 90% relative humidity, as measured by ASTM F1927-14. The film undergoes a biaxial orientation process at temperatures ranging from 145°C to 170°C, which enhances the crystallinity of the oxygen barrier layer, primarily composed of Ethylene Vinyl Alcohol (EVOH). The claims further detail the mechanical properties of the film, including a modulus of elasticity exceeding 1500/mm² in both machine and transverse directions, and limited shrinkage of less than 15% in both directions.
Additional claims outline various characteristics of the film substrate, such as its transparency, gloss value, and thickness, which ranges from 10 to 240 µm. The oxygen barrier layer can be stretched in a solid state and may be subjected to significant stretching, exceeding 25 times its original dimensions. The patent also mentions the potential for the film to be provided with functional or aesthetic coatings and to be used in sealed packages or as wrapping for commercial articles. Overall, the patent emphasizes the film's enhanced barrier properties and mechanical performance, making it suitable for various packaging applications.
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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.
