OMV has been granted a patent for a multilayer element (LE) that can be used to produce articles. The multilayer element consists of a first layer element, an interlayer element, and a second layer element. The interlayer element is made of a polymer composition that includes a copolymer of ethylene with polar comonomers and has specific melt flow rate and melting temperature properties. The interlayer element is in contact with the first and second layer elements and has a thickness ranging from 0.03 mm to 3.0 mm. GlobalData’s report on OMV 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 OMV, Corrosion resistant fuel additives was a key innovation area identified from patents. OMV's grant share as of September 2023 was 50%. Grant share is based on the ratio of number of grants to total number of patents.

Patent granted for a multilayer element with specific layer composition

Source: United States Patent and Trademark Office (USPTO). Credit: OMV AG

A recently granted patent (Publication Number: US11760067B2) describes a multilayer element (LE) and a laminated glass layer element (GLE) for use in construction applications, bridges, vehicles, production equipment, household devices, projection applications, and furniture. The multilayer element consists of a first layer element, an interlayer element, and a second layer element. The first layer element can be a glass layer or a polymeric layer, while the second layer element can be a glass layer element or a polymeric layer element. The interlayer element is made up of a polymer composition comprising a copolymer of ethylene (a) with one or more polar comonomers, such as (C1-C6)-alkyl acrylate or (C1-C6)-alkyl (C1-C6)-alkylacrylate comonomers. The copolymer of ethylene (a) has specific melt flow rate and melting temperature properties. The interlayer element is in adhering contact with the first and second layer elements and has a thickness ranging from 0.03 mm to 3.0 mm.

The patent also discloses a process for producing the multilayer element (LE) or the laminated glass layer element (GLE). The process involves assembling the first layer element, interlayer element, and second layer element into a multilayer assembly, laminating the layers at elevated temperature (optionally under vacuum conditions), and recovering the resulting multilayer element (LE) or laminated glass element (GLE). In some embodiments, the polymer composition of the interlayer element is crosslinked using a peroxide or a silanol condensation catalyst (SCC) during the extrusion process.

The patent claims various embodiments, including different compositions and proportions of the copolymer of ethylene and polar comonomers, as well as the presence of silane groups in the copolymer. The polar comonomer can be present in the copolymer in amounts ranging from 0.5 to 30.0 mol %. The silane group(s) containing unit is a hydrolysable unsaturated silane compound. The patent also mentions the use of a high-pressure polymerization process with a radical initiator to produce the copolymers.

Overall, this patent describes a multilayer element and a laminated glass layer element with specific compositions and properties, as well as a process for their production. These elements can find applications in various industries, including construction, automotive, and furniture.

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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. 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.