Orsted has been granted a patent for a composition containing bitumen, plasticity modifying agents, and lignin with improved mixing properties. The composition may also include additional components, with the lignin having a Lignin Ion Exchange Capacity (LIEC) of 0.4 mol/kg dry matter (DM) or less. GlobalData’s report on Orsted 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 Orsted, DC-DC converters was a key innovation area identified from patents. Orsted's grant share as of February 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.
Composition with bitumen, plasticity agents, lignin, improved mixing properties
A recently granted patent (Publication Number: US11898014B2) discloses a composition for asphalt applications, comprising bitumen, plasticity modifying agents, lignin, and optional additional components. The lignin used in the composition has a specific Lignin Ion Exchange Capacity (LIEC) of 0.4 mol/kg dry matter (DM) or less. The lignin is obtained through a process involving hydrothermal pretreatment of lignocellulosic biomass, followed by hydrolysis and fermentation steps. The process aims to produce a lignin component with the desired LIEC value for improved asphalt performance.
The patent further details various aspects of the composition, including the isolation of lignin from different fractions, the temperature and residence time parameters for hydrothermal pretreatment, the enzymes involved in hydrolysis, and the conditions for fermentation. Additionally, the patent covers the use of different types of lignocellulosic biomass, the absence of acid or base addition during pretreatment, and the characteristics of the lignin obtained, such as phenolic OH content and sulfur content. The composition also includes specific types of bitumen and further components like aggregates, fillers, and active components to enhance its properties for sealing and asphalt applications. The patent highlights the versatility of the composition by offering variations in the types of plasticity modifying agents, including plastomers, thermoplastic elastomers, rubbers, viscosity modifiers, and reactive polymers, to tailor the asphalt composition for different requirements.
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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.
