Sartorius has filed a patent for a chromatographic material with a self-supporting bi-continuous separation matrix for liquid media adsorptive material separation. The matrix includes a self-gelled polysaccharide and large diameter pores. The invention aims to improve separation efficiency in chromatography. GlobalData’s report on Sartorius 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 Sartorius, Hydrogen fuel cells was a key innovation area identified from patents. Sartorius's grant share as of January 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.

Chromatographic material with bi-continuous separation matrix

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

A patent application (Publication Number: US20240033711A1) describes a novel chromatographic material for use in separation processes. The material consists of a polymer network-based self-supporting bi-continuous separation matrix with a first continuous phase formed by a self-gelled polysaccharide and a second continuous phase defining non-cylindrical large diameter continuously connected convective pores. The material may also include a third inert phase that does not constitute the structure of the second continuous phase. The unique design of the material allows for efficient separation processes with specific characteristics such as median pore diameter, convective porosity, permeability, and coefficient of variance.

The patent application further details a method for producing the chromatographic material, involving the preparation of solutions containing self-gelling polysaccharides, surfactants, and solvents, followed by emulsification and gelation processes. Specific polysaccharides like agarose are highlighted for their use in the method, along with the importance of surfactant selection and solvent properties. The method aims to create a chromatographic material with precise characteristics by controlling factors such as temperature, concentration, and volume ratios during the production process. Overall, the patent application presents a comprehensive approach to developing a unique chromatographic material and method that could potentially enhance separation processes in various industries.

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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