Kodiak Sciences has been granted a patent for random copolymers containing zwitterions and functional agents. The copolymers consist of phosphorylcholine and other monomers randomly distributed throughout the polymer, with multiple polymer arms extending from a branched initiator fragment. GlobalData’s report on Kodiak Sciences 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 Kodiak Sciences, Nanoparticle drug conjugates was a key innovation area identified from patents. Kodiak Sciences's grant share as of January 2024 was 31%. Grant share is based on the ratio of number of grants to total number of patents.

Random copolymers containing zwitterions and functional agents

Source: United States Patent and Trademark Office (USPTO). Credit: Kodiak Sciences Inc

A recently granted patent (Publication Number: US11819531B2) discloses a novel random copolymer with unique properties. The copolymer comprises a first monomer containing phosphorylcholine and a second monomer linked to a functional agent. These monomers, selected from a specific group, are distributed randomly throughout the polymer, which has multiple arms extending from a branched initiator fragment. The copolymer can have varying numbers of polymer arms and monomer ratios, with a defined molecular weight and polydispersity.

Furthermore, the patent claims cover various aspects of the random copolymer, including the structure of the branched initiator fragment, the type of functional agents linked to the monomers, and the specific ratios and molecular weights of the copolymer. The copolymer can be tailored for different applications by selecting appropriate functional agents, such as bioactive agents, imaging agents, or diagnostic agents. The method of making the copolymer involves free radical polymerization of the monomer mixture under specific conditions, ensuring the formation of the desired multiple arms random copolymer. This patented technology opens up possibilities for the development of advanced materials with diverse functionalities and applications in various fields.

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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