Carbon has been granted a patent for resins suitable for additive manufacturing, producing bioresorbable, flexible, and elastic objects. The resin includes a bioresorbable polyester oligomer, non-reactive diluent, and a photoinitiator. This innovation opens new possibilities in the field of 3D printing. GlobalData’s report on Carbon 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 Carbon, Spacecraft 3D Printing was a key innovation area identified from patents. Carbon's grant share as of January 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11884774B2) discloses a resin formulation designed for the additive manufacturing of flexible or elastic bioresorbable objects. The resin composition includes a (meth)acrylate terminated bioresorbable polyester oligomer, a non-reactive diluent, and a photoinitiator. The oligomer can be linear or branched, with degradable ester linkages between various constituents such as caprolactone, lactide, glycolide, and others. The molecular weight of the oligomer ranges from 5 to 15 kilodaltons, and it can be in the form of ABA, BAB, CBC, or BCB blocks.
Furthermore, the resin formulation may contain additional ingredients such as reactive diluents, pigments, fillers, and pharmaceutical compounds. The method for producing flexible or elastic bioresorbable objects involves photopolymerizing the resin through additive manufacturing, followed by post-processing steps like cleaning, UV exposure, and extraction of residual diluent. The resulting objects can be dried to remove extraction solvents and produced in enlarged form to offset any shrinkage that may occur during post-processing. Overall, the patent aims to provide a comprehensive solution for creating bioresorbable objects with specific mechanical properties and biodegradability, opening up possibilities for various applications in the medical and industrial 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 across the world’s largest industries.
