Becton Dickinson and Co had five patents in advanced materials during Q2 2024. Becton Dickinson and Co has developed methods for 3D printing objects using poly-4-hydroxybutyrate (P4HB) and copolymers. These methods include fused filament fabrication with specific apparatus and conditions to address feeding and heat creep issues, as well as other techniques like fused pellet deposition, melt extrusion deposition, selective laser melting, printing of slurries, and printing with binding solution and polymer granules. GlobalData’s report on Becton Dickinson and Co gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Becton Dickinson and Co had no grants in advanced materials as a theme in Q2 2024.
Recent Patents
Application: Methods for 3d printing of poly-4-hydroxybutyrate and copolymers (Patent ID: US20240149523A1)
The patent by Becton Dickinson and Co. describes methods for fabricating three-dimensional objects using 3D printing of poly-4-hydroxybutyrate (P4HB) and copolymers. Various techniques such as fused filament fabrication, fused pellet deposition, melt extrusion deposition, selective laser melting, and printing of slurries and solutions are employed. The methods involve specific apparatus configurations and conditions to address issues like poor filament feeding due to low softening temperatures and heat creep. Additionally, the patent outlines the use of a high-powered CO2 laser, specific granule sizes, and molecular weights for the polymer or copolymer, along with parameters like laser power, beam movement speed, and powder thickness for optimal printing.
Furthermore, the patent includes claims related to the fabrication process, such as the use of a moving powder bed, laser focusing on polymer powder, and control of print lines' dimensions. It also covers the preparation of polymer granules through cryo-milling or sieving and the incorporation of various other polymers or blends with P4HB. The patent extends to the creation of medical implants with bioactive agents, listing a wide range of potential agents from small molecules to nucleic acids. Overall, the patent provides a comprehensive guide for producing 3D objects using P4HB and copolymers through different printing methods and apparatus configurations, emphasizing precise control over various parameters to achieve desired outcomes.
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