Hydroxypropyl methylcellulose powder compositions and applications

USPTO published patent application US20260090992A1 covering compositions in homogenized powder form comprising hydroxypropyl methylcellulose particles with mean diameters of ≥20μm to ≤500μm, at least one chemical signaling agent in particle form, and optionally a biologically active agent. The application includes 21 CPC classifications spanning various A61K drug formulations and multiple vitamin/nutrient compound classifications (A61K 31/07 through A61K 47/46).

This patent application, once granted, would provide intellectual property protection for the claimed pharmaceutical powder compositions and their uses. Pharmaceutical companies developing or manufacturing hydroxypropyl methylcellulose-based drug formulations should review the pending claims to assess potential freedom-to-operate implications. No immediate compliance action is required for pending patent applications; the implications will depend on whether the patent is ultimately granted and the scope of issued claims.