Patent · US Active

Delivery of hydrophobic active agent particles

US11529440B2 · kind B2 · utility

1Cited by

124References

13Claims

0Family size

Assignee

Surmodics, Inc. · US

Inventors

Joram Slager · St. Louis Park, US
Toni M. Heyer · St. Louis Park, US
David E. Babcock · Lafayette, US

Key dates

Filing date	Apr 13, 2020
Grant date	Dec 20, 2022
Priority date	—
Expiry date	Apr 13, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12N2320/32
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Embodiments of the invention include drug delivery coatings and devices including the same. In an embodiment, the invention includes a drug delivery coating including a polymeric layer. The polymeric layer can include a hydrophilic outer surface. The coating can also include a matrix contacting the hydrophilic outer surface. The matrix can include a particulate hydrophobic therapeutic agent and a cationic agent. The polymeric layer can further include a hydrophilic polymer having pendent photoreactive groups and a photo-crosslinker including two aryl ketone functionalities. Other embodiments are also included herein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.