IPC Classification

All sections
A - Human necessities
A61K - Preparations for medical, dental or toiletry purposes
A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit

Patent holdings for IPC class A61K 47/69

297	582	639	692	730	704	720	760	710	86
2017	2018	2019	2020	2021	2022	2023	2024	2025	2026

Owner	All patents	This class
The Regents of the University of California	20378	164
Northwestern University	3483	99
Axsome Therapeutics, Inc.	311	98
Massachusetts Institute of Technology	10172	86
Mayo Foundation for Medical Education and Research	3336	76
The Johns Hopkins University	5774	68
The Brigham and Women's Hospital, Inc.	2244	54
President and Fellows of Harvard College	6053	51
Centre National de La Recherche Scientifique	10805	50
The Trustees of the University of Pennsylvania	4384	47
The Board of Trustees of the Leland Stanford Junior University	6587	43
L.e.a.f. Holdings Group LLC	118	43
Case Western Reserve University	1859	41
Wisconsin Alumni Research Foundation	3918	40
The Regents of the University of Michigan	4846	40
Cornell University	3382	40
The United States of America, as represented by the Secretary, Department of Health and Human Services	2945	40
Selecta Biosciences, Inc.	183	38
Yale University	2463	37
Board of Regents, The University of Texas System	6010	36
Other owners		5619