CPC Subgroup
A61K 47/6893 Full Title
Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting 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 non-active ingredient being a modifying agent > the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment