A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
9/00 Medicinal preparations characterised by special physical form
A61K9/20 Pills, tablets,; discs, rods
A61K9/2072 characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
A61K9/2086 Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat