A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K9/00
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
A61K9/209
containing drug in at least two layers or in the core and in at least one outer layer