Patent ID: 8597685

Claim:
A collection consisting of: particles comprising ibuprofen; wherein the particles have an average particle size of from 0.1 to 3 mm; wherein at least 90% of the particles have a length-width ratio of from about 1.1 to about 1.2; and wherein said particles are prepared by a method including the following stages: (a) providing a melt of the ibuprofen; (b) producing droplets of the melt by spraying into a processing chamber; (c) repeatedly guiding solid particles of ibuprofen past sprayed droplets in the processing chamber with the aid of a process gas jet which is guided in a defined way and whose temperature is about 40° C. to about 45° C. so that at least some of the droplets come into contact with the guided particles and solidify thereon; and (d) removing particles from the processing chamber as a function of the particle size.