Abstract: The present invention relates to a process for producing polymer microparticles laden with at least one aroma chemical, which comprises i. dissolving the at least one aroma chemical and an organic polymer composition, which contains at least one polyester as a main constituent, in a volatile organic solvent having a boiling point lower than the boiling point of the aroma chemical and having a solubility in water of at most 100 g/L at 20° C. and 1013 mbar, whereby a solution of the aroma chemical and the organic polymer composition is obtained; ii. emulsifying the solution obtained in step i. in an aqueous medium containing at least one dispersant; iii. removing the volatile organic solvent from the emulsion by evaporation at a temperature of below 80° C. and at a pressure below atmospheric pressure, whereby an aqueous suspension of the laden polymer microparticles is obtained.

Abstract: A method is proposed for distributed creation of a program for a programmable portable data carrier (10) e.g. a smart card. Program source text (Q) is created on a user computer (20), compiled and linked into executable program code (C) on a spatially separate compiler server (30), and the executable program code (C) loaded into data carrier (10) again via the user computer (20). A secure end-to-end link is set up for the data exchange between data carrier (10) and compiler server (30). For this purpose, the data carrier (10) is provided, in a precompletion step, with software tools for final processing that permit a transport code (U, CSSL, UCSM) provided in a transient format to be converted into executable program code (C). the transport code (U, CSSL, UCSM) is secured by encryption mechanisms. The transfer of the executable program code (C) generated by the compiler server (30) to the data carrier (10) is effected in the transient format (U, CSSL, UCSM).