System and method for protecting an occupant in a vehicle seat, through the use of an occupant protection system is disclosed, wherein the vehicle seat includes a backrest section and a seat section. The support member has or is connected to a flexible support device that is in supportive contact with the load and that is designed to flex dependent on a position of the support member. Also provided is a computer unit having a processor and a memory which has a ROM in which firmware is stored, andor which has a RAM, the memory having at least two logging functions for logging established memory errors, e. A cache manager can be notified that pages in a cache might be invalidated based on the modification via a page invalidation notice. In the process, an ester of general formula : R1COOR3, wherein R1 has the above-mentioned meaning, and R3 represents C1-6-alkyl, 4-nitrophenyl, 2,4-dinitrophenyl, succinimido or benzotriazole-1-yl, is reacted with hydroxylamine, a hydroxylamine derivative or with a hydroxylammonium salt, and the reaction product is alkylated in the presence of a phase transfer catalyst.