Abstract: The invention relates to an illumination device, comprising a base body, at least one light module and at least two functional units having different functionalities to one another, which are adapted to be optionally connected to the base body, each functional unit being adapted to be connected to and disconnected from the base body in a repeatable manner, so that, depending on the requirement, a predetermined functional unit can be inserted into the base body or replaced by another functional unit, each functional unit having a mechanical interface which is configured substantially in the same way across all functional units and which is adapted to engage with a matching receptacle on the base body such that the respective functional unit is secured to the base body.

Abstract: The instant invention relates to certain cross-linked polyamides and their use in the paper and board industry for improving dry strength. The polyamide from the reaction of a di- or tri-primary amine with a di- or tri- or tetra carboxylic acid is further reacted with a di- or tri-functional cross-linking compound to give a cationic or anionic product with no reactive groups.

Abstract: The instant invention relates to the use of compounds derived from the esterification reaction of alkoxylated amines and fatty acids, optionally quaternised with an alkylating agent, and of the cationic surfactants and esterquats obtainable therefrom, as softening agents in the textile and paper industry and in the field of personal care.