Abstract: The invention relates to an identification document (10) for identifying a person with a coloured identification image (50) with a carrier (12) has a personalization area (14) for receiving image information, wherein the personalization area comprises a recording layer (20) for receiving first image information, a lens arrangement (22) for viewing the first image information, and a partially transparent print layer (26) formed on the lens arrangement for receiving second image information. The first image information contains a black-and-white positive image (54) of the person as a first partial image information and a black-and-white negative image (64) of the person as a second partial image information.

Abstract: The present invention relates to polyphosphazenes, polyurethanes based on these polyphosphazenes, methods for their manufacture and hydrogels based on the polyurethanes. The invention further relates to the use of the hydrogels in medical, veterinary and agricultural applications. The terminal ends of the polyphosphazenes bear NCO-reactive hydrogen atoms for reaction with polyisocyanates.