Abstract: The invention relates to a system, a method and the use of the system according to the invention for controlling undesirable plants, in particular on railway tracks, using electrical energy.

Abstract: The invention relates to a system, a method and the use of the system according to the invention for controlling undesirable plants, in particular on railway tracks, using electrical energy.

Abstract: The present invention relates to a novel type of information carrier, on which information is stored in the form of diffraction structures. The information carrier according to the invention can be read by being drawn manually through a reading device. The present invention also relates to a device with which an information carrier according to the invention can be read.

Abstract: The present invention relates to a novel type of information carrier, onto which information is stored in the form of diffraction structures. An information carrier according to the present invention can be read by being drawn manually through a reading device. The present invention also relates to a device with which an information carrier according to the invention can be read.

Abstract: The subject matter of the invention relates to a system (1) and to a method for securely processing information, particularly sensitive information by means of a signature and/or encryption principle, comprising at least the following: a mobile passive first storage unit (1) for retrievably storing first information, a processing device (3) which is adapted for interacting with the first storage unit (2) in order to process information, comprising: a decryption-protected second storage unit (6) for retrievably storing second information corresponding to the first information, a computer unit (5) for (cryptographically) processing information, an information transmission unit (4), for transmitting the information of the first and/or the second storage unit (2, 6) to the computer unit (5).

Abstract: The present invention relates to a method for the production of polarization holograms, an apparatus for the production of polarization holograms and the use of the polarization holograms according to the invention as data stores, security features or diffractive optical elements for performing conventional optical functions.

Abstract: The present invention relates to a novel type of information carrier, on which information is stored in the form of diffraction structures. The information carrier according to the invention can be read by being drawn manually through a reading device. The present invention also relates to a device with which an information carrier according to the invention can be read.

Abstract: The present invention relates to optical storage layers and optical storage media having improved properties for the storage of information, data and images, containing an optical storage material produced from a mixture of at least one photoaddressable polymer and at least one additive, and the production and use thereof. In addition, the invention relates to optical security elements containing an optical storage material comprising at least one photoaddressable polymer and at least one additive.

Abstract: The subject matter of the invention relates to a system (1) and to a method for securely processing information, particularly sensitive information by means of a signature and/or encryption principle, comprising at least the following: a mobile passive first storage unit (1) for retrievably storing first information, a processing device (3) which is adapted for interacting with the first storage unit (2) in order to process information, comprising: a decryption-protected second storage unit (6) for retrievably storing second information corresponding to the first information, a computer unit (5) for (cryptographically) processing information, an information transmission unit (4), for transmitting the information of the first and/or the second storage unit (2, 6) to the computer unit (5).

Abstract: The present invention relates to a method for the production of polarization holograms, an apparatus for the production of polarization holograms and the use of the polarization holograms according to the invention as data stores, security features or diffractive optical elements for performing conventional optical functions.

Abstract: A method is described of treating aluminium-metal alloys with organic or inorganic bases by exposing them to an aqueous solution of the base, removing the aqueous base and washing the treated alloy material, the leaching process being monitored, during the time of exposure to the base, on the basis of the potential which is established at a measuring electrode as a result of the treated aluminium-metal alloy and the hydrogen which may be formed during the reaction.

Abstract: The invention is directed towards a process for the epoxidation of olefins, using molecular oxygen and hydrogen, characterized in that, as catalyst, a compound comprising gold, preferably in nanometer size, on a support material, in which the support material is comprised of Scandium, Yttrium, Lanthanide, Zirconium, Hafnium, Vanadium, Niobium, Tantalum, Chromium, Molybdenum and/or Tungsten and is essentially free of titanium is applied, and a compound comprising gold, preferably in nanometer size, on a support material, in which the support material is comprised of Scandium, Yttrium, Lanthanide, Zirconium, Hafnium, Vanadium, Niobium, Tantalum, Chromium, Molybdenum and/or Tungsten and is essentially free of titanium, a process for the preparation of said compounds and a method of catalyzing a chemical reaction through conducting said chemical reaction in the presence of said compound.