Fabrica Nacional de Moneda Y Timbre - Real Casa de La Moneda granted patent in Spain for security paper and the method for producing it; invention combines security elements called windowed thread with high contrast, single-tone watermark technique

MADRID , June 18, 2014 () – Fabrica Nacional de Moneda Y Timbre - Real Casa de La Moneda has been granted a patent for security paper, production method thereof and security document produced from same. This invention was developed by Garcia Juez Vicente and Garcia Cuadrado Carlos.

The patent application number is ES20090717020T 20090306. The patent publication number is ES2464284 (T3). International Patent Classification codes are D21F1/44, D21H21/42 and D21H21/48. Cooperative Patent Classification codes are D21F1/44, D21H21/42 and D21H21/48.

According to the abstract released by the Spanish Patent and Trademark Office: "The invention consists in a security paper, as well as the security document obtained with it and the manufacturing process thereof, that combines the security elements called windowed thread with the high contrast single-tone watermark technique. In order to carry out this invention, we make use of the recesses created to cover the thread in the areas where it is visible, which exhibit a greater accumulation of fibres and are therefore opaque areas in the final paper, to insert therein the electrotype or high contrast single-tone watermarks."

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