178533 ⎘
Holographic processes or apparatus using light, infra-red or ultra-violet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto; Details of features involved during the holographic process; Replication of holograms without interference recording; Hologram nature or properties Surface relief holograms
Preserved and enhanced holographic and optically variable devices and method for making the same
#302Continually variable demetallization of metallized films and similar objects
#303Apparatus for handling minute object
#304Covert surface relief hologram design, fabrication and optical reconstruction for security applications
#305Patterned structures with optically variable effects
#306Edible holographic products, particularly pharmaceuticals and methods and apparatus for producing same
#307Fakeproof electrocasting plate
#308Digitally watermarking holograms
#309Object identifying medium using multi-layer thin-film
#310Volume hologram resin composition, surface relief hologram resin composition, and hologram layer, hologram transfer foil and brittle hologram label using the same
#311Method for producing hologram by pico-second laser
#312Surface relief structure
#313Optical security device
#314Polyolefin film with embossed surface
#315Diffractive device
#316Flakes comprising non-chiral liquid crystal material
#317Optical recording material, optical recording medium and optical recording/reproducing apparatus
#318Optical element
#319Optically variable element comprising a partial transparent element
#320Method of attaching hologram films to printed matter
#321Optically variable element having a variable distance-layer thickness
#322Security element with flip-flop color change effect and magnetic properties, article compromising such a security element and method for producing said security element and said article
#323Tinted holographic printing material
#324Optically variable security device and method
#325Holographic reticle and patterning method
#326Identifying medium and identifying method for object
#327Optically variable security devices
#328Security element and security document with one such security element
#329Alignable diffractive pigment flakes
#330Lens and optical head device
#331Seamless embossing shim
#332Solvent-resisting holographic film and manufacture thereof
#333Patterned reflective optical structures
#334Security element with diffraction structures
#335Holographic shrink wrap element and method for manufacture thereof