Inventor

TZIOVARAS GEORGIOS

DE20 patents

⚠️ This page may combine multiple inventors who share the name “TZIOVARAS GEORGIOS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TZIOVARAS GEORGIOS

COVESTRO DEUTSCHLAND AG

Layer structure with engraving as visible security element

Method for the partial coloring of plastic parts

Process for partial colouring of plastic parts using solid colourants in colour- carrier layers

Method for the partial colouring of plastic parts

Plastic films for ID documents having improved properties for laser engraving and improved chemical resistance

Plastic film for printing by dye diffusion thermal transfer printing

Plastic films for ID documents with better lightness of embossed holograms

Layered structures with cutting lines

COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG

Method for the partial coloring of plastic parts

Layer structure with modified structure, and production thereof

Plastic films having high Vicat softening temperature in layered structures

Layer structure for producing a hinge, in particular for producing multi-layered book covers

BAYER MATERIALSCIENCE AG

Polycarbonate-based security documents and/or documents of value with a hologram in the card body

Security document and/or document of value containing a visually changeable window with a hologram

PUDLEINER HEINZ

Layered structure and films for ID documents having improved properties for laser engraving

ID cards with blocked laser engraving writability

PETZOLDT JOACHIM

Security and/or valuable documents with a top layer with a scratch-resistant finish

BAYER AG

Method of making metallized plastic moldings and their use

BAYER IP GMBH

Plastic film for printing by dye diffusion thermal transfer printing

BUNDESDRUCKEREI GMBH

Data sheet for a security and/or value document