Image receiving layer suitable for thermography for portable data carriers, and portable data carrier
CA 2612502 C · Owner: Giesecke+Devrient Mobile Security Gmbh · Inventors: Riedl, Josef; Ganz, Daniel; Schanzer, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The production of an image receiving layer (1) for taking up information (5) transmitted by transfer thermography and the utilization thereof in portable data carriers are proposed. According to the invention the image receiving , layer (1) is embodied in two layers with a carrier layer (2) and an acceptor layer (3) and is obtained by coextrusion from two starting materials of which , one is an amorphous polyester e.g. PETG, and the other is a mixture of PETG with 10 to 90% by weight of styrene polymer.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed June 16, 2006 and granted December 15, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 16, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.