Heat-sensitive transfer sheet
CA 1313799 C · Owner: Hikosaka, Michichika · Inventors: Yoshitomi, Tetsuro; Hikosaka, Michichika; Hanada, Koji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heat-sensitive transfer sheet comprising a base film, a first hot melt layer composed mainly of wax, a coloring layer comprising at least one colorant selected from the group consisting of dyes and pigments, and as a vehicle at least one resin selected from the group consisting of acrylic resins, styrene resins, ester resins, rosins vinyl, resins, acetal resins, polyamide resins rubbers and, cellulose derivatives and a second hot melt layer composed mainly of wax. These layers are formed on the base film in this order whereby the second hot melt layer is the top layer.
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
- Granted February 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 23, 2010.
- 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.