Heat-sensitive transfer ribbon
CA 1264417 C · Owner: Yamamoto, Kyoichi · Inventors: Imamura, Hirokatsu; Hirano, Takayasu; Mizobuchi, Akira
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a heat-sensitive transfer recording material to be used for heat-sensitive transfer recording such as thermal printer, and relates to a heatsensitive transfer ribbon having a heat-fusible ink layer provided on the surface of a polyester base film. And its specific feature resides in providing a heatsensitive protective layer containing a modified product of a 4-methyl-1-pentene polymer on the other surface of the polyester base film. The heat-sensitive transfer ribbon of the present invention having such heatsensitive protective layer provided thereon has excellent heat resistance and therefore has good high-speed transfer performance and can also prevent sticking. …
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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 January 16, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 2007.
- 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.