Dye mixtures for sublimation heat-sensitive transfer recording
CA 1232452 A · Owner: Mitsubishi Chemical Industries Limited · Inventors: Murata, Yukichi; Maeda, Shuichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dye mixture for heat-sensitive transfer recording which comprises a dye A of the general formula: wherein R25, R26 and R27 each represents C1 - C8 straightchain or branched-chain alkyl and a dye B of the general formula:, wherein R28, R29 and R30 each represents C1 - C8 each represents straight-chain or branched-chain alkyl.
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 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
- 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.