Overcoat for dye image-receiving layer used in thermal dye transfer
CA 1296525 C · Owner: Bailey, David B. · Inventors: Yacobucci, Paul D.; Harrison, Daniel J.; Bailey, David B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A dye-receiving element for thermal dye transfer comprises a support having thereon a dye image-receiving layer, such as a polycarbonate coated with an overcoat layer comprising a condensation polymer comprising recurring units of a linear chain having at least four carbon atoms such, as a polyester or a polyurethane the overcoat layer, having a Tg of at least 40°C less than the Tg of the dye image-receiving layer. Use of the overcoat layer of the invention helps to destratify the dye and improves stability of the transferred dyes to light.
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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.