Imaged microcapsule-coated paper
CA 1259489 A · Owner: Arjo Wiggins Limited · Inventors: Townsend, Leslie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Imaged Microcapsule-Coated Paper Imaged microcapsule-coated paper, e.g. pressure-sensitive copying paper, is produced by imaging paper by means of laser energy and then applying a coating of microcapsules over the image. The image may be a manufacturer's name logo or trademark, and may be applied at high speed on the paper machine on which the paper is produced or on the coating machine used to apply the microcapsule coating.
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 September 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 19, 2006.
- 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.