Printing and coating processes employing pigmented water based foamed compositions
CA 1190809 A · Owner: Foamink Company · Inventors: Rosner, Charles A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A printing process employing a water-based foamable ink composition comprising the following steps: (a) foaming the ink composition, (b) applying a coating of the foamed ink composition to the surface of a, gravure cylinder which has an array of open cells spaced on the surface, thereof (c) doctoring the surface of the cylinder to convert said coating into discrete, thin membranes spanning said cells and, (d) transferring the membranes to a web surface, either directly, or indirectly via one or more intermediate transfer, rolls.
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 July 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2002.
- 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.