Photosensitive resin base printing material
CA 1325354 C · Owner: Nippon Paint Co. Ltd. · Inventors: Umeda, Yasushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A photosensitive resin base printing material in the form of laminate comprising, in successive order a support, a, photosensitive resin layer a slip layer of a high molecular, substance which is soluble or swellable in a developer an, optional releasing layer and a sheet or film form of protective layer, which is characterized by that a dyestuff is included in an amount of 0.01 to 20 % by weight of the high molecular substance in said slip layer. The present printing material is specifically excellent in resolution and far improved as compared with heretofore proposed printing materials in respect of both handling and visual inspection properties.
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 December 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 2010.
- 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.