Method of forming images from liquid masses
CA 1203106 A · Owner: Ciba-Geigy Investments Ltd. · Inventors: Irving, Edward; Smith, Terence J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Images are prepared by a process in which a layer supported, on a substrate, of a liquid composition comprising (a) an anaerobically polymerisable material and (b) a photopolymerisable material, is maintained in a substantially oxygen-free environment such that the composition solidifies. It is then exposed imagewise to actinic radiation and treated with a developer to remove parts of the layer which have not been struck by the radiation. The anaerobically polymerisable and photopolymerisable materials may be a mixture of two or more materials having these different functions, such as an acrylate ester with an azido compound or, the two functions may be combined in a single molecule. The …
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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 April 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 15, 2003.
- 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.