Compositions hardenable by uv radiations comprising an unsaturated epoxy resin ester and an unsatured monomer
CA 1111597 A · Owner: Societa' Italiana Resine S.I.R. S.P.A. · Inventors: Vargiu, Silvio; Carpaneti, Edoardo; Passalenti, Beppino
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition hardenable by means of ultra-violet radiations, which comprises (a) an unsaturated epoxy resin ester obtained by reacting an epoxy or epoxy novolak resin with an unsaturated monocarboxylic fatty acid with 18 carbon atoms per molecule and with acrylic and/or methacrylic acid the fatty acid being used in an amount of 20-80 moles for each 100 moles of the sum of the acids, (b) a mono- or polyfunctional unsaturated monomer and (c) a photosensitive substance. She composition comprises 3-97 parts by weight of component (a) and 1.2-3.5 parts by weight of component (c) for each 100 parts by weight of the sum of components (a) and (b).
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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 October 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1998.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.