Photoluminescent textile materials
CA 1102182 A · Owner: B.R.I.C. (Bureau De Recherche Pour L'Innovation Et La Convergence · Inventors: Van Schoote, Jacques; Gravisse, Philippe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Sheet materials are provided which are photoluminescent by virtue of their coating. These sheet materials comprise a textile or other flexible sheet material substrate to which adheres a coating layer consisting of one or more synthetic resins admixed with a photoluminescent complex the latter com-, prising(a) a phosphorescent metal sulphide such as zinc calcium, cadmium or strontium sulphide and (b) a first substance which absorbs energy of short wavelength and emits it within the absorption spectrum of the said sulphide and with or without (c) a second substance which is fluorescent and which imparts to the said sheet materials a daytime coloration different from their nighttime …
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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 June 2, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 1998.
- 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.