Static resistant x-ray intensifying screens
CA 1257151 A · Owner: E. I. Du Pont De Nemours And Company · Inventors: Christini, Theodore P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, IMPROVED STATIC RESISTANT, X-RAY INTENSIFYING SCREENS ABSTRACT OF THE DISCLOSURE, X-ray intensifying screen comprising in, order, support; fluorescent phosphor containing active layer; and protective topcoat which is a flexible film of a fluorine containing polymer the, topcoat being energy treated under oxidative condition, e.g. corona discharge, etc. and having an antistatic agent applied thereto, e.g. from a solution containing at least 0.1% by weight of an anionic, cationic, nonionic or amphoteric antistatic agent. The X-ray intensifying screens have improved resistance to static.
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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 July 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 11, 2006.
- 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.