X-ray film with hydrophilic layer containing developing and fixing agents
CA 1061157 A · Owner: Kosti, Carl M. · Inventors: Kosti, Carl M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure This invention relates to x-ray photography and more specifically to a film sensitive to x-rays wherein both developing and fixing chemicals are contained within a single hydrophilic layer of the film. The film, following exposure can simply be, placed in water for both development and fixing and without employing separate aqueous alkaline developers and aqueous acidic fixers.
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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 1996.
- 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.