Silver halide emulsions and photographic elements containing composite grains
CA 1210624 A · Owner: Eastman Kodak Company · Inventors: Maskasky, Joe E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Radiation-sensitive emulsions and photographic elements incorporating these emulsions are disclosed. In the emulsions silver halide host grains of a face centered cubic rock salt type crystal structure are present. Nonisomorphic silver salt of areally limited epitaxial compatibility is located on and substantially confined to selected sites of the host grains.
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 September 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 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.