Integral element for analysis of liquids
CA 1069420 A · Owner: Eastman Kodak Company · Inventors: Clement, Pierre L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, The present invention concerns a multilayer element for the analysis of liquids which comprises in the form of, an integral arrangement (1) a reagent layer including a, composition comprising material that is reactive or otherwise interactive in the presence of a substance to be analyzed (analyte) to provide a diffusible, detectable species and, (2) a registration layer that is permeable to the detectable species and within which such species, e.g. a dye can be, detected. The element also includes a spreading layer preferably separated from the registration layer by the reagent layer, to spread within itself at least a component of liquid applied to the element …
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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.