Use of polymeric mordants to increase the intensity of rigid fluorescent dyes
CA 1279562 C · Owner: Eastman Kodak Company · Inventors: Wu, Annie 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 Polymeric mordants are used with certain rigid fluorescent dyes or precursors thereof to increase fluorescence intensity. Compositions and analytical elements containing the mordants and dyes or dye precursors are useful in biological studies such as cell and tissue staining and cell cytometry and in analytical determinations for various analytes, e.g. living organisms.
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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 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2008.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.