Cytological and histological fixative composition and methods of use
CA 2335747 A1 · Owner: Guirguis, Raouf A. · Inventors: El-Amin, Mariana; Guirguis, Raouf A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a fixative composition the use of the , fixative composition in preparing cytological or histological specimens and a , method of preparing particulate matter such as cytology, hematology and , microbiology specimens for examination by collecting the particulate matter in a uniform layer, preferably a monolayer and fixing the particles in a , composition according to the present invention. The cytological hematological, microbiological and histological fixative composition of the present invention contains an aldehyde cross-linker a polyol and a detergent. , The method of the present invention for preserving the particulate or histological specimen …
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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
- Filed June 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 30, 2021.
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Timeline
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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.