Expired Canadian patentCanada
Immunoassay for hiv-1 antigens using f(ab')2 fragments as probe
CA 1340109 C · Owner: Abbott Laboratories · Inventors: Stewart, James Lawrence; Ketchum, Susan K.; Stumph, Robert J.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a probe for the detection of HIV 1 antigens comprising, anti-HIV 1 F(ab')2 fragments. The invention further provides an immunoassay with enhanced specificity.
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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 November 3, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2015.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 8, 1989
GrantedNovember 3, 1998
Term endedNovember 3, 2015
Patent numberCA 1340109 C
Classification (IPC)G01N33/56 +2 more
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.