Inhibition of cytokine production
CA 2317839 A1 · Owner: Eagles, Peter Anthony Minter · Inventors: Eagles, Peter Anthony Minter; Zheng, Richard Qihao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a ds-DNA oligomer which has from 25 to 150 base pairs preferably 25 to 50 base pairs, and comprises the palindrome-containing sequence (one strand only shown) of formula (1): 5'B1... xN...B 2 3' wherein , B1 is ttgg or ccaa and B2 is correspondingly ccaa or ttgg and xN represents from 1 to 30 native nucleotides of substantially the native promoter sequence together with the complementary strand the oligomer being modified to make it resistant to degradation and denaturing in vivo. This oligomer or a vector carrying the palindrome-containing sequence (but not necessarily with the modification and not limited by any upper limit on the length of the oligomer …
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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 January 20, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 20, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 20, 2021.
- 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.