Method and composition for treating viral infections
CA 2084331 A1 · Owner: Tanaka, S. Ken · Inventors: Tanaka, S. Ken; Steinbach, Thomas; Wagle, Sudhakar S.
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 substantially pure peptide composition having antiviral activity. These peptides are characterized by having a molecular weight of from between 5,000 to 40,000 Daltons. These peptides are further characterized by having at its 5' end the amino acids shown in Sequence Id. No. 1 and its 3' end either Sequence Id. Nos. 4 or 6. Additionally this peptide is further characterized at its 5' end by being coded for DNA sequence shown in Sequence Id. No. 3. This composition can be used to treat viral infections, in particular HIV and HHV-6.
Read the whole patent
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 December 2, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2014.
- 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.