Human parvovirus peptides with disulfide bridge for immunization or diagnosis
CA 2053240 A1 · Owner: Trojnar, Jerzy · Inventors: Fridell, Eva; Wahren, Britta; Trojnar, Jerzy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An artificial peptide having an amino acid sequence which corresponds to a naturally occurring amino acid sequence of a human parvovirus comprising an epitope and which further has two cysteine residues located on each side of said epitope and further having , a sulphur bridge between said two cysteine residues which has, been formed by a chemical oxidation step is described. Furthermore, an artificial antigen which reacts with antibodies induced by a human parvovirus is described. Said antigen mainly consists of an artificial peptide according to the invention. Additionally a , method of detecting antibodies induced by a human parvovirus in a sample of body fluid, wherein said sample is …
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 April 25, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 25, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 25, 2012.
- 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.