Antigens related to the aids virus glycoprotein envelope, especially precursors of this glycoprotein, methods for obtaining theses antigens and measures applied in these methods, applications of these antigens to the preparation of immunogen compositions or for the diagnosis of aids or related conditions

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

• Granted February 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 2008.
• We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.