Regulation of immunoglobulin production by interleukin-9
CA 2093434 C · Owner: Druez, Catherine · Inventors: Uyttenhove, Catherine; Van Snick, Jacques; Renauld, Jean-Christophe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for inhibiting production of IgE and a method for enhancing , production of IgG are taught. The methods are linked to the role of interleukin-9 in antibody production. Specifically production of IgG is potentiated by administering either to a subject or a cell culture a combination of interleukin-4 and interleukin- 9. Production of IgE is inhibited by administering an amount of an interleukin-9 inhibitor to a subject.
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 October 1, 1991 and granted August 10, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 1, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2013.
- 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.