Expired Canadian patentCanada
Method for screening and treatment
CA 1280690 C · Owner: Rhode Island Hospital · Inventors: Weltman, Joel K.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Treatment and screening materials and methods (as for cancer) are provided in which there is provided between a toxin and an anticancer antibody an intermediate antibody with an affinity for either the toxin or the anticancer antibody.
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 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 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.
FiledSeptember 29, 1986
GrantedFebruary 26, 1991
Term endedFebruary 26, 2008
Patent numberCA 1280690 C
Classification (IPC)A61K39/00 +2 more
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.