Patent Yard Sign in
Expired Canadian patentCanada

Cancer cell-combatting lymphocytes, process for the production thereof and anticancer agents containing said lymphocytes

CA 1201988 A · Owner: Otsuka Pharmaceutical Co. Ltd. · Inventors: Adachi, Masakazu

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

This invention relates to a cancer cellcombatting lympocyte, a process for the production of such lymphocytes, and an anticancer drug containing the lymphocyte as an active ingredient. The lymphocytes have a glyco-related antigen which is derived from the cancer cells. The antigen is a cancer cell membrane component capable of combining with a lectin which can combine with a terminal galactose or a terminal Nacetylgalactosamine and which is isolated from a cancer cell membrane component with the lectin. These new lymphocytes effectively and specifically combat cancer cells and the anticancer agents contain the lymphocytes which use the immune response of the lymphocytes are proven effective.

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 March 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 18, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 30, 1982
GrantedMarch 18, 1986
Term endedMarch 18, 2003
Patent numberCA 1201988 A
Classification (IPC)A61K39/00 +2 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedJune 30, 1982Patent grantedMarch 18, 1986Term endedMarch 18, 2003

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.