Patent Yard Sign in
Expired Canadian patentCanada

Radioactive iodine labeled phenolic amines

CA 1248551 A · Owner: State University Of New York · Inventors: Blau, Monte; Kung, Hank F.; Tramposch, Kenneth M.

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

Abstract, The invention is accomplished by the formation at the site of use of the radioactive amine of the invention which is then injected immediately into the mammal for diagnostic purposes. The compounds of the invention are as follows: In the above compound, R1, R2, R3 and R4 are independently any straight or branched alkyl of between 1 and about 10 carbons; n may be between 1 and about 20. In the invention the radio labeling of the invention, compound is accomplished immediately prior to use of the radio labeled material. The compounds of the invention when boiled for about 15 minutes with iodine-123, a radioactive material undergo, a substitution of radioactive for non-radioactive …

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 January 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 8, 1983
GrantedJanuary 10, 1989
Term endedJanuary 10, 2006
Patent numberCA 1248551 A
Classification (IPC)A61K51/04

Timeline

Timeline From CIPO dates

19841987199019931996199920022005Application filedApril 8, 1983Patent grantedJan 10, 1989Term endedJan 10, 2006

Sources & verification

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