Patent Yard Sign in
Expired Canadian patentCanada

Preparations of islet amyloid polypeptide (iapp) and antibodies to iapp

CA 1341222 C · Owner: Westermark, Per · Inventors: Johnson, Kenneth H.; Westermark, Per

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

Islet amyloid polypeptide substantially free of islet amyloid which can be isolated from islet amyloid of different mammals and when isolated from humans it has the following amino acid sequence in positions 1-37: Lys-Cys-Asn-Thr-Ala-Thr-Cys-Ala- Thr-Gln-Arg-Leu-Ala-Asn-Phe-Leu-Val-His-Ser-Ser-Asn-Asn-Phe- Gly-Ala-Ile-Leu-Ser-Ser-Thr-Asn-Val-Gly-Ser-Asn-Thr-Tyr. While other attempts have been made to isolate and characterize the major component of islet amyloid none have, been successful. Proteins containing the amino acid sequence of the polypeptide or of active fragments of the polypeptide may be employed for diagnosis of disease related to the biological function of the polypeptide. The …

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 May 1, 2001. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 7, 1987
GrantedMay 1, 2001
Term endedMay 1, 2018
Patent numberCA 1341222 C
Classification (IPC)C07K14/47 +2 more

Timeline

Timeline From CIPO dates

19881992199620002004200820122016Application filedOct 7, 1987Patent grantedMay 1, 2001Term endedMay 1, 2018

Sources & verification

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