Patent Yard Sign in
Expired Canadian patentCanada

Immunoenzymatic method for the determination of anti-plasmodium falciparum-sporozoite antibodies

CA 1331129 C · Owner: Bernardi, Adriano · Inventors: Nuzzolo, Carlo; Pessi, Antonello; Verdini, Antonio Silvio

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

An immunoenzymatic method for the detection of anti-Plasmodium falciparum-sporozoite antibodies in a sample of human blood, which operates, in homogeneous phase and, under suitable conditions, with a synthetic polypeptidic antigen (P), a synthetic antigen-enzyme (P-E) conjugate wherein said antigen is capable of specifically reacting with the anti-Plasmodium falciparum-sporozoite antibodies (Ab) possibly present in the sample, and an inert substance capable of quantitatively precipitating the antibodysynthetic antigen-enzyme complex (Ab-P-E). The method thanks to its specificity, sensibility reproducibility and, rapidity, is particularly useful in the epidemiological investigations into …

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 August 2, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 2, 2011.
  • 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 21, 1989
GrantedAugust 2, 1994
Term endedAugust 2, 2011
Patent numberCA 1331129 C
Classification (IPC)G01N33/56 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedApril 21, 1989Patent grantedAug 2, 1994Term endedAug 2, 2011

Sources & verification

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