Symbol of the Government of Canada

Canadian Patents Database

Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.

Patent Summary

(12) Patent: (11) CA 2137363
(54) English Title: USE OF ZONA PELLUCIDA GLYCOPROTEINS FOR IMMUNOCONTRACEPTION
(54) French Title: UTILISATION DE GLYCOPROTEINES DE LA MEMBRANE PELLUCIDE A DES FINS D'IMMUNOCONTRACEPTION

Abstracts

English Abstract



A vaccine for the immunocontraception of mammals is described. The vaccine consists of zona pellucida antigens and an
adjuvant encapsulated in a liposome delivery system. The liposome delivery system allows for the slow release of antigen resulting
in a prolonged immune response. In particular, after a single injection of the vaccine, levels of anti-zona pellucida antibodies
were detected for up to 22 months. Thus, the vaccine according to the present invention is effective after a single dose and is
therefore very useful in immunocontraceptive protocols.



Patent Details

(51) International Patent Classification (IPC):
  • A61K 39/00 (2006.01)
  • A61K 9/127 (2006.01)
(72) Inventors (Country):
  • BROWN, ROBERT (Canada)
  • KIMMINS, WARWICK (Canada)
  • MEZEI, MICHAEL (Canada)
  • POHAJDAK, BILL (Canada)
(73) Owners (Country):
  • IMMUNOVACCINE TECHNOLOGIES INC. (Canada)
(71) Applicants (Country):
  • DALHOUSIE UNIVERSITY (Canada)
(74) Agent: SMART & BIGGAR
(45) Issued: 1999-06-15
(86) PCT Filing Date: 1993-06-07
(87) PCT Publication Date: 1993-12-23
Examination requested: 1997-11-03
(30) Availability of licence: N/A
(30) Language of filing: English

(30) Application Priority Data:
Application No. Country Date
892,807 United States of America 1992-06-05

View or Download Images

Click on a link under View Patent Image to view a section of the image or click on a link under Download Patent Image in PDF format to download a section of the image in PDF format.

If you have any difficulty accessing content, you can call the Client Service Centre at 1-866-997-1936 or send them an e-mail at CIPO Client Service Centre.

View Patent Image Download Patent Image in PDF Format Size of Image (KB) Number of Pages
Cover Page Cover Page 27 1
Abstract Abstract 45 1
Claims Claims 35 2
Description Description 725 19
Drawings Drawings N/A N/A
Representative Drawing Representative Drawing N/A N/A

PDF Readers.