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Patent 2491665 Summary

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Claims and Abstract availability

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(12) Patent Application: (11) CA 2491665
(54) English Title: TABLET FORMULATION FOR THE SUSTAINED RELEASE OF ACTIVE SUBSTANCES
(54) French Title: FORMULATION DE COMPRIME POUR LIBERATION SOUTENUE DE PRINCIPE ACTIF
Status: Dead
Bibliographic Data
(51) International Patent Classification (IPC):
  • A61K 9/26 (2006.01)
  • A61K 9/22 (2006.01)
  • A61K 47/36 (2006.01)
(72) Inventors :
  • CARTILIER, LOUIS (Canada)
  • UNGUR, MIHAELA (Canada)
  • CHABLI, CHAFIC (Canada)
(73) Owners :
  • CARTILIER, LOUIS (Canada)
  • UNGUR, MIHAELA (Canada)
  • CHABLI, CHAFIC (Canada)
(71) Applicants :
  • UNIVERSITE DE MONTREAL (Canada)
(74) Agent: ROBIC
(74) Associate agent:
(45) Issued:
(22) Filed Date: 2004-12-24
(41) Open to Public Inspection: 2006-06-24
Availability of licence: N/A
(25) Language of filing: French

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

Sorry, the abstracts for patent document number 2491665 were not found.

Claims

Note: Claims are shown in the official language in which they were submitted.



191


REVENDICATION


1. Formulation de comprimé matriciel comprenant un mélange d'une matrice d'au
moins un polymère, d'au moins une substance ionique soluble et d'au moins un
principe actif; ladite formulation étant caractérisée en ce que:
- la matrice d'au moins un polymère est à base d'amidon à haute teneur en
amylose;
- l'au moins un polymère est associé à l'au moins une substance ionique
soluble; et
- le principe actif est inclus à l'intérieur de la matrice et est libéré de
façon
soutenue;
de sorte que le comprimé matriciel demeure intègre dans des conditions
données.

Description

Note: Descriptions are shown in the official language in which they were submitted.



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Representative Drawing

Sorry, the representative drawing for patent document number 2491665 was not found.

Administrative Status

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Administrative Status

Title Date
Forecasted Issue Date Unavailable
(22) Filed 2004-12-24
(41) Open to Public Inspection 2006-06-24
Dead Application 2007-03-29

Abandonment History

Abandonment Date Reason Reinstatement Date
2006-03-29 FAILURE TO RESPOND TO OFFICE LETTER
2006-12-27 FAILURE TO PAY APPLICATION MAINTENANCE FEE
2007-02-07 FAILURE TO COMPLETE

Payment History

Fee Type Anniversary Year Due Date Amount Paid Paid Date
Application Fee $200.00 2004-12-24
Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
CARTILIER, LOUIS
UNGUR, MIHAELA
CHABLI, CHAFIC
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
Documents

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Document
Description 		 Date
(yyyy-mm-dd) 		 Number of pages   Size of Image (KB) 
Description 2004-12-24 190 8,407
Claims 2004-12-24 1 16
Cover Page 2006-06-21 1 19
Abstract 2006-06-24 1 1
Correspondence 2005-02-08 1 29
Correspondence 2005-02-04 1 28
Assignment 2004-12-24 3 93
Correspondence 2006-11-06 1 20
Description 2004-12-24 2 447