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Expired Canadian patentCanada

Drip tray tablet

CA 2543046 C · Owner: Novapharm Research (Australia) Pty Ltd · Inventors: Sava, Alex; Kritzler, Steven

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A tablet for use in a drip tray including an excipient selected so that the tablet will not fully dissolve in water at ambient temperature for a period of at least one month, more preferably up to 12 months a biocide, at least one , enzyme, preferably a proteolytic or hydrolase enzyme and enzyme preserving , means, such as a boron compound for maintaining enzyme activity in a moist environment. The excipient may be for example poly vinyl alcohols high , molecular weight polyethylene glycols high molecular weight polypropylene , glycols esters or partial esters of polyethylene glycols or of polypropylene glycols, and high molecular weight thermoplastic surfactants. The invention also …

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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

  • Filed October 20, 2004 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 20, 2024.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 20, 2004
GrantedSeptember 18, 2012
Term endedOctober 20, 2024
Patent numberCA 2543046 C
Classification (IPC)A01N25/08 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedOct 20, 2004Patent grantedSep 18, 2012Term endedOct 20, 2024

Sources & verification

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