Teat treating compositions, production and use
CA 2048924 C · Owner: Diversey Ip International Bv · Inventors: Corby, Michael Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A teat-treating composition comprising a biocide in an aqueous medium characterised in that it also comprises a pseudoplastically- or thixotropically-effective amount of Rhamsan gum is disclosed, as is the production thereof by mixing the components. Such compositions may be used to counter mastitis particularly in dairy cattle, by dipping or spraying cows' teats.
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
- Filed August 13, 1991 and granted February 11, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 13, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.