Veterinary compositions
CA 1308354 C · Owner: Pitman-Moore Inc. · Inventors: Baker, Rodney Cyril
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pharmaceutical compositions for release of a biologically active substance into a desired environment, comprising a biologically active substance a, water swellable polymer material and optionally one or more accessory ingredients, characterised in that the water-swellable polymer material constitutes no more than 7% by weight of the said composition. The compositions are particularly useful for oral administration to the rumen of an animal.
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 October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
- 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.