Slow-release pharmaceutical agent
CA 1324081 C · Owner: Chugai Seiyaku Kabushiki Kaisha · Inventors: Iida, Yoshimitsu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
25-, SLOW-RELEASE PHARMACEUTICAL AGENT ABSTRACT:, Slow-release pharmaceutical agents which comprise at least one of adenine, cystine and tyrosine in combination with at least one pharmaceutically active substance are disclosed. The slow-release pharmaceutical agents which may be tablet, granule, implant, capsule troche, etc. can, either slowly release their active substances over time or release the active substances a predetermined time after their administration. And the slow-release pharmaceutical agent may be used with practically all types of drugs irrespective of whether they are water-soluble or slightly water-soluble, including hypotensives, antipyretic analgesic antiinflammatories, …
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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
- 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.