Choleretics
CA 1069053 A · Owner: Hisamitsu Pharmaceutical Co. · Inventors: Kodama, Ryuhei; Igimi, Hirotsune; Furukawa, Kazuhide
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to the choleretics which consist of as effective ingredients one or more than two limonene derivatives selected from p-mentha-1,8-diene p-menth-1-ene-8,9-, diol, 9-acetoxy-p-menth-1-en-8-ol and 9-propionyloxy-p-menth-1en-8-ol, possessing a markedly high choleretic activity as compared to that of the conventional choleretics and ensuring a high safety for medical use. -1-
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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
- 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.