Cathartics containing prostaglandin derivatives
CA 1312014 C · Owner: Ueno, Ryuji · Inventors: Ueno, Ryuji; Ueno, Ryuzo; Oda, Tomio
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 cathartics having no substantive side-effects and comprising 15-keto-16-halogen-PGs as an essential ingredient. The cathartic effect is thought mainly to be caused by an enteropooling effect. The cathartics of the present invention are useful in the treatment or prevention of constipation. They may also be used to empty the intestine before inspection or operation or in the case of poisoning.
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 December 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 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.