Cyclic sulphenamide compounds, their production and their medicinal use
CA 1183141 A · Owner: Bayer Aktiengesellschaft · Inventors: Busse, Wolf-Dieter; Mardin, Mithat; Krauthausen, Edmund
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to cyclic sulphenamides of the formula, wherein, Z is oxygen or sulphur R1 is an optionally substituted hydrocarbon group and, R2 to R5 are optionally substituted hydrocarbon groups which may be linked to the ring via an oxygen sulphur, or nitrogen atom, it being possible for two such radicals to form an additional bond in the ring or to be taken together to form an ylidene, spiro or fused substituent. The new cyclic sulphenamides are of use in medicine as lipoxygenase inhibitors.
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 February 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 2002.
- 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.