Naphthalenylthiazole derivatives
CA 1211116 A · Owner: Sestanj, Kazimir · Inventors: Bellini, Francesco; Sestanj, Kazimir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein are new aldose reductase inhibitors of the formula wherein R is, or IMAGE>, wherein R1 is lower alkyl; R2 is halo and R3 is hydrogen or R2 and R3 each, is a substituent at positions 3 4, 5 or 6 of the naphthalene ring selected fromthe group consisting of lower alkoxy trihalomethyl, and halo; and R4 is lower alkyl. The derivatives are useful for treating or preventing diabetic complications.
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 September 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 2003.
- 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.