Adrenergic compounds
CA 1286675 C · Owner: Abbott Laboratories · Inventors: Debernardis, John Francis; Winn, Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1,2,3,3a,8,8a-Hexahydro-Indeno1,2-cPyrroles Abstract of the Disclosure, Disclosed herein are 1,2,3,3a,8,8a-hexahydroindeno1,2-cpyrroles represented by the formula wherein R1 is hydrogen, loweralkyl, arylalkyl loweracyl or benzoalkylenedioxy; R2 and R3 may be the same or different and are loweralkoxy halo, thiomethyl, loweracyl, NR2R3, NHSO2R2 or arylalkoxy or R2 and R3 taken together may form a methylenedioxy or ethylenedioxy bridge. The compounds of the present invention can be used for treating hypertension.
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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 2008.
- 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.