Substituted 2-aminotetralins
CA 1286681 C · Owner: Nelson Research & Development Company · Inventors: Horn, Alan S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides compounds represented by the general formula, where R2, R3 and R4 are each selected from the group consisting of H, and OA; is H or -C-R5; R5 is selected O, from the group consisting of alkyl and aromatic residues n is 2 or 3; and R1 is selected from the group consisting wherein R6 is selected from the group consisting of halogen, hydrocarbyl and hetero atom-substituted hydrocarbyl, comprising from 1 to 12 carbon atoms and wherein said hetero-atoms are selected from the group consisting of halogen, nitrogen, oxygen sulfur and, phosphorus R7 i R6 or H and m equals 1 2 or 3; with the, proviso that at least one of R2 R3 and R4 is H, that at, least one of R2 R3 and R4 is …
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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.