N-substituted-arylalkyl and arylalkylene aminoheterocyclics as cardiovascular antihistaminic and antisecretory agents
CA 1291995 C · Owner: Shanklin, James R. Jr. · Inventors: Shanklin, James R. Jr.; Proakis, Anthony G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods of countering cardiovascular disturbances and the effects of histamine and excessive gastric secretion are disclosed wherein the active agents are expressed generally by the formula:, wherein:, p is zero one or two;, m is one to six inclusive; A is hydrogen, -O-R1, -C?N, -C(O)NR1R2 -C(O)R1, -C(O)-OR1, -CH2OR1, -CH2NR1R2 or -OC(O)R1;, Q is -CH-, -CH2- or , ;, d and n are zero or one and the dotted lines represent double bonds which may form consistent with the valence of carbon;, B is O, S, -S(O)-, -S(O)2-, , and -?-C(O)OR1; Ar, D and R are selected from phenyl and substituted phenyl with certain limitations, pyridinyl thienyl, furanyl or naphthyl and, in addition R may have the …
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 November 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 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.