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Canadian application, no grantCanada

3-piperidyl-4-oxoquinazoline derivatives and pharmaceutical compositionscomprising the same

CA 2280705 A1 · Owner: Japan Tobacco Inc. · Inventors: Sato, Motohide; Kinoshita, Hajime; Katsushima, Takeo

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

3-Piperidyl-4-oxoquinazoline derivatives represented by general formula (I) or pharmaceutically acceptable salts thereof wherein R represents amino , substituted by optionally substituted aryl or optionally substituted heteroaryl, or cyclic amino such as dibenzazepine; n is an integer selected among 1 to 4; and R3 and R4 represent each hydrogen lower alkyl, etc. Because , of having an excellent MTP-inhibitory activity these compounds (I) are , expected as usable in inhibiting the formation of LDL causative of arteriosclerotic diseases and enabling the regulation of TG cholesterol and , lipoproteins such as LDL in the blood and cellular lipids via the regulation of the MTP activity. …

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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

  • Filed December 11, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 11, 1998
GrantedNo grant recorded
Term endedDecember 11, 2018
Patent numberCA 2280705 A1
Classification (IPC)C07D401/04 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedDec 11, 1998Term endedDec 11, 2018

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.