GB Patent

GB8711802D0 — Dithioacetal compounds

Assigned to Fujisawa Pharmaceutical Co Ltd · Expires 1987-06-24 · 39y expired

What this patent protects

A dithioacetal compound of the formula : <CHEM> wherein R<1> is lower alkyl, di-(lower)alkylamino, aryl, or heterocyclic group which may have one or more substituents selected from halogen, lower alkyl, lower alkoxy and phenyl, R<2> and R<3> are each lowe…

USPTO Abstract

A dithioacetal compound of the formula : <CHEM> wherein R<1> is lower alkyl, di-(lower)alkylamino, aryl, or heterocyclic group which may have one or more substituents selected from halogen, lower alkyl, lower alkoxy and phenyl, R<2> and R<3> are each lower alkyl, aryl or ar-(lower)alkyl, or R<2> and R<3> are together to form 1,3-dithian ring, R<4> is hydrogen or lower alkoxy, and n is O or an integer 1 to 4 and pharmaceutically acceptable salts thereof, processes for their preparation and pharmaceutical compositions comprising them as an active ingredient.

Drugs covered by this patent

Patent Metadata

Patent number
GB8711802D0
Jurisdiction
GB
Classification
Expires
1987-06-24
Drug substance claim
No
Drug product claim
No
Assignee
Fujisawa Pharmaceutical Co Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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