CA Patent

CA2627982A1 — Soft anticholinergic esters

Assigned to Individual · Expires 2007-05-24 · 19y expired

What this patent protects

Soft anticholinergic esters of the formulas (Ia) or (Ib): wherein R1 and R2 are both phenyl or one of R1 and R2 is phenyl and the other is cyclopentyl; R is C1-C8 alkyl, straight or branched chain; and X" is an anion with a single negative charge; and wherein each asterisk m…

USPTO Abstract

Soft anticholinergic esters of the formulas (Ia) or (Ib): wherein R1 and R2 are both phenyl or one of R1 and R2 is phenyl and the other is cyclopentyl; R is C1-C8 alkyl, straight or branched chain; and X" is an anion with a single negative charge; and wherein each asterisk marks a chiral center; said compound having the R, S or RS stereoisomeric configuration at each chiral center unless specified otherwise, or being a mixture thereof.

Drugs covered by this patent

Patent Metadata

Patent number
CA2627982A1
Jurisdiction
CA
Classification
—
Expires
2007-05-24
Drug substance claim
No
Drug product claim
No
Assignee
Individual
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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