CA Patent

CA2814195A1 — Crystal of 6,7-unsaturated-7-carbamoyl morphinan derivative and method for producing the same

Assigned to Shionogi and Co Ltd · Expires 2012-05-18 · 14y expired

What this patent protects

The present invention provides a compound represented by Formula (IA): an acid addition salt thereof, and/or stable crystals of solvates thereof. The crystals are extremely useful as an active ingredient for producing pharmaceutical products. The present invention further provide…

USPTO Abstract

The present invention provides a compound represented by Formula (IA): an acid addition salt thereof, and/or stable crystals of solvates thereof. The crystals are extremely useful as an active ingredient for producing pharmaceutical products. The present invention further provides a novel method for producing a 6,7-unsaturated-7-carbamoyl morphinane derivative.

Drugs covered by this patent

Patent Metadata

Patent number
CA2814195A1
Jurisdiction
CA
Classification
—
Expires
2012-05-18
Drug substance claim
No
Drug product claim
No
Assignee
Shionogi and 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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