US Patent

US10774072 — Crystal of N-substituted sulfonamide compound

Composition of Matter · Assigned to Ube Industries Ltd · Expires 2035-06-10 · 9y remaining

Vulnerability score 12/100 Ironclad — strong claim type, well-established, deep family

What this patent protects

This patent protects a method for producing N-substituted sulfonamide compounds through a chemical reaction involving a sulfonamide compound and a halogenated organic compound.

USPTO Abstract

The present invention relates to a method for producing N-substituted sulfonamide compounds including a step of reacting a sulfonamide compound of general formula (1) with a halogenated organic compound of general formula (2) in the presence of cesium carbonate or potassium carbonate in an organic solvent to produce an N-substituted sulfonamide compound of general formula (3).

Drugs covered by this patent

Patent Metadata

Patent number
US10774072
Jurisdiction
US
Classification
Composition of Matter
Expires
2035-06-10
Drug substance claim
Yes
Drug product claim
No
Assignee
Ube Industries 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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