US Patent

US10307419 — Tablet comprising 7-[4-(4-benzo[b]thiopen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or a salt thereof

Formulation · Assigned to Otsuka Pharmaceutical Co Ltd · Expires 2032-10-12 · 6y remaining

Vulnerability score 42/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a tablet formulation containing 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or a salt thereof.

USPTO Abstract

This invention relates to a tablet containing, as an active ingredient, 7-[4-(4-benzo[b]thiophen-4-yl -piperazin-1-yl)butoxy]-1H-quinolin-2-one or a salt thereof, that has excellent disintegration ability, storage stability and photostability. The tablet of the present invention comprising an uncoated tablet containing 7-[4-(4-benzo[b]thiophen-4 -yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or a salt thereof as an active ingredient, excipients such as lactose, corn starch, and microcrystalline cellulose; disintegrants such as low-substituted hydroxypropylcellulose, croscarmellose sodium, and sodium carboxymethyl starch; binders such as hydroxypropylcellulose; lubricants such as stearate; and further comprising a coating layer, containing hypromellose; talc; titanium oxide; colorant; and the like, the coating layer being applied to the surface of the uncoated tablet.

Drugs covered by this patent

Patent Metadata

Patent number
US10307419
Jurisdiction
US
Classification
Formulation
Expires
2032-10-12
Drug substance claim
No
Drug product claim
Yes
Assignee
Otsuka 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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