CA Patent

CA2851588C — Tablet comprising 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1h-quinolin-2-one or a salt thereof

Assigned to Otsuka Pharmaceutical Co Ltd · Expires 2019-07-02 · 7y expired

What this patent protects

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 c…

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
CA2851588C
Jurisdiction
CA
Classification
Expires
2019-07-02
Drug substance claim
No
Drug product claim
No
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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