CA Patent

CA2711014C — Controlled release formulations of levodopa and uses thereof

Assigned to Impax Laboratories LLC · Expires 2018-10-23 · 8y expired

What this patent protects

The current invention provides a controlled release oral solid formulation of levodopa comprising levodopa, a decarboxylase inhibitor, and a carboxylic acid. Also provided by this invention is multiparticulate, controlled release oral solid for-mulations of levodopa comprising: i…

USPTO Abstract

The current invention provides a controlled release oral solid formulation of levodopa comprising levodopa, a decarboxylase inhibitor, and a carboxylic acid. Also provided by this invention is multiparticulate, controlled release oral solid for-mulations of levodopa comprising: i) a controlled release component comprising a mixture of levodopa, a decarboxylase inhibitor and a rate controlling excipient; ii) a carboxylic acid component; and iii) an immediate release component comprising a mixture of levodopa and a decarboxylase inhibitor.

Drugs covered by this patent

Patent Metadata

Patent number
CA2711014C
Jurisdiction
CA
Classification
—
Expires
2018-10-23
Drug substance claim
No
Drug product claim
No
Assignee
Impax Laboratories LLC
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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