US Patent

US9079928 — Methylphenidate-oxoacid conjugates, processes of making and using the same

Formulation · Assigned to KemPharm Inc · Expires 2032-07-27 · 6y remaining

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

What this patent protects

This patent protects prodrugs and compositions for treating various diseases and disorders, comprising methylphenidate or its derivatives conjugated to certain compounds.

USPTO Abstract

The present technology is directed to prodrugs and compositions for the treatment of various diseases and/or disorders comprising methylphenidate, or methylphenidate derivatives, conjugated to at least one alcohol, amine, oxoacid, thiol, or derivatives thereof. In some embodiments, the conjugates further include at least one linker. The present technology also relates to the synthesis of methylphenidate, or methylphenidate derivatives, conjugated to at least one alcohol, amine, oxoacid, thiol, or derivatives thereof or combinations thereof.

Drugs covered by this patent

Patent Metadata

Patent number
US9079928
Jurisdiction
US
Classification
Formulation
Expires
2032-07-27
Drug substance claim
No
Drug product claim
Yes
Assignee
KemPharm Inc
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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