US Patent

US9308191 — Dental anesthetic comprising tetracaine and a vasoconstrictor for intranasal administration

Method of Use · Assigned to ST RENATUS LLC · Expires 2030-04-02 · 4y remaining

Vulnerability score 68/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a dental anesthetic formulation containing tetracaine and a vasoconstrictor for intranasal administration.

USPTO Abstract

The present invention relates to tetracaine based anesthetic formulations and methods of use thereof. The invention further relates to topical formulations of tetracaine and methods of topically anesthetizing body tissues. The present invention also relates to tetracaine based dental anesthetic formulations and methods for anesthetizing the maxillary dental arch using these formulations.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

Code	Description	Drug
`U-1876`	—

Patent Metadata

Patent number: US9308191
Jurisdiction: US
Classification: Method of Use
Expires: 2030-04-02
Drug substance claim: No
Drug product claim: Yes
Assignee: ST RENATUS 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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