US Patent

US9480652 — Aerosol valve

Formulation · Assigned to BTG International Ltd · Expires 2032-05-12 · 6y remaining

Vulnerability score 48/100 Strong — defensible against typical IPR challenges

What this patent protects

This patent protects a steam-sterilizable aerosol valve made from a specific type of polymeric material.

USPTO Abstract

A steam-sterilizable aerosol valve has a valve body of polymeric material such as polyphenylene sulfone (PPSU) having an HDT (heat deflection temperature) at 1.8 MPa stress in the range of 200-275° C. Such a valve has the ability to survive steam sterilization without significant degradation of properties or appearance.

Drugs covered by this patent

Patent Metadata

Patent number
US9480652
Jurisdiction
US
Classification
Formulation
Expires
2032-05-12
Drug substance claim
No
Drug product claim
Yes
Assignee
BTG International 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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