CA Patent

CA2408137C — Oil-in-water emulsion formulation containing hydroquinone and retinol

Assigned to RP Scherer Technologies LLC · Expires 2011-04-19 · 15y expired

What this patent protects

An oil-in-water emulsion formulation containing hydroquinone and retinol, which comprises an oil-in-water emulsion containing hydroquinone entrapped in absorbent micro-agglomerates or impregnated in porous microparticles and retinol-impregnated microparticles.

USPTO Abstract

An oil-in-water emulsion formulation containing hydroquinone and retinol, which comprises an oil-in-water emulsion containing hydroquinone entrapped in absorbent micro-agglomerates or impregnated in porous microparticles and retinol-impregnated microparticles.

Drugs covered by this patent

Patent Metadata

Patent number
CA2408137C
Jurisdiction
CA
Classification
—
Expires
2011-04-19
Drug substance claim
No
Drug product claim
No
Assignee
RP Scherer Technologies 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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