Wednesday, July 8, 2026

Patent intelligence · US

US 6825259

Resin-coated scale-like inorganic particles and cosmetics with the same blended therein

expired A61KA61K8/25A61K8/29A61K8/8111
Status expired
Linked drugs 2
Pipeline programs 6
Years to expiry 0
Applicant portfolio 61
Patent details — US 6825259

Quick answer

US 6825259 (Resin-coated scale-like inorganic particles and cosmetics with the same blended therein) is held by CATALYSTS & CHEMICALS INDUSTRIES CO., LTD.. Status: expired. Granted Nov 30, 2004. Expires Nov 25, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
10
CPC classes
A61K, A61K8/25, A61K8/29, A61K8/8111

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Frequently asked questions

What is US patent 6825259?

US 6825259 (Resin-coated scale-like inorganic particles and cosmetics with the same blended therein) is held by CATALYSTS & CHEMICALS INDUSTRIES CO., LTD.. Status: expired. Granted Nov 30, 2004. Expires Nov 25, 2024 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6825259?

CATALYSTS & CHEMICALS INDUSTRIES CO., LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 61 pharmaceutical patents for this assignee.

When does US 6825259 expire?

Our index shows an expiration date of Nov 25, 2024 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.