Wednesday, July 8, 2026

Patent intelligence · US

US 6028103

Triaryl methane compounds and analogues thereof useful for the treatment or prevention of sickle cell disease or diseases characterized by a…

expired A61PA61P35/00A61P43/00
Status expired
Linked drugs 2
Pipeline programs 6
Years to expiry 0
Applicant portfolio 4
Patent details — US 6028103

Quick answer

US 6028103 (Triaryl methane compounds and analogues thereof useful for the treatment or prevention of sickle cell disease or diseases characterized by abnormal cell proliferation) is held by Ion Pharmaceuticals, Inc.. Status: expired. Granted Feb 22, 2000. Expires Feb 17, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
42
CPC classes
A61P, A61P35/00, A61P43/00

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Frequently asked questions

What is US patent 6028103?

US 6028103 (Triaryl methane compounds and analogues thereof useful for the treatment or prevention of sickle cell disease or diseases characterized by abnormal cell proliferation) is held by Ion Pharmaceuticals, Inc.. Status: expired. Granted Feb 22, 2000. Expires Feb 17, 2020 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6028103?

Ion Pharmaceuticals, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 4 pharmaceutical patents for this assignee.

When does US 6028103 expire?

Our index shows an expiration date of Feb 17, 2020 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.