Wednesday, July 8, 2026

Patent intelligence · US

US 6287590

Peptide/lipid complex formation by co-lyophilization

expired A61KA61K38/1709A61K47/62A61K9/1075
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 55
Patent details — US 6287590
Jurisdiction
US
Status
expired
Grant date
Sep 11, 2001
Expiration
Sep 6, 2021
Claims
61
CPC classes
A61K, A61K38/1709, A61K47/62, A61K9/1075
View on Google Patents ↗

Quick answer

US 6287590 (Peptide/lipid complex formation by co-lyophilization) is held by Esperion Therapeutics, Inc.. Status: expired. Granted Sep 11, 2001. Expires Sep 6, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
61
CPC classes
A61K, A61K38/1709, A61K47/62, A61K9/1075, A61K9/1275, A61K9/1277

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Frequently asked questions

What is US patent 6287590?

US 6287590 (Peptide/lipid complex formation by co-lyophilization) is held by Esperion Therapeutics, Inc.. Status: expired. Granted Sep 11, 2001. Expires Sep 6, 2021 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6287590?

Esperion Therapeutics, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 55 pharmaceutical patents for this assignee.

When does US 6287590 expire?

Our index shows an expiration date of Sep 6, 2021 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.