Wednesday, July 8, 2026

Patent intelligence · US

US 6426076

Ascorbic acid as an adjuvant in the treatment of malignant tumors using chemotherapy and radiotherapy

expired A61KA61K31/375A61K31/40A61K31/475
Status expired
Linked drugs 1
Pipeline programs 6
Years to expiry 0
Applicant portfolio 60
Patent details — US 6426076
Jurisdiction
US
Status
expired
Grant date
Jul 30, 2002
Expiration
Jul 25, 2022
Claims
14
CPC classes
A61K, A61K31/375, A61K31/40, A61K31/475
View on Google Patents ↗

Quick answer

US 6426076 (Ascorbic acid as an adjuvant in the treatment of malignant tumors using chemotherapy and radiotherapy) is held by PASCO Pharmazeutische Präparate GmbH. Status: expired. Granted Jul 30, 2002. Expires Jul 25, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
14
CPC classes
A61K, A61K31/375, A61K31/40, A61K31/475, A61K31/505, A61K31/70

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Frequently asked questions

What is US patent 6426076?

US 6426076 (Ascorbic acid as an adjuvant in the treatment of malignant tumors using chemotherapy and radiotherapy) is held by PASCO Pharmazeutische Präparate GmbH. Status: expired. Granted Jul 30, 2002. Expires Jul 25, 2022 (0 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 6426076?

PASCO Pharmazeutische Präparate GmbH is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 60 pharmaceutical patents for this assignee.

When does US 6426076 expire?

Our index shows an expiration date of Jul 25, 2022 (0 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.