Saturday, July 11, 2026

Patent intelligence · US

US 7439013

Biocompatible polymer and filter for selectively eliminating leucocytes using the same

granted A61PA61P1/04A61P1/16A61P13/12
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 2
Applicant portfolio 132
Patent details — US 7439013
Jurisdiction
US
Status
granted
Grant date
Oct 21, 2008
Expiration
Oct 16, 2028
Claims
36
CPC classes
A61P, A61P1/04, A61P1/16, A61P13/12
View on Google Patents ↗

Quick answer

US 7439013 (Biocompatible polymer and filter for selectively eliminating leucocytes using the same) is held by ASAHI KASEI KURARAY MEDICAL CO., LTD.. Status: granted. Granted Oct 21, 2008. Expires Oct 16, 2028 (2 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
36
CPC classes
A61P, A61P1/04, A61P1/16, A61P13/12, A61P29/00, A61P37/02

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Frequently asked questions

What is US patent 7439013?

US 7439013 (Biocompatible polymer and filter for selectively eliminating leucocytes using the same) is held by ASAHI KASEI KURARAY MEDICAL CO., LTD.. Status: granted. Granted Oct 21, 2008. Expires Oct 16, 2028 (2 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 7439013?

ASAHI KASEI KURARAY MEDICAL CO., LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 132 pharmaceutical patents for this assignee.

When does US 7439013 expire?

Our index shows an expiration date of Oct 16, 2028 (2 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.