Wednesday, July 8, 2026

Patent intelligence · US

US 8048906

Optically pure and enriched isomers of chelating ligands and contrast agents

granted A61KA61K49/085A61K49/10A61K49/106
Status granted
Linked drugs 2
Pipeline programs 6
Years to expiry 5
Applicant portfolio 61
Patent details — US 8048906
Jurisdiction
US
Status
granted
Grant date
Nov 1, 2011
Expiration
Oct 27, 2031
Applicant
Catalyst Medical
Claims
33
CPC classes
A61K, A61K49/085, A61K49/10, A61K49/106
View on Google Patents ↗

Quick answer

US 8048906 (Optically pure and enriched isomers of chelating ligands and contrast agents) is held by Catalyst Medical. Status: granted. Granted Nov 1, 2011. Expires Oct 27, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Catalyst Medical
Grant date
Expiration
Claims
33
CPC classes
A61K, A61K49/085, A61K49/10, A61K49/106, A61K49/14

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Frequently asked questions

What is US patent 8048906?

US 8048906 (Optically pure and enriched isomers of chelating ligands and contrast agents) is held by Catalyst Medical. Status: granted. Granted Nov 1, 2011. Expires Oct 27, 2031 (5 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8048906?

Catalyst Medical is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 61 pharmaceutical patents for this assignee.

When does US 8048906 expire?

Our index shows an expiration date of Oct 27, 2031 (5 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.