Wednesday, July 8, 2026

Patent intelligence · US

US 8835505

Ready-to-use co-solvents pharmaceutical composition in modified flexible plastic container

granted A61KA61K31/195A61K31/216A61K47/10
Status granted
Linked drugs 3
Pipeline programs 6
Years to expiry 8
Applicant portfolio 34
Patent details — US 8835505
Jurisdiction
US
Status
granted
Grant date
Sep 16, 2014
Expiration
Sep 11, 2034
Claims
18
CPC classes
A61K, A61K31/195, A61K31/216, A61K47/10
View on Google Patents ↗

Quick answer

US 8835505 (Ready-to-use co-solvents pharmaceutical composition in modified flexible plastic container) is held by Welgrace Research Group. Status: granted. Granted Sep 16, 2014. Expires Sep 11, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
18
CPC classes
A61K, A61K31/195, A61K31/216, A61K47/10, A61K47/12, A61K9/0019

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Frequently asked questions

What is US patent 8835505?

US 8835505 (Ready-to-use co-solvents pharmaceutical composition in modified flexible plastic container) is held by Welgrace Research Group. Status: granted. Granted Sep 16, 2014. Expires Sep 11, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8835505?

Welgrace Research Group is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 34 pharmaceutical patents for this assignee.

When does US 8835505 expire?

Our index shows an expiration date of Sep 11, 2034 (8 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.