Wednesday, July 8, 2026

Patent intelligence · US

US 8293267

Method for preparing an antimicrobial cotton of cellulose matrix having chemically and/or physically bonded silver and antimicrobial cotton …

granted A61KA61K33/38A61K9/00A61P
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 6
Applicant portfolio 66
Patent details — US 8293267
Jurisdiction
US
Status
granted
Grant date
Oct 23, 2012
Expiration
Oct 18, 2032
Applicant
Biotech, Inc.
Claims
16
CPC classes
A61K, A61K33/38, A61K9/00, A61P
View on Google Patents ↗

Quick answer

US 8293267 (Method for preparing an antimicrobial cotton of cellulose matrix having chemically and/or physically bonded silver and antimicrobial cotton prepared therefrom) is held by Biotech, Inc.. Status: granted. Granted Oct 23, 2012. Expires Oct 18, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Applicant
Biotech, Inc.
Grant date
Expiration
Claims
16
CPC classes
A61K, A61K33/38, A61K9/00, A61P, A61P31/04

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Frequently asked questions

What is US patent 8293267?

US 8293267 (Method for preparing an antimicrobial cotton of cellulose matrix having chemically and/or physically bonded silver and antimicrobial cotton prepared therefrom) is held by Biotech, Inc.. Status: granted. Granted Oct 23, 2012. Expires Oct 18, 2032 (6 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8293267?

Biotech, Inc. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 66 pharmaceutical patents for this assignee.

When does US 8293267 expire?

Our index shows an expiration date of Oct 18, 2032 (6 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.