Patent intelligence · US
US 11564891
Chloroquine gel and preparation method and application thereof
Chloroquine gel and preparation method and application thereof
Patent details — US 11564891
- Jurisdiction
- US
- Status
- granted
- Grant date
- Jan 31, 2023
- Expiration
- Jan 26, 2043
- Applicant
- GUANGZHOU HYBRIBIO BIOTECH LTD.
- Claims
- 7
- CPC classes
- A61K, A61K31/4706, A61K9/0034, A61K9/06
Quick answer
US 11564891 (Chloroquine gel and preparation method and application thereof) is held by GUANGZHOU HYBRIBIO BIOTECH LTD.. Status: granted. Granted Jan 31, 2023. Expires Jan 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.
Key facts
- Applicant
- GUANGZHOU HYBRIBIO BIOTECH LTD.
- Grant date
- Expiration
- Claims
- 7
- CPC classes
- A61K, A61K31/4706, A61K9/0034, A61K9/06, A61K9/5161, A61P
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Frequently asked questions
What is US patent 11564891?
US 11564891 (Chloroquine gel and preparation method and application thereof) is held by GUANGZHOU HYBRIBIO BIOTECH LTD.. Status: granted. Granted Jan 31, 2023. Expires Jan 26, 2043 (17 years remaining) — relevant for patent-cliff and LOE planning.
Who owns US 11564891?
GUANGZHOU HYBRIBIO BIOTECH LTD. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 21 pharmaceutical patents for this assignee.
When does US 11564891 expire?
Our index shows an expiration date of Jan 26, 2043 (17 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.