Anticholinergic Agents Patent US12606549B2, Rezubio Pharma
Summary
The USPTO granted US Patent 12606549B2 to Rezubio Pharmaceuticals Co., Ltd covering muscarinic acetylcholine receptor antagonist compounds (including M3 antagonists) and pharmaceutical compositions for treating hyperhidrosis. The patent contains 19 claims and names Yusheng Xiong and Hongping Guan as inventors.
What changed
Rezubio Pharmaceuticals Co., Ltd received US Patent 12606549B2 from the USPTO, covering anticholinergic compounds acting as muscarinic acetylcholine receptor antagonists (particularly M3 antagonists) and related pharmaceutical compositions. The patent, granted April 21, 2026, is based on Application No. 18254405 filed November 24, 2021.
Pharmaceutical companies developing treatments for hyperhidrosis or other conditions treatable by muscarinic receptor antagonism should evaluate this patent as potential prior art. Competitors pursuing similar M3 antagonist compounds may need to assess freedom to operate or consider licensing discussions with Rezubio Pharmaceuticals.
Archived snapshot
Apr 21, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Anticholinergic agents
Grant US12606549B2 Kind: B2 Apr 21, 2026
Assignee
REZUBIO PHARMACEUTICALS CO., LTD
Inventors
Yusheng Xiong, Hongping Guan
Abstract
Compounds shown in Formula (I), pharmaceutical compositions, and methods of using related to muscarinic acetylcholine receptors. The compounds herein are typically muscarinic acetylcholine receptor antagonists, such as M3 antagonists, which can be used for treating a variety of disorders, conditions or diseases such as hyperhidrosis.
CPC Classifications
C07D 413/12 C07D 207/08 C07D 207/12
Filing Date
2021-11-24
Application No.
18254405
Claims
19
Mentioned entities
Parties
Related changes
Get daily alerts for USPTO Patent Grants - Organic Chemistry (C07D)
Daily digest delivered to your inbox.
Free. Unsubscribe anytime.
Source
About this page
Every important government, regulator, and court update from around the world. One place. Real-time. Free. Our mission
Source document text, dates, docket IDs, and authority are extracted directly from USPTO.
The summary, classification, recommended actions, deadlines, and penalty information are AI-generated from the original text and may contain errors. Always verify against the source document.
Classification
Who this affects
Taxonomy
Browse Categories
Get alerts for this source
We'll email you when USPTO Patent Grants - Organic Chemistry (C07D) publishes new changes.
Subscribed!
Optional. Filters your digest to exactly the updates that matter to you.