IP Library Granted Patent US 12,678,422
Granted Patent B2
US 12,678,422 · App. 17/862,117 · Granted Jul 14, 2026

Sulcardine salts

Inventors: Suzanne J. Romano (Carlsbad, CA); Hayley Ann Reece (Dalkeith, GB); Joseph Edward Gordon Benson (Edinburgh, GB); Sarah Collins (Edinburgh, GB); Gary T. Elliott (San Diego, CA); Mireille Gillings (San Diego, CA); Robert Goodenow (San Diego, CA); Curtis Tyree (San Diego, CA)
Assignee: HUYABIO International, LLC
A61K31/4025C07D295/135C07D403/10C07B2200/13
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Quick Facts
Patent No.
US 12,678,422
App. No.
17/862,117
Filed
Jul 11, 2022
Granted
Jul 14, 2026
Kind
B2
Art Unit
1699
USPC
514/422
Abstract

Sulcardine salts other than sulfuric acid salts of sulcardine, including crystalline sulcardine salts, are provided herein. Pharmaceutical compositions comprising such salts and methods of treating arrhythmias comprising administering effective amounts of such salts are also provided.

Claims (12)

1 . A solid form, comprising a crystalline hydrochloric acid salt of sulcardine characterized by an XRPD pattern comprising peaks at approximately 12.3, 13.0, and 17.8° 2θ.

2 . The solid form of claim 1 , wherein the XRPD pattern further comprises peaks at approximately 13.9, 17.4, and 23.9° 2θ.

3 . The solid form of claim 2 , wherein the XRPD pattern further comprises peaks at approximately 20.3 and 21.9° 2θ.

4 . The solid form of claim 1 , characterized by an XRPD pattern that matches the XRPD pattern presented in FIG. 17 .

5 . A solid form, comprising a crystalline hydrochloric acid salt of sulcardine characterized by an XRPD pattern comprising peaks at approximately 13.5, 19.6, and 20.6° 2θ.

6 . The solid form of claim 5 , wherein the XRPD pattern further comprises peaks at approximately 10.1, 11.8, and 16.4° 2θ.

7 . The solid form of claim 6 , wherein the XRPD pattern further comprises peaks at approximately 17.8, 19.4, and 25.5° 2θ.

8 . The solid form of claim 5 , characterized by an XRPD pattern that matches the XRPD pattern presented in FIG. 17 A .

9 . A pharmaceutical composition comprising one or more pharmaceutically acceptable excipients and a solid form, comprising a crystalline hydrochloric acid salt of sulcardine characterized by an XRPD pattern comprising peaks at approximately 12.3, 13.0, and 17.8° 2θ.

10 . The pharmaceutical composition of claim 9 , further comprising a capsule.

11 . A pharmaceutical composition comprising one or more pharmaceutically acceptable excipients and solid form, comprising a crystalline hydrochloric acid salt of sulcardine characterized by an XRPD pattern comprising peaks at approximately 13.5, 19.6, and 20.6° 2θ.

12 . The pharmaceutical composition of claim 11 , further comprising a capsule.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 6, 2025
From: ROMANO, SUZANNE J.; ELLIOTT, GARY T.; GILLINGS, MIREILLE; GOODENOW, ROBERT; TYREE, CURTIS
To: HUYA BIOSCIENCE INTERNATIONAL, LLC
Reel/Frame 069757/0055 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 6, 2025
From: HUYA BIOSCIENCE INTERNATIONAL, LLC
To: HUYABIO INTERNATIONAL, LLC
Reel/Frame 069827/0075 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 6, 2025
From: REECE, HALYLEY ANN; BENSON, JOSEPH EDWARD GORDON; COLLINS, SARAH
To: SOLID FORM SOLUTIONS, LTD.
Reel/Frame 070581/0363 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 6, 2025
From: SOLID FORM SOLUTIONS, LTD.
To: HUYA BIOSCIENCE INTERNATIONAL, LLC
Reel/Frame 070581/0496 →
SECURITY INTEREST Recorded Feb 21, 2024
From: HUYABIO INTERNATIONAL, LLC
To: R-BRIDGE INVESTMENT SIX PTE. LTD.
Reel/Frame 066515/0036 →
Continuity (5)
Continuation 16775142 · Jan 28, 2020
Provisional Application 62959687 · Jan 10, 2020
Provisional Application 62798467 · Jan 29, 2019
Related Publication 20220356319A1 · Nov 10, 2022
Related Publication 20250144072A9 · May 8, 2025
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