Patents
US 12275703 B2: Highly purified batches of pharmaceutical grade migalastat and methods of producing the same
- Granted
- 2025-04-15
- Filed
- 2023-06-26 application 18214002
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)-1-butyl-2-(hydroxymethyl)piperidine-3,4,5-triol hydrochloride (lucerastat hydrochloride) and other 1-deoxygalactonojirimycin compounds, as well as methods of purifying intermediate grade lucerastat hydrochloride and other 1-deoxygalactonojirimycin compounds.
Source: PVGPATDIS, file of 2026-04-10 (ipg250415.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Amicus Therapeutics, Inc. 158 patents | US company or organization | Philadelphia, PA | AMICUS THERAPEUTICS, INC. Form D issuer EXACT high confidence: identical full name and state AMICUS THERAPEUTICS, INC. SEC filer EXACT medium confidence: identical full name, one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Kamlesh Sheth | Adams, NJ | 11 | PVGPATDIS, file of 2026-04-10 | |
| Sergey Tesler | Monroe, NJ | 8 | PVGPATDIS, file of 2026-04-10 | |
| James Cartwright | Far Bletchley, GB | 3 | PVGPATDIS, file of 2026-04-10 | |
| Clive King | Far Bletchley, GB | 3 | PVGPATDIS, file of 2026-04-10 | |
| Wendy Cross | Far Bletchley, GB | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C07D | Heterocyclic compounds | C07D211/46 | PVGPATDIS, file of 2026-04-10 |
| C07B | General methods of organic chemistry; apparatus therefor | C07B2200/13 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-04-27 | Release of security interest Release of security interest | WILMINGTON TRUST, NATIONAL ASSOCIATION signed 2026-04-27 | AMICUS THERAPEUTICS, INC. PHILADELPHIA, PA | 75494/30 | PASDL, file of 2026-08-13 |
| 2026-04-27 | Security interest Security interest Security interest | BIOMARIN PHARMACEUTICAL INC. signed 2026-04-27 AMICUS THERAPEUTICS, INC. signed 2026-04-27 | CITIBANK, N.A., AS COLLATERAL AGENT NEW YORK, NY | 75493/968 | PASDL, file of 2026-10-15 |
| 2023-10-06 | Security interest Security interest Security interest | AMICUS THERAPEUTICS, INC. signed 2023-10-05 | WILMINGTON TRUST, NATIONAL ASSOCIATION MINNEAPOLIS, MN | 65177/196 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.