Patents
US 12435028 B2: Processes for the preparation of (S)-tert-butyl 4,5-diamino-5-oxopentanoate
- Granted
- 2025-10-07
- Filed
- 2024-01-31 application 18428938
- Type
- Utility · 6 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided are processes for the preparation of (S)-tert-butyl 4,5-diamino-5-oxopentanoate, or a salt, solvate, hydrate, enantiomer, mixture of enantiomers, or isotopologue thereof. Also provided are solid forms of various intermediates and products obtained from the processes.
Source: PVGPATDIS, file of 2026-04-10 (ipg251007.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Celgene Corporation 413 patents | US company or organization | Summit, NJ | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| John F. Traverse | Lebanon, NJ | 28 | PVGPATDIS, file of 2026-04-10 | |
| Michael J. Zacuto | Jersey City, NJ | 12 | PVGPATDIS, file of 2026-04-10 | |
| Weihong Zhang | Highland Park, NJ | 31 | PVGPATDIS, file of 2026-04-10 | |
| Kirsten Faye Johnson | Morristown, NJ | 4 | PVGPATDIS, file of 2026-04-10 | |
| Maryll E. Geherty | Pennington, NJ | 7 | PVGPATDIS, file of 2026-04-10 | |
| Christopher Marton | Garwood, NJ | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C07C | Acyclic or carbocyclic compounds | C07C231/18 | PVGPATDIS, file of 2026-04-10 |
| C07D | Heterocyclic compounds | C07D209/46 | PVGPATDIS, file of 2026-04-10 |
| Y02P | Climate change mitigation technologies in the production or processing of goods | Y02P20/55 | 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 |
|---|---|---|---|---|---|
| 2024-02-22 | Assignment Assignment of assignor's interest | GEHERTY, MARYLL E. signed 2018-10-08 MARTON, CHRISTOPHER signed 2018-10-08 TRAVERSE, JOHN F. signed 2018-10-08 ZHANG, WEIHONG signed 2018-10-08 JOHNSON, KIRSTEN FAYE signed 2018-10-10 ZACUTO, MICHAEL J. signed 2018-10-10 | CELGENE CORPORATION SUMMIT, NJ | 66535/977 | ECORSEXC, file of 2026-09-25 |
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.