Patents
US 12371427 B2: Polymorphic forms of a substituted-quinoxaline-type bridged-piperidine compound
- Granted
- 2025-07-29
- Filed
- 2020-01-30 application 17310380
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided herein are novel crystalline forms of a crystalline compound of Formula (I), which modulates the ORL-1 receptor. The crystalline compounds of Formula (I), compositions thereof, and methods of using thereof that are described herein are particularly useful for treatment, prevention, and management of several sleep disorders.
Source: PVGPATDIS, file of 2026-04-10 (ipg250729.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| PURDUE PHARMA L.P. 482 patents | US company or organization | Stamford, CT | PURDUE PHARMA L.P. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Ronnie Ortiz | Wake Forest, NC | 2 | PVGPATDIS, file of 2026-04-10 | |
| David H. Igo | Raleigh, NC | 8 | PVGPATDIS, file of 2026-04-10 | |
| Naoki Tsuno | Toyonaka, JP | 19 | PVGPATDIS, file of 2026-04-10 | |
| Mayu Fukuda | Amagasaki, JP | 1 | PVGPATDIS, file of 2026-04-10 | |
| Naoki Miyake | Amagasaki, JP | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C07D | Heterocyclic compounds | C07D451/04 | PVGPATDIS, file of 2026-04-10 |
| A61P | Specific therapeutic activity of chemical compounds or medicinal preparations | A61P25/20 | PVGPATDIS, file of 2026-04-10 |
| C07C | Acyclic or carbocyclic compounds | C07C309/30 | 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 |
|---|---|---|---|---|---|
| 2025-05-20 | Assignment Assignment of assignor's interest | TSUNO, NAOKI signed 2019-04-10 MIYAKE, NAOKI signed 2019-04-11 FUKUDA, MAYU signed 2019-04-12 | SHIONOGI & CO., LTD. OSAKA-SHI, OSAKA | 71325/451 | ECORSEXC, file of 2026-09-25 |
| 2025-05-20 | Assignment Assignment of assignor's interest | SHIONOGI & CO., LTD. signed 2019-04-26 | PURDUE PHARMA L.P. STAMFORD, CT | 71170/67 | ECORSEXC, file of 2026-09-25 |
| 2025-05-20 | Assignment Assignment of assignor's interest | ORTIZ, RONNIE signed 2019-04-08 IGO, DAVID signed 2019-05-07 | PURDUE PHARMA L.P. STAMFORD, CT | 71170/5 | 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.