Patents
US 11213489 B2: Tamper resistant dosage forms
- Granted
- 2022-01-04
- Filed
- 2020-09-21 application 17027088
- Type
- Utility · 30 claims · withdrawn
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to pharmaceutical dosage forms, for example to a tamper resistant dosage form including an opioid analgesic, and processes of manufacture, uses, and methods of treatment thereof.
Source: PVGPATDIS, file of 2026-04-10 (ipg220104.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 |
| PURDUE PHARMACEUTICALS L.P. 81 patents | US company or organization | Wilson, NC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| William H. McKenna | Yonkers, NY | 43 | PVGPATDIS, file of 2026-04-10 | |
| Richard O. Mannion | Furlong, PA | 44 | PVGPATDIS, file of 2026-04-10 | |
| Edward P. O'Donnell | Berkeley Heights, NJ | 43 | PVGPATDIS, file of 2026-04-10 | |
| Haiyong Hugh Huang | Princeton, NJ | 67 | PVGPATDIS, file of 2026-04-10 |
CPC categories
No CPC categories reported.
Assignments and security interests
No recorded assignments or security interests on file for this patent.
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.