Patents
US 10206881 B2: Pharmaceutical formulation containing gelling agent
- Granted
- 2019-02-19
- Filed
- 2017-11-03 application 15803370
- Type
- Utility · 7 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed in certain embodiments is a controlled release oral dosage form comprising a therapeutically effective amount of a drug susceptible to abuse together with one or more pharmaceutically acceptable excipients; the dosage form further including a gelling agent in an effective amount to impart a viscosity unsuitable for administration selected from the group consisting of parenteral and nasal administration to a solubilized mixture formed when the dosage form is crushed and mixed with from about 0.5 to about 10 ml of an aqueous liquid; the dosage form providing a therapeutic effect for at least about 12 hours when orally administered to a human patient.
Source: PVGPATDIS, file of 2026-04-10 (ipg190219.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 |
| The P.F. Laboratories, Inc. 42 patents | US company or organization | Totowa, NJ | 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 |
|---|---|---|---|---|
| Curtis Wright | Rockport, MA | 71 | PVGPATDIS, file of 2026-04-10 | |
| Benjamin Oshlack | Boca Raton, FL | 94 | PVGPATDIS, file of 2026-04-10 | |
| Christopher Breder | Bethesda, MD | 54 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K9/2054 | PVGPATDIS, file of 2026-04-10 |
| A61J | Containers specially adapted for medical or pharmaceutical purposes; devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms; devices for administering food or medicines orally; baby comforters; devices for receiving spittle | A61J3/10 | PVGPATDIS, file of 2026-04-10 |
| A61P | Specific therapeutic activity of chemical compounds or medicinal preparations | A61P25/04 | 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 |
|---|---|---|---|---|---|
| 2019-04-17 | Assignment Assignment of assignor's interest | THE P.F. LABORATORIES, INC. signed 2019-04-08 PURDUE PHARMA TECHNOLOGIES, INC. signed 2019-04-08 | PURDUE PHARMA L.P. STAMFORD, CT | 48932/651 | 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.