Patents
US 8309104 B2: Oral controlled release formulation for sedative and hypnotic agents
- Granted
- 2012-11-13
- Filed
- 2007-02-28 application 11712133
- Type
- Utility · 10 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to a novel controlled release dosage form that releases therapeutic amounts of a sedative or hypnotic agent rapidly after administration and maintains therapeutic levels for about eight hours after administration.
Source: PVGPATDIS, file of 2026-04-10 (ipg121113.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Watson Pharmaceuticals, Inc. 6 patents | US company or organization | Corona, CA | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Xiu Xiu Cheng | Weston, FL | 8 | PVGPATDIS, file of 2026-04-10 | |
| Dacheng Tian | Miramar, FL | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K9/2846 | PVGPATDIS, file of 2026-04-10 |
| A61P | Specific therapeutic activity of chemical compounds or medicinal preparations | A61P25/20 | 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 |
|---|---|---|---|---|---|
| 2017-01-20 | Name change Change of name | ACTAVIS, INC. signed 2016-06-09 | ALLERGAN FINANCE, LLC PARSIPPANY, NJ | 41459/788 | ECORSEXC, file of 2026-09-25 |
| 2017-01-20 | Assignment Assignment of assignor's interest | ALLERGAN FINANCE, LLC signed 2016-07-19 | ACTAVIS HOLDCO US, INC. PARSIPPANY, NJ | 41449/799 | ECORSEXC, file of 2026-09-25 |
| 2017-01-20 | Name change Change of name | WATSON PHARMACEUTICALS, INC. signed 2013-01-17 | ACTAVIS, INC. PARSIPPANY, NJ | 41023/542 | ECORSEXC, file of 2026-09-25 |
| 2007-02-28 | Assignment Assignment of assignor's interest | CHENG, XIU XIU signed 2007-02-28 TIAN, DACHENG signed 2007-02-28 | WATSON PHARMACEUTICALS, INC. CORONA, CA | 19049/227 | 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.