Patents
US 9387252 B2: Pharmaceutical compositions with enhanced performance
- Granted
- 2016-07-12
- Filed
- 2013-12-17 application 14108518
- Type
- Utility · 13 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Pharmaceutical compositions of a low-solubility drug and lower alkanoate-, phthalate- and trimellitate esters of hydroxypropyl methyl cellulose and lower alkanoate- and succinate esters of cellulose and methyl cellulose are disclosed that provide enhanced concentrations of the drug in a use environment.
Source: PVGPATDIS, file of 2026-04-10 (ipg160712.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Bend Reserch, Inc. 62 patents | US company or organization | Bend, OR | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Walter C. Babcock | Bend, OR | 18 | PVGPATDIS, file of 2026-04-10 | |
| Dwayne T. Friesen | Bend, OR | 38 | Person page FUZZY medium confidence | PVGPATDIS, file of 2026-04-10 |
| Warren K. Miller | Bend, OR | 18 | PVGPATDIS, file of 2026-04-10 | |
| Daniel T. Smithey | Bend, OR | 16 | PVGPATDIS, file of 2026-04-10 | |
| David K. Lyon | Bend, OR | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K47/38 | PVGPATDIS, file of 2026-04-10 |
| C08B | Polysaccharides; derivatives thereof | C08B11/20 | PVGPATDIS, file of 2026-04-10 |
| C08L | Compositions of macromolecular compounds | C08L1/08 | 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 |
|---|---|---|---|---|---|
| 2014-08-27 | Assignment Assignment of assignor's interest | FRIESEN, DWAYNE T. signed 2014-04-17 LYON, DAVID K. signed 2014-04-17 MILLER, WARREN K. signed 2014-04-17 BABCOCK, WALTER C. signed 2014-04-25 SMITHEY, DANIEL T. signed 2014-05-05 | BEND RESEARCH, INC. BEND, OR | 33624/320 | 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.