Patents
US 9089492 B2: Pharmaceutical dosage form with multiple coatings for reduced impact of coating fractures
- Granted
- 2015-07-28
- Filed
- 2013-10-11 application 14051950
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to a pharmaceutical composition in a solid unit dosage form for oral administration in a human or lower animal comprising: a. a safe and effective amount of a therapeutically active agent; b. an inner coating layer selected from the group consisting of poly(methacrylic acid, methyl methacrylate) 1:2, poly(methacrylic acid, methyl methacrylate) 1:1, and mixtures thereof; and c. an outer coating layer comprising an enteric polymer or film coating material; wherein the inner coating layer is not the same as the outer coating layer; wherein if the inner coating layer is poly(methacrylic acid, methyl methacrylate) 1:1 then the outer coating layer is not poly(methacrylic acid, methyl methacrylate) 1:2 or is not a mixture of poly(methacrylic acid, methyl methacrylate) 1:1 and poly(methacrylic acid, methyl methacrylate) 1:2; and wherein the inner coating layer and the outer coating layer do not contain any therapeutically active agent. This invention further relates to a method of maintaining the desired site of delivery of a therapeutic agent in the gastrointestinal tract by administering the above compositions to a human or lower animal.
Source: PVGPATDIS, file of 2026-04-10 (ipg150728.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Warner Chilcott Company, LLC 27 patents | US company or organization | Fajardo, PR | WARNER CHILCOTT COMPANY, LLC State business registration EXACT high confidence: identical full name and state WARNER CHILCOTT PLC SEC filer FUZZY low confidence: same name (legal endings aside), one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Gregory Paul Dittmar | Norwich, NY | 2 | PVGPATDIS, file of 2026-04-10 | |
| Joseph Michael Amante | Norwich, NY | 1 | PVGPATDIS, file of 2026-04-10 | |
| Tony Ryan Cronk | Mishawaka, IN | 1 | PVGPATDIS, file of 2026-04-10 | |
| Daniel Gary Newby | South New Berlin, NY | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K9/284 | 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 |
|---|---|---|---|---|---|
| 2018-02-22 | Correction Corrective assignment to correct the us patent no. 8,050,873 previously recorded on reel 040183 frame 0129. assignor(s) hereby confirms the assignment. | WARNER CHILCOTT COMPANY, LLC signed 2015-12-31 | ALLERGAN PHARMACEUTICALS INTERNATIONAL LIMITED DUBLIN 17 | 45417/593 | PASDL, file of 2026-10-15 |
| 2016-09-29 | Assignment Assignment of assignor's interest | WARNER CHILCOTT COMPANY, LLC signed 2015-12-31 | ALLERGAN PHARMACEUTICALS INTERNATIONAL LIMITED DUBLIN 17 | 40183/129 | 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.