US Patent No: 7,910,128
Number of patents in Portfolio can not be more than 2000
Use of a mixture of two or more enteric materials to regulate drug release via membrane or matrix for systemic therapeutics
Stats
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Mar 22, 2011
Issued date -
Jan 5, 2004
filing date -
10/751,766
serial no -
In Force
status
Importance
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Abstract
Disclosed are pharmaceutical compositions, particularly oral dosage forms, which comprise two or more enteric coating materials, either as a coating or as part of a matrix dosage form, and methods of making and using the same. The compositions are characterized by having a sustained release profile at lower pH and an accelerated dissolution profile at higher pH.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 2005/0163,842 Rosiglitazone and metformin formulations | 1 | 2004 | |
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| 2006/0134,196 Formulation comprising fenofibric acid, a physiologically acceptable salt or derivative thereof | 9 | 2003 | |
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| 4,980,170 Pharmaceutical formulation as well as a process for its preparation | 43 | 1989 | |
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| 2003/0180,352 Solid carriers for improved delivery of active ingredients in pharmaceutical compositions | 35 | 2002 | |
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| 6,068,859 Controlled-release dosage forms of Azithromycin | 45 | 1996 | |
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| 6,565,877 Taste masked compositions | 4 | 2000 | |
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| 6,893,661 Controlled release formulations using intelligent polymers | 3 | 1998 | |
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| 2004/0023,848 Compositions for the treatment, prevention, and diagnosis of gastrointestinal and other infections | 1 | 2003 | |
| 2005/0271,708 Palatable controlled-release formulation for companion animals | 1 | 2005 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 22, 2014 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 22, 2018 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 22, 2022 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |