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Enhanced stability of novel liquid compositions
US9308166B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9308166-B2 |
| Application number | US-201414192720-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 27, 2014 |
| Priority date | Feb 28, 2013 |
| Publication date | Apr 12, 2016 |
| Grant date | Apr 12, 2016 |
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Abstract
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The present invention relates to compositions of pharmaceutical agents in combination with additional pharmaceutical agents in a mixture of polyethylene glycol, polyvinylpyrrolidone, and propylene glycol and a process of making the compositions.
First claim
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The invention claimed is: 1. A liquid oral pharmaceutical composition comprising: i.) from about 0.1% to about 20% w/v polyvinylpyrrolidone; ii.) from about 5% to about 70% w/v polyethylene glycol; iii.) from about 1% to about 30% w/v propylene glycol; iv.) from about 1% to 10% w/v guaifenesin; and v.) from about 0.01% to about 1.0% w/v phenylephrine wherein the composition is visually free of guaifenesin precipitation for at least 62 days at 4° C.…
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Frequently asked questions
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- What does patent US9308166B2 cover?
- The present invention relates to compositions of pharmaceutical agents in combination with additional pharmaceutical agents in a mixture of polyethylene glycol, polyvinylpyrrolidone, and propylene glycol and a process of making the compositions.
- Who is the assignee on this patent?
- Pfizer, Pfizer
- What technology area does this patent fall under?
- Primary CPC classification A61K9/08. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Apr 12 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).