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| | Patent 6,312,726 |
 | | The proportion of the acid-resistant polymer compound is dependent on the selected species of auxiliary blowing agent and drug substance, and the desired swollen molding or gastric remaining preparation of the invention but may range suitably from 25 to 94% (w/w), preferably 40-80% (w/w), and for still better results, 50-70% (w/w). |
 | | Indomethacin, aspirin, diclofenac sodium, ketoprofen, ibuprofen, mefenamic acid, dexamethasone, dexamethasone sodium sulfate, hydrocortisone, prednisolone, azulene, phenacetin, isopropylantipyrine, acetaminophen, benzydamine hydrochloride, phenylbutazone, flufenamic acid, sodium salicylate, choline salicylate, Sasapyrine (salsalate), clofezone, etodolac. |
 | | The drug release control agent may be a substance which dissolves or swells upon contact with acid or water and as such includes hydroxypropylcellulose, hydroxypropylmethylcellulose, methylcellulose, polyvinyl acetal diethylaminoacetate, polyvinylpyrrolidone, polyvinyl alcohol, wheat flour, corn starch, mannitol, lactose, microcrystalline cellulose, low substituted hydroxypropylcellulose, and so on. |
| www.pharmcast.com /Patents/Yr2001/Nov2001/110601/6312726_Gastric110601.htm (3188 words) |
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