Compositions useful as enteric coatings and method for preparing acid phthalates of cellulose ethers for them
专利汇可以提供Compositions useful as enteric coatings and method for preparing acid phthalates of cellulose ethers for them专利检索，专利查询，专利分析的服务。并且ACID PHTHALATE OF CELLULOSE ETHERS REPRESENTED BY THE GENERAL FORMULA:
R1MR2NA
WHERE R1 IS A HYDROXYALKYL GROUP OF 3 OR 4 CARBON ATOMS, R2, HYDROGEN OR AN ALKYL GROUP OF 1 OR 2 CARBON ATOMS, M AND N ARE POSITIVE INTEGERS, AND A IS RESIDUAL CELLULOSE STRUCTURE WHICH ETHERS ARE READILY SOLUBLE IN WEAK ALKALINE SOLUTION, BESIDES POSSESSING HIGH SOLUBILITY IN ORGANIC SOLVENTS AND EXCELLENT RESISTANCE TO WATER; THEY ARE USEFUL AS ENTERIC COATINGS, AND DRUGS COATED WITH THEM CAN STAND LONG STORAGE AND ARE READILY SOLUBLE UPON PASSING INTO THE INTESTINES, THEREBY ENHANCING THE EFFECT OF THE DRUGS.，下面是Compositions useful as enteric coatings and method for preparing acid phthalates of cellulose ethers for them专利的具体信息内容。
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 包含pH依赖性药物、pH调节剂和阻滞剂的药物组合物 | 2021-07-25 | 5 |
| 度洛西汀的缓释药物组合物 | 2021-08-08 | 5 |
| 用于体重管理和改善血糖控制的方法和组合物 | 2021-07-12 | 1 |
| LONG-ACTING AND CONTROLLED RELEASE FORMULATIONS OF 2-[(3-CHLOROPHENYL) AMINO] PHENYLACETIC ACID | 2021-03-01 | 3 |
| Oral pharmaceutical compositions containing non-steroidal anti-inflammatory drugs and method for preparing the same | 2022-04-12 | 1 |
| Composition for enteric coating | 2022-09-24 | 3 |
| Composition and method for protecting a therapeutic drug | 2023-01-04 | 2 |
| Smoke-and steam-permeable food skin made from a thermoplastic mixture with a natural appearance | 2021-12-30 | 5 |
| PHARMACEUTICAL COMPOSITION OF ACID LABILE SUBSTANCES | 2021-12-28 | 4 |
| A METHOD FOR PREPARING ENTERIC-COATED ORAL DRUGS CONTAINING ACID-UNSTABLE COMPOUNDS | 2022-10-05 | 4 |
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