Patent ID: 11911513
Assignee: SHANGHAI WD PHARMACEUTICAL CO., LTD
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 8:
9. The method of claim 6, wherein in the extended release platform,
when the osmotic push layer is composed of sodium carboxymethyl cellulose 7H4XF, povidone K30, sorbitol, iron oxide red and magnesium stearate, the weight percentage of the carboxymethyl cellulose sodium 7H4XF is 55%, the weight percentage of the povidone K30 is 5%, the weight percentage of the sorbitol is 39%, the weight percentage of the iron oxide red is 0.5%, and the weight percentage of the magnesium stearate is 0.5%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer;
the weight percentage of the carboxymethyl cellulose sodium 7H4XF is 55%, the weight percentage of the povidone K30 is 10%, the weight percentage of the sorbitol is 34%, the weight percentage of the iron oxide red is 0.5%, and the weight percentage of the magnesium stearate is 0.5%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer;
the weight percentage of the sodium carboxymethyl cellulose is 85%, the weight percentage of the povidone K30 is 3%, the weight percentage of the sorbitol is 5%, the weight percentage of the iron oxide red is 5%, and the weight percentage of the magnesium stearate is 2%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer;
the weight percentage of the sodium carboxymethyl cellulose is 25%, the weight percentage of the povidone K30 is 9.5%, the weight percentage of the sorbitol is 65% and the weight percentage of the magnesium stearate is 0.5%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer;
the weight percentage of the carboxymethyl cellulose sodium 7H4XF is 60%, the weight percentage of the povidone K30 is 10%, the weight percentage of the sorbitol is 26%, the weight percentage of the iron oxide red is 2%, and the weight percentage of the magnesium stearate is 2%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer;
the weight percentage of the carboxymethyl cellulose sodium 7H4XF is 40%, the weight percentage of the povidone K30 is 20%, the weight percentage of the sorbitol is 36%, the weight percentage of the iron oxide red is 3.5%, and the weight percentage of the magnesium stearate is 0.5%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer;
or, when the osmotic push layer is composed of sodium carboxymethyl cellulose 9H4XF, povidone K30, sorbitol, iron oxide red and magnesium stearate, the weight percentage of sodium carboxymethyl cellulose 9H4XF is 55%, the weight percentage of povidone K30 is 5%, the weight percentage of sorbitol is 39%, and the weight percentage of iron oxide red is 0.5% and the weight percentage of magnesium stearate is 0.5%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer;
or, when the osmotic push layer is composed of sodium carboxymethyl cellulose 7H4XF, hydroxypropyl cellulose, sorbitol, iron oxide red and magnesium stearate, the weight percentage of sodium carboxymethyl cellulose 7H4XF is 55%, the weight percentage of hydroxypropyl cellulose is 10%, the weight percentage of sorbitol is 34%, the weight percentage of the iron oxide red is 0.5% and the weight percentage of the magnesium stearate is 0.5%, wherein the weight percentage is the weight percentage of each component of the osmotic push layer.