A kind of varenicline tartrate tablet and preparation method thereof
A technology for varenicline tartrate and tablets, which is applied in the directions of pill delivery, pharmaceutical formulations, and non-active ingredients medical preparations, etc., can solve the problems of reduced dissolution rate of tablets, unsuitable for long-term use, cumbersome process, etc. High dissolution, low friability and good fluidity
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Embodiment 1
[0051]
[0052] 1) when one third of the weight of magnesium stearate, microcrystalline cellulose and varenicline tartrate are mixed after 20 minutes at a rotating speed of 15rpm, sieve and granulate, wherein the screen aperture is 0.8-2.0mm during granulation, to prepare a mixture;
[0053] 2) mixing the mixture obtained in step 1) with mannitol, polyvinylpyrrolidone, and low-substituted hydroxypropyl cellulose for 10-30 minutes at a rotating speed of 15 rpm;
[0054] 3) adding residual magnesium stearate to the mixture obtained in step 2), and mixing for 10-20 minutes at a rotating speed of 15 rpm;
[0055] 4) compressing the obtained mixed granules in step 3), and controlling the hardness of the tablet to be 3~10Kp;
[0056] 5) Transfer the plain tablet compressed in step 4) to a coating machine for coating operation.
Embodiment 2
[0058]
[0059] 1) when one third of the weight of magnesium stearate, microcrystalline cellulose and varenicline tartrate are mixed after 20 minutes at a rotating speed of 15rpm, sieve and granulate, wherein the screen aperture is 0.8-2.0mm during granulation, to prepare a mixture;
[0060] 2) mixing the obtained mixture of step 1) with calcium hydrogen phosphate, polyvinylpyrrolidone, and low-substituted hydroxypropyl cellulose for 10-30 minutes at a rotating speed of 15 rpm;
[0061] 3) adding residual magnesium stearate to the mixture obtained in step 2), and mixing for 10-20 minutes at a rotating speed of 15 rpm;
[0062] 4) compressing the obtained mixed granules in step 3), and controlling the hardness of the tablet to be 3~10Kp;
[0063] 5) Transfer the plain tablet compressed in step 4) to a coating machine for coating operation.
Embodiment 3
[0065]
[0066] 1) when one third of the weight of magnesium stearate, microcrystalline cellulose and varenicline tartrate are mixed after 20 minutes at a rotating speed of 15rpm, sieve and granulate, wherein the screen aperture is 0.8-2.0mm during granulation, to prepare a mixture;
[0067] 2) mixing the mixture obtained in step 1) with sorbitol, polyvinylpyrrolidone, and low-substituted hydroxypropyl cellulose for 10-30 minutes at a rotating speed of 15 rpm;
[0068] 3) adding residual magnesium stearate to the mixture obtained in step 2), and mixing for 10-20 minutes at a rotating speed of 15 rpm;
[0069] 4) compressing the obtained mixed granules in step 3), and controlling the hardness of the tablet to be 3~10Kp;
[0070] 5) Transfer the plain tablet compressed in step 4) to a coating machine for coating operation.
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