Preparation method of levobetaxolol hydrochloride eye drops
A technology of betaxolol and levohydrochloride, which is applied in the field of preparation of levobetaxolol hydrochloride eye drops, can solve the problems of many impurities, unstable system, and poor resuspension, and achieve high controllability Effect
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Embodiment 1
[0025] 1) Preparation before production
[0026] Dispersion of Polystyrene Sulfonate and Swelling of Carbomer
[0027]
[0028] 2) Capsule filter 0.22μm (polyethersulfone material) treatment:
[0029] The integrity of the filter is tested before use. After passing the test, it is bagged together with the supporting equipment of the filter system (such as quick connectors, clamps, etc.), sent to the sterilizer, and sterilized at 121 ° C for 30 minutes as required, ready for use;
[0030] 3) Disposal of containers and production tools:
[0031] Production containers, utensils, silicone tubes, etc. are cleaned with purified water and water for injection, and then sterilized at 121°C for 30 minutes before use.
[0032] 4) The inner packaging material is transferred to the filling room:
[0033] In the general production area, remove the outer packaging from the inner packaging box, and transfer it to the C-level production area through the material transfer window; in the C-...
Embodiment 2
[0040] 1) Preparation before production
[0041] Dispersion of Polystyrene Sulfonate and Swelling of Carbomer
[0042]
[0043] 2) Capsule filter 0.22μm (polyethersulfone material) treatment:
[0044] The integrity of the filter is tested before use. After passing the test, it is bagged together with the supporting equipment of the filter system (such as quick connectors, clamps, etc.), sent to the sterilizer, and sterilized at 121 ° C for 30 minutes as required, ready for use;
[0045] 3) Disposal of containers and production tools:
[0046] Production containers, utensils, silicone tubes, etc. are cleaned with purified water and water for injection, and then sterilized at 121°C for 30 minutes before use.
[0047] 4) The inner packaging material is transferred to the filling room:
[0048] In the general production area, remove the outer packaging from the inner packaging box, and transfer it to the C-level production area through the material transfer window; in the C-...
Embodiment 3
[0055] 1) Preparation before production
[0056] Dispersion of Polystyrene Sulfonate and Swelling of Carbomer
[0057]
[0058] 2) Capsule filter 0.22μm (polyethersulfone material) treatment:
[0059] The integrity of the filter is tested before use. After passing the test, it is bagged together with the supporting equipment of the filter system (such as quick connectors, clamps, etc.), sent to the sterilizer, and sterilized at 121 ° C for 30 minutes as required, ready for use;
[0060] 3) Disposal of containers and production tools:
[0061] Production containers, utensils, silicone tubes, etc. are cleaned with purified water and water for injection, and then sterilized at 121°C for 30 minutes before use.
[0062] 4) The inner packaging material is transferred to the filling room:
[0063] In the general production area, remove the outer packaging from the inner packaging box, and transfer it to the C-level production area through the material transfer window; in the C-le...
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