Login| Sign Up| Help| Contact|

Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2018/028531
Kind Code:
Provided are a lyophilized preparation and a preparation method therefor. The method comprises the following steps: a) mixing and freezing raw materials for preparation to obtain a soft ice mixture, the raw materials for preparation comprising an active ingredient, a binder and water; The mass ratio of the active ingredient to the binder is 0~100:0~100, and the content of the two cannot be 0 simultaneously; b) processing the soft ice mixture using a filling machine, and releasing the soft ice mixture to the environment for solidification forming, so as to obtain a cured product, the filling machine being selected from a pipetting device, a plunger pump, a screw pump, a gear pump or a peristaltic pump; c) freeze-drying the cured product to obtain a lyophilized preparation. The shape of the lyophilized preparation prepared by the preparation method is controllable and the drug loading is higher; The lyophilized preparation has good preparation strength, fast disintegration rate and good solubility. Test results indicate that: The drug loading of the lyophilized preparation is 0.01-99.9%, with preparation friability being less than 0.1%, preparation disintegration time in water being less than15s, and complete dissolution time being less than 15s.

DONG, Ling (Building1#, No.6 Anqing Street,Block B, Airport Industria Zone, Shunyi District, Beijing 2, 101312, CN)
Application Number:
Publication Date:
February 15, 2018
Filing Date:
August 07, 2017
Export Citation:
Click for automatic bibliography generation   Help
DONG, Ling (Building1#, No.6 Anqing Street,Block B, Airport Industria Zone, Shunyi District, Beijing 2, 101312, CN)
International Classes:
A61K9/19; A61K9/00; F26B5/06
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (7th Floor, Scitech PlaceNo.22, Jian Guo Men Wai Ave,Chao Yang District, Beijing 4, 100004, CN)
Download PDF: