Title:
CRYSTALLINE MICROSPHERES AND THE PROCESS OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2019112438
Kind Code:
A
Abstract:
To provide a microsphere that is perfectly spherical, has a smooth surface, and has low hygroscopicity and a moisture content less than 1 wt.%, a composition having a plurality of microspheres, and a method of manufacturing the same.SOLUTION: The present invention provides a composition in which a microsphere has a circularity greater than 0.98 and an aspect ratio greater than 0.98, and has surface ridges of less than 1 μm in height.SELECTED DRAWING: Figure 1
Inventors:
CECIL W PROPST
MARC W MEADOWS
MICHAEL S TODD
MARC W MEADOWS
MICHAEL S TODD
Application Number:
JP2019043904A
Publication Date:
July 11, 2019
Filing Date:
March 11, 2019
Export Citation:
Assignee:
SPI PHARMA INC
International Classes:
A61K9/14; A61K47/10
Foreign References:
| WO2002035991A2 | 2002-05-10 | |||
| WO2008146590A1 | 2008-12-04 | |||
| WO2010021300A1 | 2010-02-25 |
Attorney, Agent or Firm:
Shinjiro Ono
Osamu Yamamoto
Osamu Yamamoto