Back to results
US 9,040,686 B2Granted
Coating agent comprising hydroxyalkyl cellulose
AssigneeNippon Soda Co., Ltd.
InventorYusuke Masue
Life of this patent
Estimating the term…
Abstract
A coating agent containing a hydroxyalkyl cellulose in which a content of hydroxyalkoxy groups within the hydroxyalkyl cellulose is within a range of 40 to 50% by mass, preferably a coating agent containing a hydroxyalkyl cellulose in which the content of hydroxyalkoxy groups is within a range of 40 to 50% by mass and also a viscosity of 2% aqueous solution at 20° C. is within a range of 3.0 to 5.9 mPa·s; and a solid preparation coated with the coating agent.
Claims5
A coating agent comprising:
- a solvent consisting of water;
- and
- a hydroxypropyl cellulose in which:
- a content of hydroxypropoxy groups within the hydroxypropyl cellulose is within a range of 42 to 48% by mass;
- and
- a viscosity of a 2% aqueous solution of the hydroxypropyl cellulose at 20° C. is within a range of 3.0 to 5.9 mPa·s.
3 more elements
Dependencies are inferred from the claim text.