Spherical granules having core and their production

  • US 5,026,560 A
  • Filed: 01/14/1988
  • Issued: 06/25/1991
  • Est. Priority Date: 01/29/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. Spherical granules having a core coated with a binder and spraying powder containing a drug and low substituted hydroxypropylcellulose having a mean particle diameter not more than 200 μ

  • m, wherein the low substituted hydroxypropylcellulose contains 4 to 20% of a hydroxypropoxyl group.

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