Patent · US Expired

Tablet coating composition

US6620426B2 · kind B2 · utility

0Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 2001
Grant dateSep 16, 2003
Priority date
Expiry dateOct 21, 2021

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K9/2866
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A tablet coating composition including a mixture of (a) sodium alginate and (b) a polyvinylpyrrolidone-vinyl acetate copolymer, and, optionally, (c) hydroxypropylmethyl cellulose, and/or hydroxypropyl cellulose.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.