Patent · US Expired

Pharmaceutical excipient having improved compressibility

US5866166A · kind A · utility

55Cited by
35References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 1996
Grant dateFeb 2, 1999
Priority date
Expiry dateJun 10, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S977/915
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A composition, comprising (a) microcrystalline cellulose; and (b) a compressibility augmenting agent which (i) physically restricts the proximity of the interface between adjacent cellulose surfaces; or (ii) inhibits interactions between adjacent cellulose surfaces; or (iii) accomplishes both (i) and (ii) above, is disclosed. The composition is in the form of agglomerated particles of microcrystalline cellulose and the compressibility augmenting agent in intimate association with each other.

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