Patent · US Active

Composition comprising a liquid absorbed on a support based on precipitated silica

US7731790B2 · kind B2 · utility

2Cited by
6References
28Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 18, 2005
Grant dateJun 8, 2010
Priority date
Expiry dateNov 21, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2993
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention concerns a conditioned composition comprising at least a liquid absorbed on a support containing a precipitated silica, said silica being in the form of substantially spherical beads and having: a mean pellet size greater than 150 μm; a filling density in compact state(DRT) greater than 0.29; an oversize rate for a grid with mesh aperture size of 75 μm of at least 92% by weight. The invention also concerns the use of such a silica as a support for liquid.

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