Patent · US Expired

Use of silica as agent for controlling the degradation of bicarbonate, resulting mixture and its application

US6284288A · kind A · utility

5Cited by
0References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 1999
Grant dateSep 4, 2001
Priority date—
Expiry dateMay 25, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/412
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The use of silica for controlling the thermal degradation of bicarbonate of an alkaline, alkaline-earth metal or bicarbonate of ammonia with an average particle size less than or equal to 100 .mu.m is disclosed. The resulting bicarbonate and silica mixtures may be used in cosmetics and detergents, and more particularly in formulae for toothpaste.

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