Patent · US Expired

Spray gel base and spray gel preparation using thereof

US5158761A · kind A · utility

43Cited by
12References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 1990
Grant dateOct 27, 1992
Priority date
Expiry dateMar 20, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K47/32
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A spray base gel having an excellent spread-stick property, which is prepared by thickening a 0.2-1.5% by weight aqueous solution of carboxyvinyl polymer with a water-soluble basic substance, followed by adjusting the viscosity thereof with a viscosity adjustor within the range of 500-5,000 centipoise so that the particle size distribution of spray after spraying is over 80% in the area of 20-100 .mu.m and a spray gel preparation having an excellent spread-stick property, which is prepared by mixing an active medicament with said spray gel base.

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