Spray gel base and spray gel preparation using thereof
US5215739A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1991 |
| Grant date | Jun 1, 1993 |
| Priority date | — |
| Expiry date | Jul 25, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0043
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A spray gel base 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.