Spray gel base and spray gel preparation using thereof
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United States of America Patent
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Jun 1, 1993
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app pub date -
Jul 25, 1991
filing date -
Apr 5, 1989
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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.
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