Method for inhibiting the decrease in viscosity of gel ointment base and ointment
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United States of America Patent
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Jan 8, 1991
Issued Date -
N/A
app pub date -
May 1, 1989
filing date -
Jan 14, 1987
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Expired
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Abstract
A gel ointment base having stable viscosity and resistant to a light which comprises an aqueous carboxyvinyl polymer solution and an amino acid in an amount effective for increasing the viscosity of the aqueous carboxyvinyl polymer solution, and a gel ointment comprises an active medical substance and the gel ointment base as set forth above, which has stable viscosity and resistant to a light at a pH range which does not give any irritation to viscous membranes and skins.
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