Hydrophilic coating composition and bath containing same
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United States of America Patent
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Sep 27, 1994
Grant Date -
N/A
app pub date -
Jun 11, 1992
filing date -
Jun 12, 1991
priority date (Note) -
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Abstract
The hydrophilic coating composition including, on a solid basis, (a) 0.3-6 parts by weight of polyvinyl pyrrolidone having a polymerization degree of 10-1000; and (b) 1-10 parts by weight of polyvinyl alcohol having a saponification degree of 80% or more and a polymerization degree of 100-1000, a weight ratio of the component (a) to the component (b), (a)/[(a)+(b)], being in the range of 0.1-0.9.
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