Preservative and fixative preparations for biological systems
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United States of America Patent
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Jan 15, 1985
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N/A
app pub date -
Feb 4, 1982
filing date -
Feb 4, 1982
priority date (Note) -
Expired
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Abstract
A fixative composition for histological, cytological, immunological and proteinaceous preparations comprising a mixture of pyrrolid-2-one, a polyol, a urea and a zinc salt of a non-oxidizing organic or inorganic acid. Also disclosed are devices utilizing such compositions.
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