Method for foliage and other plant material preservation and topical color application to same
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United States of America Patent
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May 12, 1987
Issued Date -
N/A
app pub date -
Jul 25, 1986
filing date -
Sep 18, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for preserving natural plant material comprising immersion, under about 3 to 30 psig (0.21-2.1 kg/cm.sup.2 gauge) pressure, the material in ethylene glycol having a specific gravity of 1.03-1.10 for a period of 4 hours to 5 days. The material is then withdrawn, washed and dried for use or further treatment. The spent ethylene glycol is restored to its original volume with virgin ethylene glycol and re-used many times without purification. The preserved plant material is topically coated with a hydrophilic polymeric sealer optionally blended with a pigment.
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Cited Art Landscape
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