Black tea manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 19, 2002
Grant Date -
N/A
app pub date -
Mar 16, 2000
filing date -
Mar 16, 2000
priority date (Note) -
Expired
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Abstract
A method for manufacturing black leaf tea. The method involves macerating freshly plucked tea leaves, treating the leaves with ammonium bicarbonate, fermenting the treated leaves, firing the leaves to arrest fermentation and then drying them to yield black leaf tea.
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