Patent classifications
A
HUMAN NECESSITIES
Load children
A23
FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
Load children
A23F
COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
Load children
3/00
Tea; Tea substitutes; Preparations thereof
Load children Filter patents View analytics View as hierarchy
A23F3/16
Tea extraction; Tea extracts; Treating tea extract; Making instant tea
Load children Filter patents View analytics View as hierarchy
A23F3/30
Further treatment of dried tea extract; Preparations produced thereby, e.g. instant tea
Load children Filter patents View analytics View as hierarchy