A
SECTION A — HUMAN NECESSITIES
  
AGRICULTURE
 A23
FOODSTUFFS AND THEIR TREATMENT NOT INCLUDED IN OTHER CLASSES
 A23F
COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, AND INFUSION THEREOF
 A23F 1/00
Coffee; Coffee substitutes; Preparations thereof
 A23F 1/02
·  Methods of roasting or pretreating (coffee roasters A23N)
 A23F 1/04
·  Improving coffee
 A23F 1/06
·  Preserving coffee, e.g. by application of coating
 A23F 1/08
·  Coffee extracts or infusions
 A23F 1/10
·  Coffee with reduced caffeine content; Extracts or infusions thereof
 A23F 1/12
·  Coffee preparations, e.g. mixtures of coffee with milk and/or sugar
 A23F 1/14
·  Coffee substitutes
 A23F 1/16
·  ·  prepared from cereal and/or malt
 A23F 3/00
Tea; Tea substitutes; Preparations thereof
 A23F 3/02
·  Tea substitutes, e.g. maté; Alkaloid-free tea; Extracts or infusions thereof
 A23F 3/04
·  Tea-leaf rollers