A
SECTION A — HUMAN NECESSITIES
  
AGRICULTURE
 A21
BAKING; EDIBLE DOUGHS
 A21D
TREATMENT, E. G. PRESERVATION, OF FLOUR OR DOUGH, E. G. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS; PRESERVATION THEREOF
 A21D 2/00
Treatment of flour or dough by adding materials thereto
 A21D 2/00

Note(s)

A substance is always indexed in the last appropriate place

 A21D 2/02
·  by adding inorganic substances
 A21D 2/04
·  ·  oxygen; oxygen-generating compounds, e.g. ozone, peroxides
 A21D 2/06
·  ·  reducing agents
 A21D 2/08
·  by adding organic substances
 A21D 2/10
·  ·  hydrocarbons
 A21D 2/12
·  ·  halohydrocarbons
 A21D 2/14
·  ·  organic oxygen compounds
 A21D 2/16
·  ·  ·  fatty acid esters
 A21D 2/18
·  ·  ·  carbohydrates
 A21D 2/20
·  ·  ·  peroxides
 A21D 2/22
·  ·  ·  ascorbic acid
 A21D 2/24
·  ·  organic nitrogen compounds
 A21D 2/26
·  ·  ·  proteins
 A21D 2/28
·  ·  organic sulphur compounds
 A21D 2/30
·  ·  organic phosphorus compounds
 A21D 2/32
·  ·  ·  phosphatides
 A21D 2/34
·  ·  animal material
 A21D 2/36
·  ·  vegetable material
 A21D 2/38
·  ·  ·  seed germs; germinated cereals; extracts thereof
 A21D 2/40
·  Apparatus for the chemical treatment of flour or dough
 A21D 4/00
Preserving flour or dough by storage in an inert atmosphere
 A21D 6/00
Other treatment of flour e.g. cooling, irradiation, heating
 A21D 8/00
Methods for preparing dough and for baking (A21D 2/00 takes precedence)
 A21D 8/02
·  Methods for preparing dough; Treating dough prior to baking (machines or equipment for making or processing dough A21C)
 A21D 8/04
·  ·  treating dough with micro-organisms or enzymes
 A21D 8/06
·  Baking processes (ovens A21B)
 A21D 8/08
·  Prevention of sticking, e.g. to baking plates
 A21D 8/10
·  ·  using dusting powders
 A21D 13/00
Bakery products
 A21D 13/02
·  Bread from whole meal, rough-ground grain or bran
 A21D 13/04
·  Bread from materials other than rye or wheat
 A21D 13/06
·  Dietetic and/or health-promoting bread
 A21D 13/08
·  Pastry, e.g. cake, biscuit, puff-pastry
 A21D 15/00
Preserving bakery products; Improving e.g. refreshing