C12CBEERPREPARATION OF BEER BY FERMENTATION ageing or ripening by storing C12H1/22; methods for reducing the alcohol content after fermentation C12H3/00; methods for increasing the alcohol content after fermentation C12H6/00; venting devices for casks, barrels or the like C12L9/00PREPARATION OF MALT FOR MAKING BEERPREPARATION OF HOPS FOR MAKING BEERIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. C12C1/00 C12C1/00Preparation of malt C12C1/02Pretreatment of grains, e.g. washing, steeping C12C1/027Germinating C12C1/0275on single or multi-stage floors C12C1/033in boxes or drums C12C1/047Influencing the germination by chemical or physical means C12C1/053by irradiation or electric or wave energy treatment C12C1/067Drying C12C1/073Processes or apparatus specially adapted to save or recover energy C12C1/10Drying on fixed supports C12C1/12Drying on moving supports C12C1/125Continuous or semi-continuous processes for steeping, germinating or drying C12C1/13with vertical transport of the grains C12C1/135with horizontal transport of the grains C12C1/15Grain or malt turning, charging or discharging apparatus C12C1/16After-treatment of malt, e.g. malt cleaning, detachment of the germ C12C1/18Preparation of malt extract or of special kinds of malt, e.g. caramel, black malt malt products for use as foodstuffs A23L C12C3/00Treatment of hops C12C3/02Drying C12C3/04ConservingStoringPacking C12C3/06Powder or pellets from hops C12C3/08Solvent extracts from hops C12C3/085Extraction of hops with beerwort C12C3/10using carbon dioxide C12C3/12Isomerised products from hops C12C5/00Other raw materials for the preparation of beer C12C5/002Brewing water C12C5/004Enzymes C12C5/006Beta-glucanase or functionally equivalent enzymes C12C5/008Hop surrogates C12C5/02Additives for beer C12C5/023enhancing the vitamin content C12C5/026Beer flavouring preparations C12C5/04Colouring additives C12C7/00Preparation of wort malt extract C12C1/18 C12C7/01Pretreatment of malt, e.g. malt grinding C12C7/04Preparation or treatment of the mash C12C7/042Mixing malt with water C12C7/044Cooling the mash C12C7/067 takes precedence C12C7/047part of the mash being unmalted cereal mash C12C7/053part of the mash being non-cereal material C12C7/06Mashing apparatus C12C7/062with a horizontal stirrer shaft C12C7/065with a vertical stirrer shaft C12C7/067with cooling means C12C7/14Clarifying wort (Läuterung) C12C7/16by straining C12C7/161in a tub with a perforated false bottom C12C7/163with transport of the mash by or relative to a filtering surface C12C7/165in mash filters C12C7/17in lautertuns , e.g. in a tub with perforated false bottom C12C7/175by centrifuging C12C7/20Boiling the beerwort brew kettles C12C13/02 C12C7/205Boiling with hops C12C7/22Processes or apparatus specially adapted to save or recover energy C12C7/24Clarifying beerwort between hop boiling and cooling C12C7/26Cooling beerwortClarifying beerwort during or after the cooling C12C7/28After-treatment , e.g. sterilisation C12C11/00 takes precedence C12C7/282Concentration or beerwort C12C7/285Drying beerwort C12C7/287Treating beerwort with hopextract C12C7/205 takes precedence C12C9/00Methods specially adapted for the making of beerwort C12C9/02Beerwort treatment; Boiling with hops; Hop extraction C12C9/025Preparation of hop extracts extraction with beerwort C12C9/02; Isomerisation of these extracts; Treatment of beerwort with these extracts; Surrogates of the hop C12C11/00Fermentation processes for beer preparation of wine C12G1/00 C12C11/003Fermentation of beerwort C12C11/006Fermentation tanks therefor C12C11/02Pitching yeast C12C11/06Acidifying the wort C12C11/07Continuous fermentation C12C11/075Bioreactors for continuous fermentation C12C11/09Fermentation with immobilised yeast C12C11/11Post fermentation treatments, e.g. carbonation, or concentration methods for reducing the alcohol content after fermentation C12H3/00; methods for increasing the alcohol content after fermentation C12H6/00 C12C12/00Processes specially adapted for making special kinds of beer C12C12/002using special microorganisms C12C12/004Genetically modified microorganisms C12C12/006Yeasts processes for seeding C12C11/02 C12C12/008Lactic acid bacteria C12C12/02Beer with low calorie content C12C12/04 takes precedence C12C12/04Beer with low alcohol content methods for reducing the alcohol content after fermentation C12H3/00 C12C13/00Brewing devices, not covered by a single group of C12C1/00 - C12C12/04 C12C13/02Brew kettles C12C11/075 takes precedence C12C13/025heated with steam C12C13/06heated with fire C12C13/08with internal heating elements C12C13/10Home brew equipment C12C2200/00 C12C2200/00Special features C12C2200/01Use of specific genetic variants of barley or other sources of fermentable carbohydrates for beer brewing C12C2200/05Use of genetically modified microorganisms in the preparation of beer C12C2200/31Clarifying wort before or during or after cooling C12C2200/35Dissolving, reconstituting or diluting concentrated or dried wort