Derwent Classification System: Food, Detergents, Water Treatment and Biotechnology

The food Classes include all commercial food machinery, processes and products. Domestic apparatus, operations which would be performed on the farm or plantation prior to arrival at the food factory, and packaging are excluded.

Approximate IPCs are given in brackets.

D1 FOOD AND FERMENTATION
D11 Baking - including bakery products, flour, doughs, bakery ovens, dough transporting and/or handling equipment, pies and pasta, but not flour milling (A21).
D12 Butchering, meat treatment, processing poultry or fish (A22).
D13 Other foodstuffs and treatment - including preservation of food, milk, milk products, butter substitutes, edible oils and fats, non-alcoholic beverages, artificial sweeteners, food additives and animal feed (A23B-L).
D14 General foodstuffs machinery - excluding machines which can be classified in D11-13 (A23N, P).
D15 Chemical or biological treament of water, industrial waste and sewage - including purification, sterilising or testing water, scale prevention, treatment of sewage sludge, regeneration of active carbon which has been used for water treatment and impregnating water with gas eg CO2, but excluding anti-pollution devices (C02).
D16 Fermentation industry - including fermentation equipment, brewing, yeast production, production of pharmaceuticals and other chemicals by fermentation, microbiology, production of vaccines and antibodies, cell and tissue culture and genetic engineering.
D17 Sugar and starch industry (C07H, C13).
D18 Skins, hides, pelts, leather and chemical treatment of tobacco.
D2 COSMETICS, DISINFECTANTS AND DETERGENTS
D21 Preparations for dental or toilet purposes - including filling alloys, compositions for dentures or dental impressions, anti-caries chewing gum, plaque disclosing compositions, toothpastes, cosmetics, shampoos, topical anti-sunburn compositions and toilet soaps (A61K).
D22 Sterilising, bandages, dressing and skin-protection agents - including sterilising agents (other than for food), sutures, plaster casts, bioactive prostheses, contact lenses, diapers, animal litter, timber preservatives, disinfectants, bactericidal detergents, deodorants, insect repellent compounds, moth proofers, sheep dip (A61L).
D23 Oils, fats and waxes - including fatty acids, candles, essential oils, but excluding butter (substitutes) and montan wax (C11B, C).
D24 Soap (limited to metal salts of fatty acids which are used for cleaning) (C11D).
D25 Detergents - other than soap and used for cleaning (C11D).