US patent class 426: food or edible material: processes, composition and products [detailed description]
Topics include: cooking, freezing, fermentation, separation of constituents, preservation, additives, sterilization, packaging...
US patent class 426: food or edible material: processes, composition and products [detailed description]
Topics include: cooking, freezing, fermentation, separation of constituents, preservation, additives, sterilization, packaging...