(under subclass 1) Subject matter wherein the active ingredient is a plant or an animal extract.
(1) Note. This class provides for processes of extracting such extracts when not provided for elsewhere.
SEE OR SEARCH CLASS
426, Food or Edible Material: Processes, Compositions, and Products, for plant or animal extracts disclosed or claimed to be flavoring agents. Extracts or essences which do not have any utility disclosed or claimed and which traditionally have been employed as flavorings, flavor enhancers, seasoning agents, food acidulates for condiments are classified in Class 426. An example is citrus oil which has been used for centuries as a flavoring agent.