Officially file your request for a food patent. No, it is generally not possible for someone to patent the process of making bread.The main reasons are: 1. Yes, you can patent a food preservation method. A food preservation method is a process for preserving food and patentable as a utility patent. This is of general rectangular form and is adapted to hold a complete loaf of bread in the customary sliced form. The liquid bread improver according to the present invention may be used in, for example, a variety of products in the bakery industry or in extruded snacks. We'll go through the most common licenses and permits needed in Illinois, what they are and why you need them, how to get them, and how much they cost. To learn more about cottage food and the requirements to operate, contact the IDPH food program or your local health department. A single multipurpose shortening can be used for producing a variety of bakery goods such as cakes, breads, icings, toppings, fillings etc.