The simplest format is a Brief Description of the Invention, which is an informal description of how to make and use the invention. The purpose of this guide is to provide you with basic information about filing a utility patent application with the USPTO.Patent Center Overview provides details on how to file an application in Patent Center. Quick Clinic Video Series. The patentability of repurposed compounds will depend on the specifics of your situation. Your best bet would be to ask a patent attorney. Under the utility patent process, a special type of application known as a provisional patent application is allowed. Absinthe has often been portrayed as a dangerously addictive psychoactive drug and hallucinogen, which gave birth to the term absinthism.