The discovery of aspirin by Gerhardt was abandoned until finally Felix Hoffman, a German chemist, rediscovered it in 1887 and figured out of its special house of minimized gastrointestinal discomfort as opposed with salicylic acid. Shortly afterward, "aspirin" was patented by Bayer in 1889 as a fresh analgesic wonder drug. https://www.directivepublications.org/allergy-and-clinical-immunology/