Core Viewpoint - The company Fu'an Pharmaceutical (300194) has obtained invention patents related to the crystal forms and preparation methods of its psychiatric drugs Butorphanol and Midazolam, but has not yet secured patents for the related compositions [1] Group 1 - The company has responded to investor inquiries on an interactive platform regarding its patent status [1] - The patents obtained are specifically for the crystal forms and preparation methods of Butorphanol and Midazolam [1] - There is currently no patent for the related compositions of these drugs [1]

Group 1 - The company has applied for and obtained invention patents related to the crystal forms and preparation methods of its psychiatric drugs, Buprenorphine and Midazolam [2] - However, the company has not obtained any composition patents for these products [2]