GENEVA, Dec. 2 -- COVESTRO LLC (1 Covestro CirclePittsburgh, Pennsylvania 15205) filed a patent application (PCT/US2025/023595) for "METHOD FOR RECOVERING O-AMINOPHENOL" on Apr 08, 2025. With publication no. WO/2025/244748, the details related to the patent application was published on Nov 27, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): BISEN, Milind (1 Covestro CirclePittsburgh, Pennsylvania 15205), CARRASQUILLO TIRADO, Nahomi (1 Covestro CirclePittsburgh, Pennsylvania 15205)

Abstract: The invention relates to a method for recovering o-aminophenol, comprising: (i) purifying aniline in ...