Patent ID: 11970820
Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  A  C  B | IPC A  B  C  D

Claim 2:
3. The method of claim 1, wherein the N-oxyl compound is selected from 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO), 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl (4-hydroxy TEMPO), a 4-hydroxy TEMPO derivative obtained by etherification or esterification of a hydroxyl group of 4-hydroxy TEMPO, a phthalimide-N-oxyl (PINO) radical, an aza-adamantane type nitroxy radical, or a mixture thereof.