Patent ID: 11866631
Assignee: ECOLAB USA INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 12:
13. The method of claim 12 wherein the nitrogen- and oxygen-containing aromatic antipolymerant is a compound selected from the group consisting of
4-bis[(1-hydroxyethyl)amino]phenol,
4-bis[(1-hydroxypropyl)amino]phenol, 4-bis[(2-hydroxypropyl)amino] phenol,
4-bis[(1-hydroxybutyl)amino]phenol, 4-bis[(2-hydroxybutyl)amino]phenol, 4-bis[(3-hydroxybutyl)amino]phenol,
4-bis[(1-hydroxypentyl)amino]phenol, 4-bis[(2-hydroxypentyl)amino] phenol, 4-bis[(3-hydroxypentyl)amino]phenol, 4-bis[(4-hydroxypentyl)amino] phenol, 4-bis[(1-hydroxyhexyl)amino]phenol, 4-bis[(2-hydroxyhexyl)amino]phenol,
4-bis[(3-hydroxyhexyl)amino]phenol, 4-bis[(4-hydroxyhexyl)amino]phenol, 4-bis[(5-hydroxyhexyl)amino]phenol,4-bis[(2-hydroxy-2-phenylethyl)amino]phenol, 4-bis[(2-hydroxy-3-phenylpropyl)amino]phenol, 4-bis[(3-hydroxy-3-phenylpropyl)amino]phenol, 4-bis[(2-hydroxy-4-phenylbutyl)amino]phenol, 4-bis[(3-hydroxy-4-phenylbutyl)amino]phenol, and 4-bis[(4-hydroxy-4-phenylbutyl)amino]phenol.