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

Claim 8:
9. The method of claim 8 wherein the nitrogen- and oxygen-containing aromatic antipolymerant is a compound selected from the group consisting of
4-bis[(2-methoxy-l-hydroxy-ethyl)amino]phenol, 4-bis[(3-methoxy-2-hydroxy-propyl) amino]phenol, 4-bis[(4-methoxy-2-hydroxy-butyl)amino]phenol,
4-bis[(5-methoxy-2-hydroxy-pentyl)amino]phenol, 4-bis[(6-methoxy-2-hydroxy-hexyl)amino]phenol, 4-bis[(methoxyhydroxyphenyl)amino]phenol;
4-bis[(2-ethoxy-l-hydroxy-ethyl)amino]phenol, 4-bis[(3-ethoxy-2-hydroxy-propyl) amino]phenol, 4-bis[(4-ethoxy-2-hydroxy-butyl)amino]phenol, 4-bis[(5-ethoxy-2-hydroxy-pentyl)amino]phenol, 4-bis[(6-ethoxy-2-hydroxy-hexyl)amino]phenol, 4-bis[(ethoxyhydroxyphenyl)amino]phenol;
4-bis[(2-propoxy-l-hydroxy-ethyl)amino]phenol, 4-bis[(3-propoxy-2-hydroxy-propyl) amino]phenol, 4-bis[(4-propoxy-2-hydroxy-butyl)amino]phenol, 4-bis[(5-propoxy-2-hydroxy-pentyl)amino]phenol, 4-bis[(6-propoxy-2-hydroxy-hexyl) amino]phenol, 4-bis[(propoxyhydroxyphenyl)amino]phenol,
4-bis[(2-butoxy-l-hydroxy-ethyl)amino]phenol, 4-bis[(3-butoxy-2-hydroxy-propyl) amino]phenol, 4-bis[(4-butoxy-2-hydroxy-butyl)amino]phenol, 4-bis[(5-butoxy-2-hydroxy-pentyl)amino]phenol, 4-bis[(6-butoxy-2-hydroxy-hexyl)amino]phenol, and 4-bis[(butoxyhydroxyphenyl)amino]phenol.