Patent · US Expired

C-nitrosoaniline compounds and their blends as polymerization inhibitors

US7022220B2 · kind B2 · utility

6Cited by
54References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 10, 2003
Grant dateApr 4, 2006
Priority date
Expiry dateMay 9, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S585/95
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine oxime compounds. Also disclosed is a composition of matter comprising:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.