Patent · US Expired

Photocurable composition and color reversion preventing method

US6165686A · kind A · utility

2Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 1998
Grant dateDec 26, 2000
Priority date
Expiry dateMay 21, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/117
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Color reversion of photocured products which have been photocured with cationic dyes and quaternary organo borates can be notably suppressed by addition of phenolic compounds, aromatic thiol compounds, amine compounds and/or phosphorous compounds.

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