Azo compound having one or two aliphatic or cycloaliphatic groups containing a total of 8 to 40 carbon atoms therein
US4804747A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1986 |
| Grant date | Feb 14, 1989 |
| Priority date | — |
| Expiry date | Oct 16, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S534/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
(i) A compound of the formula: ##STR1## wherein R is H, a metal or a group containing a tetravalent N atom; PA1 X is S, O, ##STR2## R.sup.1 is NO.sub.2, CN or COOY; Y is H, C.sub.1-4 -alkyl, a metal or a group containing a tetravalent N atom; PA1 R.sup.2 and R.sup.3 are each independently H or a non-hydrophilic aliphatic or cycloaliphatic group containing up to 30 carbon atoms; PA1 R.sup.4 and R.sup.5 are each independently H or a non-hydrophilic aliphatic or cycloaliphatic group containing up to 30 carbon atoms; and PA1 R.sup.6 and R.sup.7 are each independently H or a non-hydrophilic group containing up to 4 carbon atoms; or PA1 R.sup.4 and R.sup.6 together comprise ring fused to Ring A and R.sup.5 and R.sup.7 are as hereinbefore defined; or PA1 R.sup.5 and R.sup.7 together comprise ring fused to Ring A and R.sup.4 and R.sup.6 are as hereinbefore defined; or PA1 R.sup.2 and R.sup.4 together with the N atom to which R.sup.2 is attached form a ring fused to Ring A and R.sup.3 and R.sup.5 are as hereinbefore defined; or PA1 R.sup.3 and R.sup.5 together with the N atom to which R.sup.3 is attached form a ring fused to Ring A and R.sup.2 and R.sup.4 are as hereinbefore defined; provid…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.