Fiber reactive phthalocyanine monoazo compounds having improved dyeing properties
US5717077A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1995 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | Dec 11, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/4403
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phthalocyanine monoazo compound which is represented by the following formula (I): ##STR1## wherein Pc represents a phthalocyanine group; M represents nickel, cobalt or copper; R.sub.1 represents a hydrogen atom or a lower alkyl group; R.sub.2 and R.sub.3 represent a hydrogen atom, a lower alkyl group, a lower alkoxy group or a sulfo group; R.sub.4 represents a hydrogen or a lower alkyl group; A represents a group containing a triazine group or a pyrazole group and/or --SO.sub.2 X wherein X represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Y and Y represents a group splittable by the action of an alkali; p is a number of 0-2; q is a number of 1-3; r is a number of 1-2; p+q+r is 4 or less or which is a salt of the compound of formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.