Benzophenone ether esters, processes for their preparation, and their use for improving the light stability of polyester dyeings
US5244476A · kind A · utility
31Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 1992 |
| Grant date | Sep 14, 1993 |
| Priority date | — |
| Expiry date | Mar 13, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compounds of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, x and y are defined as in the description, processes for their preparation, their use for improving the light stability of polyester dyeings and a dyeing process and dye preparations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.