Mixture of sulfuric esters
US6989038B2 · kind B2 · utility
0Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 25, 2001 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Jun 7, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to novel mixtures of sulfuric esters and specific sulfuric esters that are useful as leveling agents for the dyeing of nitrogenous fiber materials and to a process for their preparation by reacting sulfuryl chloride with specific alcohols.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.