Liquid detergent compositions containing disulfonated fluorescent whitening agents: di-styryl-biphenyl or di-styryl-benzene derivatives
US4925595A · kind A · utility
4Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1988 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Jun 27, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/918
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Liquid detergent compositions which are stable on storage and contain fluorescent whitening agents from the class of the disulfonated distyrylbiphenyl and distyrylphenyl compounds; they do not produce bleach spots on direct contact with textile fabric. Some of the fluorescent whitening agents used are novel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.