Prevention of dye-bleeding and transfer during laundering
US5707949A · kind A · utility
0Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1996 |
| Grant date | Jan 13, 1998 |
| Priority date | — |
| Expiry date | Apr 4, 2016 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Adding to a laundry detergent a resole condensation polymer prepared by reacting bis(hydroxyphenyl)sulfone with formaldehyde in the presence of a base thereby preventing or suppressing dye-transfer and dye-bleeding during laundering of nylon, rayon, cotton, acetate, or wool fabrics is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.