Prevention of dye redeposition in fabric washing processes
US6008182A · kind A · utility
5Cited by
6References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1998 |
| Grant date | Dec 28, 1999 |
| Priority date | — |
| Expiry date | Jun 22, 2018 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for preventing dye redeposition during the washing of a dyed fabric or garment made from natural fibers, which process incorporates as a dye redeposition inhibiting agent, a water-soluble or water-dispersible polyester resin composition comprising a reaction product of 20%-50% by weight of terephthalate polymer or waste terephthalate polymer, 10-40% by weight of at least one glycol and 5-25% by weight of at least one oxyalkylated polyol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.