Laundry detergent compositions and methods for providing soil release to cotton fabric
US5968893A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1997 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Apr 22, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/38618
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Laundry detergent compositions that provide soil release benefits to all fabric comprising modified polyamine cotton soil release agents and non-cotton soil release agents, and a method for providing soil release benefits to cotton fabric by contacting cotton articles with a water soluble and/or dispersible, modified polyamine having functionalized backbone moieties and improved stability toward bleach. The present invention further relates to providing soil release benefits to all fabric in the laundry wash load in the presence of a bleaching agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.