Detergent composition with hydrophilizing soil-release agent and methods for using same
US7919449B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 2009 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | May 25, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Laundry detergent compositions that provide soil release benefits to all fabric comprising an organophosphorus soil release agents and optional non-cotton secondary soil release agents. The present invention further relates to a method for providing soil release benefits to cotton fabric by contacting cotton articles with a water soluble and/or dispersible organophosphorus material. The contacting can be during washing or by pretreating by applying the composition directly to stains or by presoaking the clothing in the composition prior to washing. 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.