Patent · US Expired

Laundry articles

US7256166B2 · kind B2 · utility

1Cited by

47References

13Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Kemal Vatansever Catalan · Chillicothe, US
Nicholas David Vetter · Cleves, US
Rajan Keshav Panandiker · Sharonville, US
Yousef Georges Aouad · Cincinnati, US
Dieter Boeckh · Schifferstadt, DE
Stefan Frenzel · Weinheim, DE
Cordula Mock-Knoblauch · Ludwigshafen, DE

Key dates

Filing date	Jan 16, 2003
Grant date	Aug 14, 2007
Priority date	—
Expiry date	Oct 24, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/2893
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Laundry articles comprise a water-insoluble substrate and a particulate soil absorber comprising a crosslinked polyamide including units having a nucleophilic group. The particulate soil absorber is adhered to the water-insoluble substrate and is effective for inhibiting transfer or redeposition of particulate soil to items in a wash solution. Methods for making such articles comprise adhering a particulate soil absorber comprising a crosslinked polyamide including units having a nucleophilic group to the water-insoluble substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.