Removal of greasy stains comprising porous polyamide particles

US9365807B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Nicole Bode · Goldkronach, DE
• Benoit Luneau · Ratingen, DE
• Inga Kerstin Vockenroth · Goldkronach, DE
• Yvonne Willemsen · Korschenbroich, DE

Key dates

• Filing date: Jun 3, 2015
• Grant date: Jun 14, 2016
• Expiry date: Jun 3, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The application describes the use of porous polyamide particles which have a volume-weighted median particle size of 1 to 50 μm, an oil absorption capacity of at least 60 g/100 g, and a specific BET surface area (as specified in DIN 66131) of 1 to 20 m2/g, for removing greasy stains from textile surfaces in a laundry detergent or cleaning agent which is used in a laundry or cleaning process.