Cleaning agent containing amylases

US11306278B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Thomas Eiting · Goldkronach, DE
• Nina Mussmann · Willich, DE
• Thorsten Bastigkeit · Wuppertal, DE
• Inga Kerstin Vockenroth · Goldkronach, DE
• Noelle Wrubbel · Goldkronach, DE
• Thomas Weber · Dormagen, DE
• Silke Menke · Haan, DE

Key dates

• Filing date: Jul 12, 2019
• Grant date: Apr 19, 2022
• Expiry date: Jul 12, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/14
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A cleaning agent for hard surfaces and methods for cleaning are provided herein. In one embodiment, the cleaning agent includes at least one first amylase, wherein the first amylase is an α-amylase from Bacillus sp. No. 707 or a functional fragment or a variant thereof. The cleaning agent further includes at least one second amylase, wherein the second amylase is an AA560 α-amylase from Bacillus sp. or a functional fragment or a variant thereof. In another embodiment, the method includes dispensing the cleaning agent into the interior of an automatic dishwasher while a dishwashing program is being executed, before the main washing cycle begins, or in the course of the main washing cycle.