Publication number: 20240101933
Abstract: A phosphate-free automatic dishwashing cleaning composition comprising i) a protease wherein the protease is a variant having at least 60% identity with the amino acid sequence of SEQ ID NO:1 and comprising at least one amino acid substitution (using the SEQ ID NO: 1 numbering) selected from the group consisting of X54T; X126A, D, G, V, E, K, I; X127E, S, T, A, P, G, C; and X128E, C, T, D, P, G, L, Y, N; and ii) from 10 to 50% by weight of the composition of a complexing agent system comprising from 0 to less than 30% by weight of the composition of citric acid.
Type:
Application
Filed:
October 27, 2023
Publication date:
March 28, 2024
Inventors:
Michelle JACKSON, Eva Maria PEREZ-PRAT de VINUESA, David John TARBIT, Philip Frank SOUTER, Lilia Maria BABE, David Aaron ESTELL, Frits GOEDEGEBUUR, Harm Jan MULDER, Sina PRICELIUS, Lydia DANKMEYER, Thijs KAPER, Hatice Billur ENGIN
Patent number: 11834634
Abstract: A phosphate-free automatic dishwashing cleaning composition comprising i) a protease wherein the protease is a variant having at least 60% identity with the amino acid sequence of SEQ ID NO:1 and comprising at least one amino acid substitution (using the SEQ ID NO: 1 numbering) selected from the group consisting of X54T; X126A, D, G, V, E, K, I; X127E, S, T, A, P, G, C; and X128E, C, T, D, P, G, L, Y, N; and ii) from 10 to 50% by weight of the composition of a complexing agent system comprising from 0 to less than 30% by weight of the composition of citric acid.
Type:
Grant
Filed:
December 12, 2018
Date of Patent:
December 5, 2023
Assignee:
The Procter & Gamble Company
Inventors:
Michelle Jackson, Eva Maria Perez-Prat de Vinuesa, David John Tarbit, Philip Frank Souter, Lilia Maria Babe, David Aaron Estell, Frits Goedegebuur, Harm Jan Mulder, Sina Pricelius, Lydia Dankmeyer, Thijs Kaper, Hatice Billur Engin