Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – Enzyme component of specific activity or source
Patent
1997-05-07
2000-07-11
Fries, Kery
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
Enzyme component of specific activity or source
510530, 510320, 510321, 510305, 510306, C11D 3386
Patent
active
060873159
ABSTRACT:
The present invention relates to protease variants, stabilized towards the inactivation caused by peroxidase systems, in which protease variants a naturally occurring tyrosine residue has been deleted or substituted with a different amino acid residue at one or more positions. The invention also relates to a method of stabilizing a protease towards the inactivation caused by peroxidase systems, and detergent compositions comprising a protease variant of the invention.
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patent: 5482849 (1996-01-01), Branner et al.
patent: 5631217 (1997-05-01), Branner et al.
patent: 5677272 (1997-10-01), Ghosh et al.
patent: 5679630 (1997-10-01), Baeck et al.
patent: 5837517 (1998-11-01), Sierkstra et al.
Halkier Torben
Nielsen Egon
Rasmussen Grethe
Fries Kery
Gregg, Esq. Valeta
Novo Nordisk A S
Zelson Esq. Steve T.
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