Use of enzymes to reduce aldehydes from aldehyde-containing products

US9109200B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Andrea Piatesi · Mannheim, DE
• Tilo Habicher · Speyer, DE
• Michael Büschel · Worms, DE
• Li-Wen Wang · Mannheim, DE
• Jurgen Reichert · Schifferstadt, DE
• Rainer Packe-Wirth · Trostberg, DE
• Kai-Uwe Baldenius · Ludwigshafen, DE
• Erich Kromm · Bad Dürkheim, DE
• Stefan Häfner · Ludwigshafen, DE
• Carsten Schwalb · Mannheim, DE
• Hans Wolfgang Höffken · Ludwigshafen, DE

Key dates

• Filing date: Mar 31, 2010
• Grant date: Aug 18, 2015
• Expiry date: Mar 23, 2031

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P1/56
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

The invention relates to the use of an enzyme preparation which catalyzes the degradation of formaldehyde for reducing the formaldehyde content in a formaldehyde-containing formulation. In a preferred embodiment, the enzyme preparation contains a formaldehyde dismutase from a Pseudomonas putida strain. Further, the invention refers to a process for reducing the formaldehyde content in cross-linking agents for textile finishing or in polymer dispersions used, e.g. in construction chemistry. Further the invention relates to the use of an enzyme preparation which catalyzes the degradation of aldehydes for reducing the formaldehyde content in an aldehyde-containing formulation. Furthermore, the invention relates to a novel variant of the formaldehyde dismutase from Pseudomonas putida.