Method for producing cellulose pulp

US3962033A · kind A · utility

Assignee

• Svenska Traforskningsinstitutet and Skogshogskolan

Inventors

• Karl-Erik Eriksson · Järpen, SE
• Paul Ander
• Bjorn Henningsson
• Thomas Nilsson · Malmö, SE
• Bill Goodell

Key dates

• Filing date: Apr 10, 1974
• Grant date: Jun 8, 1976
• Expiry date: Apr 10, 1994

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S435/911
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A method of producing cellulose pulp from a starting material containing lignin and cellulose, particularly from wood, wherein the starting material is treated with an organism capable of forming lignin-decomposing enzymes under conditions such that the lignin is substantially decomposed without appreciably affecting the cellulose.