CELLULASE PREPARATION CONTAINING NONIONIC SURFACTANT AND METHOD OF TREATING FIBER

• Main Authors: BABA, YUKO, KONO, TOSHIAKI, KOGA, JINICHIRO, NAKANE, AKITAKA
• Format: Patent
• Language: English; French; Japanese
• Published: 16.05.2002
• Edition: 7
• Subjects: ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; APPARATUS THEREFOR; BEER; BIOCHEMISTRY; BLEACHING LEATHER OR FURS; CANDLES; CHEMISTRY; COMPOSITIONS THEREOF; CULTURE MEDIA; DETERGENT COMPOSITIONS; DETERGENTS; DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM; DYEING OR PRINTING TEXTILES; ENZYMOLOGY; FATTY ACIDS THEREFROM; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; LAUNDERING; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; PAPER-MAKING; PRODUCTION OF CELLULOSE; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; RECOVERY OF GLYCEROL; REGENERATION OF PULPING LIQUORS; RESIN SOAPS; SOAP OR SOAP-MAKING; SPIRITS; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS; USE OF SINGLE SUBSTANCES AS DETERGENTS; VINEGAR; WINE

A cellulase preparation characterized by containing a transconjugant-origin endoglucanase together with a nonionic surfactant; detergent compositions obtained by blending the above cellulase preparation with detergent components; a method of treating a fiber characterized by treating a cellulose-containing fiber with the above cellulase preparation to thereby improve the properties of the fiber; a method of deinking waste paper characterized by involving the step of treating the waste paper with the above cellulase preparation together with a deinking agent; and a method of improving the freeness of paper pulp characterized by involving the step of treating the paper pulp with the above cellulase preparation. L'invention concerne une préparation de cellulase caractérisée en ce qu'elle contient une endoglucanase d'origine transconjuguée et un tensioactif non ionique ; des compositions détergentes obtenues par mélange de ladite préparation de cellulase avec des composants détergents ; un procédé de traitement de fibre consistant à traiter une fibre contenant de la cellulose avec ladite préparation de cellulose de manière à améliorer les propriétés de la fibre ; un procédé de désencrage de papier usé consistant à traiter le papier usé au moyen de ladite préparation de cellulase et d'un agent de désencrage ; et, un procédé d'amélioration de l'indice d'égouttage d'une pâte à papier consistant à traiter la pâte à papier avec ladite préparation de cellulase.