WO1998059108A3 - Systeme d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique - Google Patents

Systeme d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique Download PDF

Info

Publication number
WO1998059108A3
WO1998059108A3 PCT/DE1998/001689 DE9801689W WO9859108A3 WO 1998059108 A3 WO1998059108 A3 WO 1998059108A3 DE 9801689 W DE9801689 W DE 9801689W WO 9859108 A3 WO9859108 A3 WO 9859108A3
Authority
WO
WIPO (PCT)
Prior art keywords
oxidation
oxidizing agents
system components
bleaching system
enzymatically produced
Prior art date
Application number
PCT/DE1998/001689
Other languages
German (de)
English (en)
Other versions
WO1998059108A2 (fr
Inventor
Hans-Peter Call
Original Assignee
Blume Hildegard
Call Hans Peter
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blume Hildegard, Call Hans Peter filed Critical Blume Hildegard
Priority to CA002335253A priority Critical patent/CA2335253A1/fr
Priority to EP98936232A priority patent/EP1012376A2/fr
Publication of WO1998059108A2 publication Critical patent/WO1998059108A2/fr
Publication of WO1998059108A3 publication Critical patent/WO1998059108A3/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00Macromolecular compounds derived from lignin, e.g. tannins, humic acids
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02Anionic compounds
    • C11D1/04Carboxylic acids or salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/38Products with no well-defined composition, e.g. natural products
    • C11D3/386Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38627Preparations containing enzymes, e.g. protease or amylase containing lipase
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/38Products with no well-defined composition, e.g. natural products
    • C11D3/386Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38636Preparations containing enzymes, e.g. protease or amylase containing enzymes other than protease, amylase, lipase, cellulase, oxidase or reductase
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/38Products with no well-defined composition, e.g. natural products
    • C11D3/386Preparations containing enzymes, e.g. protease or amylase
    • C11D3/38654Preparations containing enzymes, e.g. protease or amylase containing oxidase or reductase
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39Organic or inorganic per-compounds
    • C11D3/3902Organic or inorganic per-compounds combined with specific additives
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06LDRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L4/00Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
    • D06L4/10Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
    • D06L4/12Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/02After-treatment
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/13Fugitive dyeing or stripping dyes
    • D06P5/137Fugitive dyeing or stripping dyes with other compounds
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/15Locally discharging the dyes
    • D06P5/158Locally discharging the dyes with other compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005Treatment of cellulose-containing material with microorganisms or enzymes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02Working-up waste paper
    • D21C5/025De-inking
    • D21C5/027Chemicals therefor
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1036Use of compounds accelerating or improving the efficiency of the processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/16Bleaching ; Apparatus therefor with per compounds
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Textile Engineering (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Microbiology (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Paper (AREA)
  • Enzymes And Modification Thereof (AREA)

Abstract

L'invention concerne un système d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique, à savoir un système enzymes-composants utilisé comme système d'oxydation et de blanchiment pour la production d'agents d'oxydation spéciaux hautement sélectifs, constitué de: a) composant de système (1): au moins une hydrolase de la classe d'enzymes 3.1, 3.1.1, 3.1.2, 3.1.3, 3.1.4 ou 3.1.7 et/ou au moins une hydrolase de la classe d'enzymess 3.5, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5 ou 3.5.99; b) composant de système 2): au moins un acide gras, de préférence ayant 6 à 26 atomes de C (saturé, mono ou polyinsaturé); c) composant de système 3): au moins un agent d'oxydation précurseur destiné à réagir avec les enzymes; d) composant de système 4): au moins une cétone du groupe des composés carbonylés.
PCT/DE1998/001689 1997-06-20 1998-06-19 Systeme d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique WO1998059108A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002335253A CA2335253A1 (fr) 1997-06-20 1998-06-19 Systeme d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique
EP98936232A EP1012376A2 (fr) 1997-06-20 1998-06-19 Systeme d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19726323.2 1997-06-20
DE19726323 1997-06-20

Publications (2)

Publication Number Publication Date
WO1998059108A2 WO1998059108A2 (fr) 1998-12-30
WO1998059108A3 true WO1998059108A3 (fr) 1999-03-18

Family

ID=7833195

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1998/001689 WO1998059108A2 (fr) 1997-06-20 1998-06-19 Systeme d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique

Country Status (3)

Country Link
EP (1) EP1012376A2 (fr)
CA (1) CA2335253A1 (fr)
WO (1) WO1998059108A2 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE333529T1 (de) * 1998-04-03 2006-08-15 Novozymes As Behandlung von denimgewebe mit einem pektolytischen enzym
AU2001262291A1 (en) * 2000-05-31 2001-12-11 Convents, Daniel Enzymatic oxidation composition and process
AU2002221736A1 (en) 2000-10-31 2002-05-15 Unilever Plc Oxidation process and composition
DE10126988A1 (de) * 2001-06-05 2002-12-12 Call Krimhild Enzymatische Systeme zur Generierung aktiver Sauerstoffspezies zur Reaktion mit anderen Percursern zur Oxidation und/oder Bleiche
AU2002351904A1 (en) * 2001-12-03 2003-06-17 Iogen Bio-Products Corporation Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
DE10203135A1 (de) * 2002-01-26 2003-07-31 Call Krimhild Neue katalytische Aktivitäten von Oxidoreduktasen zur Oxidation und/oder Bleiche
DE102004020355A1 (de) 2004-04-26 2005-11-10 Call, Krimhild Oxidative, reduktive, hydrolytische und andere enzymatische Systeme zur Oxidation, Reduktion, zum Coaten, Koppeln und Crosslinken von natürlichen und künstlichen Faserstoffen, Kunststoffen oder anderen natürlichen und künstlichen Mono- bis Polymerstoffen
DE102009025190A1 (de) 2009-06-12 2010-12-16 Call, Krimhild Enzymatische Systeme zum Koppeln und Cross-linken von Textilien und Biomaterialien für Medizinprodukte und von anderen Stoffen und/oder Materialien
JP6084689B2 (ja) 2012-06-22 2017-02-22 バックマン・ラボラトリーズ・インターナショナル・インコーポレーテッドBuckman Laboratories International Incorporated 製紙プロセスにおけるピッチ制御にリパーゼと酸化剤との組合せを使用する方法及びそれによる製品
EP3047065A1 (fr) * 2013-09-20 2016-07-27 Novozymes A/S Blanchiment enzymatique de pulpe de papier
FI126736B (en) 2013-11-26 2017-04-28 Upm Kymmene Corp A process for treating lignin and preparing a binder composition
DE102014225918A1 (de) * 2014-12-15 2016-06-16 Henkel Ag & Co. Kgaa Bilirubin-Oxidasen als Farbübertragungsinhibitor in Wasch- und Reinigungsmitteln
CN111424419B (zh) * 2020-05-22 2022-11-04 无锡浦惠恒业纺织科技有限公司 含有二苯酮结构衍生物的双氧水催化体系及其在纺织品低温前处理中的应用
US12065367B2 (en) 2021-04-23 2024-08-20 Ecolab Usa Inc. Volatile fatty acid control
CN113106041B (zh) * 2021-05-07 2022-07-05 武汉大学 一株假单胞菌及其应用
CN113984927B (zh) * 2021-10-25 2023-09-26 南京锐志生物医药有限公司 一种甲烷三羧酸三乙酯有关物质的气相色谱分析方法
CN114000205B (zh) * 2021-12-06 2023-04-04 东华大学 一种高质量低污染选择性氧化苎麻脱胶的方法
CN114086261A (zh) * 2021-12-06 2022-02-25 东华大学 一种氧化程度可控的苎麻脱胶方法
CN114086262B (zh) * 2021-12-06 2023-06-27 东华大学 一种使用氮羟基邻苯二甲酰亚胺苎麻氧化脱胶方法
CN114958796A (zh) * 2022-06-26 2022-08-30 上海龙殷生物科技有限公司 一种姜黄素的糖基化方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822114A (en) * 1971-08-05 1974-07-02 Procter & Gamble Bleaching process and compositions therefor
EP0375102A2 (fr) * 1988-12-19 1990-06-27 The Clorox Company Système de blanchiment enzymatique par un péracide avec une enzyme modifiée
EP0453275A1 (fr) * 1990-04-19 1991-10-23 Nippon Oil Co. Ltd. Procédé pour la préparation de composés epoxy
WO1994018386A1 (fr) * 1993-02-01 1994-08-18 Solvay Interox Procede ameliore et composition de delignification d'un materiau lignocellulosique
US5525121A (en) * 1994-05-18 1996-06-11 Colgate-Palmolive Company Dioxirane compounds useful for bleaching fabrics
EP0717143A1 (fr) * 1994-12-16 1996-06-19 Lignozym GmbH Système à plusieurs composants pour modifier, dégrader ou blanchir la lignine, des matériaux contenant de la lignine ou des produits similaires de même que leur procédé d'utilisation
WO1997013833A1 (fr) * 1995-10-06 1997-04-17 Unilever N.V. Systeme anti-mousse destine a des compositions de lavage automatique de la vaisselle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3822114A (en) * 1971-08-05 1974-07-02 Procter & Gamble Bleaching process and compositions therefor
EP0375102A2 (fr) * 1988-12-19 1990-06-27 The Clorox Company Système de blanchiment enzymatique par un péracide avec une enzyme modifiée
EP0453275A1 (fr) * 1990-04-19 1991-10-23 Nippon Oil Co. Ltd. Procédé pour la préparation de composés epoxy
WO1994018386A1 (fr) * 1993-02-01 1994-08-18 Solvay Interox Procede ameliore et composition de delignification d'un materiau lignocellulosique
US5525121A (en) * 1994-05-18 1996-06-11 Colgate-Palmolive Company Dioxirane compounds useful for bleaching fabrics
EP0717143A1 (fr) * 1994-12-16 1996-06-19 Lignozym GmbH Système à plusieurs composants pour modifier, dégrader ou blanchir la lignine, des matériaux contenant de la lignine ou des produits similaires de même que leur procédé d'utilisation
WO1997013833A1 (fr) * 1995-10-06 1997-04-17 Unilever N.V. Systeme anti-mousse destine a des compositions de lavage automatique de la vaisselle

Also Published As

Publication number Publication date
WO1998059108A2 (fr) 1998-12-30
EP1012376A2 (fr) 2000-06-28
CA2335253A1 (fr) 1998-12-30

Similar Documents

Publication Publication Date Title
WO1998059108A3 (fr) Systeme d'oxydation et de blanchiment comportant des agents d'oxydation produits par action enzymatique
CA2185100A1 (fr) Methode de preparation de solutions aqueuses renfermant de l'acide performique; utilisation
WO2000050621A3 (fr) Procede d'oxydation selective d'alcools primaires et nouveaux aldehydes glucidiques
EP1413555A4 (fr) Procede d'antioxydation et eau a fonction antioxydante
PL350423A1 (en) Process for selective oxidation of cellulose
ATE136927T1 (de) Modifiziertes enzym enthaltendes, enzymatisches persäure-bleichmittelsystem
WO2001068037A3 (fr) Melanges d'esters d'acide silique
ATE276347T1 (de) Aktivatoren für persauerstoffverbindungen in wasch- und reinigungsmitteln
EP1281750A3 (fr) Monoglycérides contenant des acides gras conjugués et leur procédé de production
CA2191766A1 (fr) Agent sterilisateur a la temperature ambiante
CA2211494A1 (fr) Methode pour accroitre l'activite enzymatique a temperature elevee
EP0338499A3 (fr) Acides gras hautement insaturés et stabilisés et leurs dérivés
AU1408900A (en) Method for synthesizing cdna
WO1998000507A3 (fr) Compositions detergentes non aqueuses contenant des precurseurs de blanchiment
EP0822183A3 (fr) Procédé pour la préparation de peracides et compositions les contenant
AU7876200A (en) Method for purifying acetone
AU2002344340A1 (en) Enzymatic systems for generating active oxygen species for reacting with other precursors to obtain oxidation and/or bleaching
EP0400858A3 (fr) Composition de nettoyage
BR9908395B1 (pt) processo de tratamento da mistura da reação proveniente da oxidação direta do ciclo-hexano a ácido adìpico.
CA2325411A1 (fr) Procedes ameliores de synthese et de purification de graisses non digestibles
CA2134270A1 (fr) Destruction des nox dans l'acide sulfurique
AU6344899A (en) Tablet for crunching with masked taste and instant release of active principle and method for making same
EP0345081A3 (fr) Agent pour supprimer la formation d'enzyme
AU6611590A (en) Production of glyoxylic acid by enzymatic oxidation of glycolic acid
WO1996006909A3 (fr) Melange enzymatique liberant de l'oxygene actif et preparation de peracides

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): BR CA FI JP US

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
AK Designated states

Kind code of ref document: A3

Designated state(s): BR CA FI JP US

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 1998936232

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: JP

Ref document number: 1999503579

Format of ref document f/p: F

WWP Wipo information: published in national office

Ref document number: 1998936232

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 09446373

Country of ref document: US

ENP Entry into the national phase

Ref document number: 2335253

Country of ref document: CA

NENP Non-entry into the national phase

Ref country code: CA