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1. WO2018182497 - TRANSPARENT WOOD AND A METHOD FOR ITS PREPARATION

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Publication Number WO/2018/182497
Publication Date 04.10.2018
International Application No. PCT/SE2018/050344
International Filing Date 29.03.2018
IPC
B27K 5/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING OR BLEACHING OF WOOD, OR FOR TREATING OF WOOD WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
5Staining or dyeing wood; Bleaching wood; Treating of wood not provided for in groups B27K1/ or  B27K3/105
04Combined bleaching or impregnating and drying of wood
B27K 3/15 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING OR BLEACHING OF WOOD, OR FOR TREATING OF WOOD WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
3Impregnating wood, e.g. for protection 
02Processes; Apparatus
15Impregnating involving polymerisation
C08H 7/00 2011.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
7Lignin; Modified lignin; High-molecular-weight products derived therefrom
C08H 8/00 2010.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
8Macromolecular compounds derived from lignocellulosic materials
C08L 97/00 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
97Compositions of lignin-containing materials
CPC
B27K 3/0207
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR
3Impregnating wood, ; e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
02Processes; Apparatus
0207Pretreatment of wood before impregnation
B27K 3/0292
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR
3Impregnating wood, ; e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
02Processes; Apparatus
0278involving an additional treatment during or after impregnation
0292for improving fixation
B27K 3/15
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR
3Impregnating wood, ; e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
02Processes; Apparatus
15Impregnating involving polymerisation ; including use of polymer-containing impregnating agents
B27K 5/02
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
KPROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR
5Treating of wood not provided for in groups B27K1/00, B27K3/00
02Staining or dyeing wood
C08H 8/00
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
HDERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
8Macromolecular compounds derived from lignocellulosic materials
C08L 2201/10
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
2201Properties
10Transparent films; Clear coatings; Transparent materials
Applicants
  • CELLUTECH AB [SE]/[SE]
Inventors
  • LI, Yuanyuan
  • ROJAS, Ramiro
  • BERGLUND, Lars
Agents
  • NOVITAS PATENT AB
Priority Data
1750376-429.03.2017SE
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TRANSPARENT WOOD AND A METHOD FOR ITS PREPARATION
(FR) BOIS TRANSPARENT ET SON PROCÉDÉ DE PRÉPARATION
front page image
Abstract
(EN)
A transparent wood comprising at least one polymer and a wood substrate comprising more than 15 % lignin, measured as Klason lignin, and having an optical transmittance of at least 60%, as well as a method for its preparation.
(FR)
L'invention concerne un bois transparent comprenant au moins un polymère et un substrat de bois comprenant plus de 15% de lignine, mesurée sous la forme de lignine de Klason, et ayant une transmittance optique d'au moins 60%, ainsi qu'un procédé pour sa préparation.
Also published as
AU2018245016
CA3055904
CN110603124
EP3600806
JP2020515437
US20200023546
Latest bibliographic data on file with the International Bureau
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