ClassID:

47044

B27K3/156 - CPC Classification

Classification description:

Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process; Processes; Apparatus; Impregnating involving polymerisation including use of polymer-containing impregnating agents Combined with grafting onto wood fibres

Recent Application in this class:
#1
20250381704
2025-12-18

ELEVATED PRESSURE HYBRID WOOD MODIFICATION

#2
20240391132
2024-11-28

METHOD FOR STABILISATION, HYDROPHOBATION AND ENHANCED DURABILITY TREATMENT OF RENEWABLE LIGNO-CELLULOSIC MATERIALS AND A RESULTING BIO-BASED PRODUCT

#3
20240246256
2024-07-25

COMBINED PROCESS OF HYDROLYSIS AND ESTERIFICATION OF WOOD

#4
20240116209
2024-04-11

METHOD FOR MANUFACTURING A WOOD-POLYMER COMPOSITE

#5
20230347547
2023-11-02

Treated Cellulosic Materials and Methods of Making the Same

#6
20210196027
2021-07-01

WOOD-ENCASED PENCIL

#7
20200254646
2020-08-13

Treated porous material

#8
20170113373
2017-04-27

Treated porous material

#9
20160129971
2016-05-12

Decking

#10
20140322395
2014-10-30

Hydrophobic paper, cardboard, and packaging

#11
20140154515
2014-06-05

Polymer impregnated bamboo

#12
20130022822
2013-01-24

Compositions and methods for making glass fortified wood

#13
20130011686
2013-01-10

Treatment agent for use in lignocellulose material

#14
20120161060
2012-06-28

Method for Treating Lignocellulosic Parts

#15
20120128962
2012-05-24

Decking

#16
20120101620
2012-04-26

Apparatus and operating systems for manufacturing impregnated wood

#17
20110301286
2011-12-08

Phosphazene additives

#18
20110143147
2011-06-16

Agent for providing substrates based on cellulose and/or starch with water repellent and simultaneously antifungal, antibacterial insect-repellent and antialgal properties

#19
20100178358
2010-07-15

Polysaccharide-based impregnated solid material with improved stability, processes for the preparation thereof and impregnating solutions used

#20
20100068543
2010-03-18

Modification of wood with hydrophilic prepolymers

#21
20100058694
2010-03-11

IMPARTING WATER REPELLENCY TO LAMINATE AND PARQUET EDGES

#22
20100003411
2010-01-07

Method for treating wooden parts

#23
20090272292
2009-11-05

Lignocellulosic products and methods for their manufacture

#24
20090261297
2009-10-22

Compositions for treating materials and methods of treating same

#25
20090214668
2009-08-27

Preservative compositions for wood products

#26
20090053545
2009-02-26

PRESERVATIVE COMPOSITIONS FOR MATERIALS AND METHOD OF PRESERVING SAME

#27
20080223360
2008-09-18

Production of Modified Lignocellulosic Materials

#28
20080075874
2008-03-27

Process for treating wood and products from treated wood

#29
20080047467
2008-02-28

Preservative compositions for wood products

#30
20080047460
2008-02-28

Preservative compositions for materials and method of preserving same

#31
20080014110
2008-01-17

Preservative compositions for wood products

#32
20070107630
2007-05-17

Preservative compositions for materials and method of preserving same

#33
20070029279
2007-02-08

Wood treating formulation

#34
20060243323
2006-11-02

Emulsions for lignocellulosic products, methods of their manufacture, improved lignocellulosic products and methods for their manufacture

#35
20060225608
2006-10-12

Preservative compositions for wood products

#36
20060225607
2006-10-12

Preservative compositions for wood products

#37
20060141121
2006-06-29

Vegetable article, product containing the same and process for producing vegetable article

#38
20060094801
2006-05-04

Furan polymer impregnated wood

#39
20060088605
2006-04-27

Preservative compositions for materials and method of preserving same

#40
20060086283
2006-04-27

Water repellent cellulose preservative

#41
20060051607
2006-03-09

Method for improving the surface hardness of a wooden body using an aqueous solution of an impregnating agent

#42
20050260422
2005-11-24

Microbiological abatement coating system

#43
20050186348
2005-08-25

Process for treating wood and products from treated wood

#44
20050153152
2005-07-14

Process for treating wood and products

#45
20050038182
2005-02-17

Wood products and processes for the preparation thereof