ClassID:

47029

B27K3/0271 - 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 Vapour phase impregnation

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

ELEVATED PRESSURE HYBRID WOOD MODIFICATION

#2
20240001584
2024-01-04

METHOD FOR TREATING WOOD AND CONSTRUCTION ELEMENT

#3
20230347547
2023-11-02

Treated Cellulosic Materials and Methods of Making the Same

#4
20230278253
2023-09-07

COOLING ACETYLATED WOOD ELEMENTS

#5
20220297342
2022-09-22

METHOD FOR THE ACETYLATION OF WOOD

#6
20220274281
2022-09-01

METHOD FOR CONTINUOUS ACETYLATION OF WOOD ELEMENTS

#7
20220118646
2022-04-21

BOARDS FROM ACETYLATED RUBBERWOOD

#8
20210187781
2021-06-24

METHOD OF IMPROVING THE HYDROPHOBIC PROPERTIES OF CELLULOSIC MATERIALS WITHOUT LEAVING AN ACIDIC RESIDUE

#9
20200101635
2020-04-02

Method for continuous acetylation of wood elements

#10
20190322000
2019-10-24

Cooling acetylated wood elements

#11
20180093390
2018-04-05

Method for the acetylation of wood

#12
20180079104
2018-03-22

METHOD FOR CONTINUOUS ACETYLATION OF WOOD ELEMENTS

#13
20140349012
2014-11-27

Method and device for drying, modelling and/or thermally modifying wooden parts

#14
20110091736
2011-04-21

Esterified lignocellulosic materials and methods for making them

#15
20100331531
2010-12-30

METHODS FOR ESTERIFYING LIGNOCELLULOSIC MATERIAL

#16
20090018215
2009-01-15

Fumigant for wood parasitic nematodes and wood fumigation method

#17
20070128422
2007-06-07

Impregnation process

#18
20070094887
2007-05-03

System and method for treating wooden materials with ozone

#19
20060080788
2006-04-20

Method for the pictorial coloring of wood surfaces and a colored wood substrate

#20
20060013957
2006-01-19

Method for treating lignocellulosic material