ClassID:

126914

D21H17/48 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Macromolecular organic compounds; Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Condensation polymers of aldehydes or ketones with phenols

Recent Application in this class:
#1
20250333906
2025-10-30

CONDUCTIVE PAPER, PRODUCTION METHOD THEREOF, METALLIC ADHEREND AND PRODUCTION METHOD THEREOF

#2
20250092247
2025-03-20

ALKYLATED PHENOLIC RESIN COMPOSITIONS AND USES

#3
20240035235
2024-02-01

METHOD FOR PRODUCING WET-RUNNING FRICTION PAPER

#4
20240018722
2024-01-18

Preparation method of tea residue fiber raw materials and application thereof

#5
20230279613
2023-09-07

Resin-Impregnated Fibrous Material in the Form of a Sheet or a Web

#6
20220250285
2022-08-11

Cleaning sheet, manufacturing method of semiconductor device and manufacturing method of cleaning sheet

#7
20220243779
2022-08-04

METHOD FOR PRODUCING WET-RUNNING FRICTION PAPER, AND WET-RUNNING FRICTION PAPER

#8
20220025581
2022-01-27

THERMAL INSULATING PAPER AND METHOD FOR PRODUCING A THERMAL INSULATING PAPER

#9
20190376237
2019-12-12

Aramid paper suitable for use in electronic applications

#10
20190245214
2019-08-08

Method for producing roll-type gas diffusion layer having excellent spreading property

#11
20190211895
2019-07-11

Friction material comprising aramid

#12
20190177918
2019-06-13

Carbon fiber sheet and method for manufacturing carbon fiber sheet

#13
20190148739
2019-05-16

POROUS BASE MATERIAL, POROUS ELECTRODE, CARBON FIBER PAPER, METHOD FOR MANUFACTURING CARBON FIBER PAPER, AND METHOD FOR MANUFACTURING POROUS BASE MATERIAL

#14
20190077186
2019-03-14

Method and apparatus for manufacturing printing paper for decorative boards and method for manufacturing laminated structure

#15
20170058456
2017-03-02

MANUFACTURING OF DECORATIVE LAMINATES BY INKJET

#16
20160353742
2016-12-08

Biocidal resin composition including one or a plurality of resins selected from MF, UF, PF, MUF and phenolic resins; and more than one soluble copper salt

#17
20150361619
2015-12-17

Method of producing structure for producing casting, and structure such as mold

#18
20150322629
2015-11-12

Method for suppressing pitch formation

#19
20150086803
2015-03-26

Modified phenolic resins for making composite products

#20
20150086712
2015-03-26

Method for coating a paper web

#21
20130078437
2013-03-28

Method for producing a decorative film, as well as a decorative panel

#22
20120244337
2012-09-27

FIBERIZED THERMOSET BINDER AND METHOD OF USING

#23
20120216976
2012-08-30

PAPER LAMINATES COMPRISING TUNGSTEN TREATED TITANIUM DIOXIDE HAVING IMPROVED PHOTOSTABILITY

#24
20120107608
2012-05-03

Decorative laminate and method for manufacturing same

#25
20110244193
2011-10-06

Folded Core Having a High Compression Modulus and Articles Made from the Same

#26
20110220309
2011-09-15

METHOD OF MANUFACTURING RESINOUS PAPERS, RESINOUS PAPERS, AND THEIR USE AS RESINOUS PREFORM BLANKS

#27
20110162793
2011-07-07

Apparatus and method for producing waterproof structural corrugated paperboard

#28
20110132559
2011-06-09

Process for increasing the dry strength of paper, board and cardboard

#29
20110061791
2011-03-17

Apparatus and method for producing waterproof structural corrugated paperboard

#30
20100282407
2010-11-11

Compressible decorative paper impregnating agent which can be printed by the inkjet method

#31
20100048078
2010-02-25

Folded Core Having a High Compression Modulus and Articles Made from the Same

#32
20090155526
2009-06-18

Honeycomb having a high compression strength and articles made from same

#33
20090061275
2009-03-05

Carbonized Paper With High Strength And Its Preparation Method And Uses

#34
20090025895
2009-01-29

Process for the Manufacture of Paper and Board

#35
20080264587
2008-10-30

Reducing the Water and Water Vapour Absorbence and Enhancing the Dimensional Stability of Paper and Paper Products and Use of Coated Paper Products

#36
20080145598
2008-06-19

Honeycomb from paper having a high melt point thermoplastic fiber

#37
20070271889
2007-11-29

Nonwoven fibrous mat for MERV filter and method

#38
20070166524
2007-07-19

Porous carbon electrode substrate and its production method and carbon fiber paper

#39
20070111001
2007-05-17

Fiber mat and process of making same

#40
20070009730
2007-01-11

Wet-laid friction material, system and method

#41
20060214320
2006-09-28

Carbon fiber paper construction and manufacturing process

#42
20060105176
2006-05-18

Prepreg and laminate and printed wiring board using the same

#43
20060029835
2006-02-09

Fire-resistant panel comprising loess and fire-resistant decorative panel using the same

#44
20060014007
2006-01-19

Phenol resin, use of a phenol resin as well as moulded product formed therefrom

#45
20050136276
2005-06-23

Synthetic crossband

#46
20050100498
2005-05-12

Porous carbon electrode substrate and its production method and carbon fiber paper