ClassID:

126923

D21H17/57 - 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 obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen Polyureas; Polyurethanes

Recent Application in this class:
#1
20250346778
2025-11-13

FLUORINE-CONTAINING COMPOUND

#2
20250122669
2025-04-17

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#3
20250107562
2025-04-03

POUCHED PRODUCT FOR ORAL USE

#4
20240408523
2024-12-12

FILTER MATERIAL FOR AIR FILTER AND METHOD FOR PRODUCING FILTER MATERIAL

#5
20240400280
2024-12-05

THERMOPLASTIC-IMPREGNATED CELLULOSIC NONWOVEN AS A COMPOSTABLE FILTER MATERIAL FOR LIQUIDS

#6
20240228835
2024-07-11

WATERBORNE ADHESIVES FOR REDUCED BASIS WEIGHT MULTILAYER SUBSTRATES AND USE THEREOF

#7
20240110338
2024-04-04

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#8
20240102246
2024-03-28

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#9
20240102245
2024-03-28

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#10
20230078831
2023-03-16

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#11
20230074973
2023-03-09

Water-dispersible composite structure and method of producing the same

#12
20220411674
2022-12-29

Waterborne adhesives for reduced basis weight multilayer substrates and use thereof

#13
20210310196
2021-10-07

Water-dispersible composite structure and method of producing the same

#14
20210268683
2021-09-02

Treated porous material

#15
20210164167
2021-06-03

FIBER ASSEMBLY-FORMING METHOD, FIBER ASSEMBLY-FORMING APPARATUS, AND SHEET

#16
20210002520
2021-01-07

Waterborne adhesives for reduced basis weight multilayer substrates and use thereof

#17
20200385930
2020-12-10

Fiber body forming method and sheet

#18
20200362508
2020-11-19

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

#19
20200298438
2020-09-24

Treated porous material

#20
20190322895
2019-10-24

Primer compositions

#21
20190301100
2019-10-03

Method for increasing dimensional stability of a paper or a board product

#22
20190218429
2019-07-18

Waterborne adhesives for reduced basis weight multilayer substrates and use thereof

#23
20180313037
2018-11-01

Dispersant for carbon fibers, carbon fiber dispersion composition, and method for manufacturing carbon fiber sheet

#24
20180312717
2018-11-01

Primer compositions

#25
20180298557
2018-10-18

Methods for treating paperboards and paper media, and associated treated paperboards and paper media

#26
20180291560
2018-10-11

Method for preparing titanium dioxide-based synthetic paper

#27
20180291559
2018-10-11

Method for preparing active carbon-based special synthetic paper

#28
20180245289
2018-08-30

Surface sizing of dense films

#29
20180222169
2018-08-09

Pressed laminate panel with a single layer elastomerick treated paper

#30
20180112359
2018-04-26

Blends of polymers as wet strengthening agents for paper

#31
20180016738
2018-01-18

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

#32
20170362775
2017-12-21

THERMOPLASTIC FIBROUS MATERIALS AND A METHOD OF PRODUCING THE SAME

#33
20170314202
2017-11-02

Paper material and relative manufacturing procedure

#34
20170292222
2017-10-12

Strengthening resins for paper products

#35
20170204302
2017-07-20

Waterborne adhesives for reduced basis weight multilayer substrates and use thereof

#36
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

#37
20160265163
2016-09-15

Blends of polymers as wet strengthening agents for paper

#38
20160153147
2016-06-02

Paper with high covering power

#39
20160090508
2016-03-31

Non-fluorinated urethane based coatings

#40
20150376837
2015-12-31

Colored aramid paper and process for producing same

#41
20150305814
2015-10-29

Online treated sealable and peelable medical paper for medical sterilization packaging

#42
20150298481
2015-10-22

Crease-resistant security film

#43
20150284911
2015-10-08

MOLDABLE FIBROUS PRODUCT AND METHOD OF PRODUCING THE SAME

#44
20150275434
2015-10-01

Methods of molding non-woven carbon fiber mats and related molded products

#45
20150211183
2015-07-30

Paper products containing a polymeric wet strengthening agent

#46
20150211182
2015-07-30

Blends of polymers as wet strengthening agents for paper

#47
20150011457
2015-01-08

Long-lasting fragrance emitting article

#48
20150000852
2015-01-01

Dispersions made from treated inorganic particles for making decor paper having improved optical performance

#49
20140272340
2014-09-18

Cover layer with reduced tensile properties for use of wear-resistant laminate

#50
20140166223
2014-06-19

Blends of polymers as wet strengthening agents for paper

#51
20140116634
2014-05-01

High-durability sheet for manufacturing bank notes

#52
20140087177
2014-03-27

Waterborne adhesives for reduced basis weight multilayer substrates and use thereof

#53
20130284668
2013-10-31

Curable epoxide containing formaldehyde-free compositions, articles including the same, and methods of using the same

#54
20130252496
2013-09-26

Fibrous material for heat-sealing packaging suitable for medical use

#55
20130196895
2013-08-01

Long-lasting fragrance delivery system

#56
20130137323
2013-05-30

Method for preparing a functional film via coffee oil and textile thereof

#57
20130004785
2013-01-03

Paraben derivatives for preserving cellulosic materials

#58
20120043040
2012-02-23

Method of treating paper forming wire surface

#59
20110300351
2011-12-08

METHOD FOR PRODUCING DECORATIVE PAPER AND DECORATIVE PAPER

#60
20110159208
2011-06-30

IMPROVEMENTS IN THE MANUFACTURE OF B-STAGE RESIN IMPREGNATED PAPERS OR NON-WOVENS

#61
20110061785
2011-03-17

Paper laminates having improved easy clean and abrasion resistance properties

#62
20100330857
2010-12-30

Soil resist method

#63
20100230947
2010-09-16

Soil and/or moisture resistant secure document

#64
20100139878
2010-06-10

Method for Manufacturing Reduced-Weight Paper, Thin Cardboard and Cardboard, and Compounds Obtained Therewith

#65
20090197071
2009-08-06

PREPARATION OF SUPERHYDROPHOBIC FIBROUS SUBSTRATES

#66
20090001627
2009-01-01

LIGNOCELLULOSIC COMPOSITE MATERIAL AND METHOD FOR PREPARING THE SAME

#67
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

#68
20080223216
2008-09-18

Aqueous composition for filter media with enhanced wet burst strength

#69
20080213394
2008-09-04

Polymer-Based Antimicrobial Agents, Methods of Making Said Agents, and Products Incorporating Said Agents

#70
20080190575
2008-08-14

Lignocellulosic Composite Material and Method for Preparing the Same

#71
20080176017
2008-07-24

Release liner with enhanced backside or second side

#72
20070178789
2007-08-02

Fiber mat and process making same

#73
20070149077
2007-06-28

Latex with isocyanate crosslinker as binder for fibrous substrates

#74
20070122603
2007-05-31

Nonwoven fibrous mats and methods

#75
20070113998
2007-05-24

Paper product and method of making

#76
20070032157
2007-02-08

Dually dispersed fiber construction for nonwoven mats using chopped strands

#77
20060030707
2006-02-09

Triazinylaminostilbene disulphonic acid mixtures

#78
20050221078
2005-10-06

Lignocellulosic composite material and method for preparing the same

#79
20050191922
2005-09-01

Fiber mat having improved tensile strength and process for making same

#80
20050133181
2005-06-23

Paper product and method of making

#81
20050061462
2005-03-24

Aqueous silica-containing composition

#82
20050053771
2005-03-10

Indoor decorative paper and decoration method thereof