ClassID:

127010

D21H21/34 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper Ignifugeants

Recent Application in this class:
#1
20250316791
2025-10-09

THERMAL INSULATING/FLAME BARRIER SHEET AND BATTERY PACK AND BATTERY MODULE PACKAGE USING THE SAME

#2
20250075433
2025-03-06

HYBRID FIRE RETARDANT INSULATION AND METHOD OF MAKING THE SAME

#3
20240365850
2024-11-07

Non-Combustible Wrapper For Use In Heat But Not Burn Applications

#4
20240360627
2024-10-31

FLAME-PROOF CORRUGATED PAPERBOARD AND METHOD FOR PRODUCING SAME

#5
20240309584
2024-09-19

SYSTEM AND METHOD OF MANUFACTURE OF CELLULOSE INSULATION

#6
20240011225
2024-01-11

INSULATION MATERIAL, INSULATION PRODUCT, LAYER STUCTURE, CONSTRUCTION AND METHOD OF MANUFACTURING INSULATION MATERIAL

#7
20230346007
2023-11-02

AEROSOL-GENERATING ARTICLE WITH COMBUSTION PREVENTING WRAPPER

#8
20230323603
2023-10-12

FLAME-RESISTANT PAPER FOR RADIO WAVE ABSORBER MEMBER AND PRODUCTION METHOD FOR SAME

#9
20230304224
2023-09-28

Paper-based Electromagnetic Shielding Composite with Flame Retardant Properties and Its Preparation Method and Application

#10
20230295874
2023-09-21

POLYPROPYLENE COATED PAPER AND PAPERBOARD

#11
20230265615
2023-08-24

Preparation method of heat-not-burn cigarette paper with boron nitride as thermally-conductive filler

#12
20230250590
2023-08-10

Heat-Resistant Wrapper Paper for Aerosol-Generating Articles

#13
20230167610
2023-06-01

FIRE RETARDANT PAPER

#14
20220290375
2022-09-15

MULTILAYERED FIRE-RESISTANT SHEET

#15
20220264937
2022-08-25

Wrapper for aerosol delivery products and aerosol delivery products made therefrom

#16
20220190403
2022-06-16

HEAT INSULATING MATERIAL COMPOSITION, HEAT INSULATING MATERIAL, AND METHOD FOR MANUFACTURING SAME

#17
20220098489
2022-03-31

METHOD OF IMPROVING THE FIRE RESISTANCE OF A CELLULOSE MATERIAL

#18
20210315271
2021-10-14

Cigarette butt wrapping paper

#19
20210307381
2021-10-07

Non-combustible wrapper for use in heat but not burn applications

#20
20210230802
2021-07-29

EQUIPMENT FOR MANUFACTURING FIBER STRUCTURE, METHOD FOR MANUFACTURING FIBER STRUCTURE, AND FIBER STRUCTURE

#21
20210207320
2021-07-08

Lignocellulosic composites prepared with aqueous alkaline and urea solutions in cold temperatures systems

#22
20210062429
2021-03-04

Aramid nanofiber-based insulation paper and preparation method thereof

#23
20210030055
2021-02-04

Wrapping Paper For A Smoking Article

#24
20200399833
2020-12-24

Flame retardant paper

#25
20200325630
2020-10-15

METHOD OF MAKING FIRE RETARDANT MATERIALS AND RELATED PRODUCTS

#26
20200281101
2020-09-03

Structure shielding wallpaper

#27
20190168527
2019-06-06

Printable medium

#28
20190145051
2019-05-16

Process for producing a flaked thermal-insulating and/or acoustic-insulating material

#29
20190119851
2019-04-25

Lignocellulosic composites prepared with aqueous alkaline and urea solutions in cold temperatures systems and methods

#30
20190062989
2019-02-28

Water based liquid fire retardant for use in cellulose insulation

#31
20190045672
2019-02-07

Structure shielding wallpaper

#32
20190016958
2019-01-17

Flame or fire protection agent and production and use thereof, in particular for wood-, cellulose- and polyolefin-based products

#33
20180327670
2018-11-15

Flame or fire retarding agents and their manufacture and use

#34
20180298558
2018-10-18

Hybrid Fire-Retarded Cellulose Materials

#35
20180187351
2018-07-05

Flame-blocking nonwoven fabric

#36
20180119360
2018-05-03

Bio-based environment-friendly flame retardant wallpaper and preparation method thereof

#37
20170275784
2017-09-28

IGNITION RESISTANT COTTON FIBERS

#38
20170057269
2017-03-02

Printable media

#39
20160272892
2016-09-22

Phosphorus-nitrogen-based intumescent flame retardant and synthetic method and use thereof

#40
20160208438
2016-07-21

Flame-resistant paper for wave absorber member and wave absorber member

#41
20160194832
2016-07-07

Multilayered structure comprising fine fiber cellulose layer

#42
20160160444
2016-06-09

Fire-retardant sheet material

#43
20150368560
2015-12-24

Fungicidal and parasiticidal fire-retardant powder

#44
20150167249
2015-06-18

Multilayered structure comprising fine fiber cellulose layer

#45
20150125705
2015-05-07

Display rear shell with waterproof and fireproof properties

#46
20150050474
2015-02-19

Multilayered sheet

#47
20140322548
2014-10-30

Aqueous solution

#48
20140294906
2014-10-02

Method for conferring antimicrobial activity to a substrate

#49
20140174681
2014-06-26

Fire retardant treated fluff pulp web

#50
20140170313
2014-06-19

HIGH-PERFORMANCE FIBROUS PRODUCTS

#51
20140041819
2014-02-13

FIRE AND SMOKE RETARDANT COMPOSITE MATERIALS

#52
20130292077
2013-11-07

Method for forming a fire resistant cellulose product, and associated apparatus

#53
20130264020
2013-10-10

Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs

#54
20130244049
2013-09-19

Environmentally friendly wood treatment process

#55
20130216762
2013-08-22

Gypsum products with high efficiency heat sink additives

#56
20130183484
2013-07-18

CORE STRUCTURES COMPRISING TANNIN RESIN

#57
20130180537
2013-07-18

Method and apparatus for making slit-banded wrapper using moving orifices

#58
20130133850
2013-05-30

Fire retardant treated fluff pulp web and process for making same

#59
20130012089
2013-01-10

Process of using sodium silicate to create fire retardant products

#60
20130011546
2013-01-10

Machine and method of manufacturing low ignition propensity paper by maintaining shrinkage rate of dried web within allowable range

#61
20120312453
2012-12-13

SYSTEM FOR FORMING A FIRE RESISTANT WALL STRUCTURE, AND ASSOCIATED METHOD

#62
20120298906
2012-11-29

Biodegradable halogen-free flame retardants composition and methods for use

#63
20120255695
2012-10-11

Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs

#64
20120231288
2012-09-13

Low ignition propensity wrapping paper and method and machine of manufacturing same

#65
20120199303
2012-08-09

Partially fire resistant insulation material comprising unrefined virgin pulp fibers and wood ash fire retardant component

#66
20120052217
2012-03-01

Thermally protective flame retardant fabric

#67
20110253330
2011-10-20

Fire and smoke retardant composite materials

#68
20110220309
2011-09-15

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

#69
20110151129
2011-06-23

WOOD TREATMENT SOLUTION AND PROCESS

#70
20110117354
2011-05-19

Method for making fire retardant materials and related products

#71
20110114904
2011-05-19

Composition for treatment of fiber materials by exhaust method in particular

#72
20110095245
2011-04-28

Method for Making Fire Retardant Materials and Related Products

#73
20110073331
2011-03-31

Ionic liquid flame retardants

#74
20110039467
2011-02-17

Ionic liquid flame retardants

#75
20100189982
2010-07-29

Fire and SAG resistanct acoustical panel

#76
20100146887
2010-06-17

Fire and Sag Resistant Acoustical Panel and Substantially Clear Coating Therefor

#77
20100086780
2010-04-08

Dedusted fire-retardant cellulose material

#78
20100068400
2010-03-18

COMPOSITION FOR USE AS A PREVENTIVE TEMPORARY FIRE PROTECTION AGENT, THE APPLICATION THEREOF TO PRODUCTS, AND THE PRODUCTION AND USE OF SAME

#79
20100000030
2010-01-07

PROCESS FOR THE FLAME-RETARDANT TREATMENT OF FIBER PRODUCTS

#80
20090277466
2009-11-12

Method and apparatus for making slit-banded wrapper using moving orifices

#81
20090133847
2009-05-28

Process of using sodium silicate to create fire retardant products

#82
20090077760
2009-03-26

Fire-retardant, method for manufacturing fire-retardant cellulose-based

#83
20090068437
2009-03-12

Sheet for total heat exchanger

#84
20090068430
2009-03-12

WOOD-FIBRE HEAT-INSULATING MATERIAL AND METHOD FOR THE PRODUCTION THEREOF

#85
20090061131
2009-03-05

Thermally protective flame retardant fabric

#86
20090005471
2009-01-01

Phosphorus-containing flame retardant formulation for cellulose-containing moldings

#87
20080305351
2008-12-11

Method For Inhibiting the Crystallization of Boric Acid

#88
20080262185
2008-10-23

Silicon- and polysilyl cyamelurates as well as -cyanurates, methods for the production thereof and their use

#89
20080182050
2008-07-31

Paper material bag

#90
20080145600
2008-06-19

Honeycomb from paper having flame retardant thermoplastic binder

#91
20080127431
2008-06-05

Water- And Acrylate-Based Flameproofing Dispersion

#92
20080050565
2008-02-28

Fire retardant nonwoven material and process for manufacture

#93
20070192966
2007-08-23

Treated articles and methods of making and using same

#94
20070082194
2007-04-12

Fire retardant paper

#95
20070082139
2007-04-12

Process for the flame-retardant treatment of fiber products

#96
20070004307
2007-01-04

High intensity flame resistant composites

#97
20060218733
2006-10-05

Fire-retardant, method for manufacturing fire-retardant cellulose-based

#98
20060029835
2006-02-09

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

#99
20050274472
2005-12-15

Flame resistant paper product and method for manufacturing

#100
20050222309
2005-10-06

Phosphorus-containing flame retardant formulation for cellulose-containing moldings

#101
20050178516
2005-08-18

Speaker component, method of manufacturing the same and speaker apparatus including the same

#102
20050155733
2005-07-21

Fire-proof treatment solution and fire-retardant material therefrom

#103
20050116010
2005-06-02

Fibrous web and process for the production thereof

#104
20050042377
2005-02-24

Process of using sodium silicate to create fire retardant products

#105
17899857
2023-11-28

Fire resistant retail product packaging materials and method of manufacturing same