Patents-Review.com
ClassID:

126841 ⎘

D21H13/20 - CPC Classification

Classification description:

Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material; Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Sub-classes:
Recent Application in this class:
#1
20260071387
2026-03-12

FIBROUS STRUCTURES WITH IMPROVED SURFACE PROPERTIES AND COLD WATER SOLUBILITY

 #2
20250263890
2025-08-21

CELLULOSIC PAPER MATERIAL FROM RECYCLED USED TEXTILES

 #3
20240269974
2024-08-15

COMPOSITE ARTICLES INCLUDING SURFACE LAYERS THAT PROVIDE ENHANCED FORMABILITY

 #4
20230228035
2023-07-20

SPACE FILLING MATERIAL, METHOD FOR MANUFACTURING SAME, AND SPACE FILLING STRUCTURE

 #5
20220235519
2022-07-28

Method for producing a cellulose paper material from used textiles

 #6
20220136173
2022-05-05

Poly alpha-1,3-glucan fibrids and uses thereof and processes to make poly alpha-1,3-glucan fibrids

 #7
20210146650
2021-05-20

THERMOPLASTIC SHEETS AND ARTICLES WITH VARIABLE LOFTING CAPACITY

 #8
20200208351
2020-07-02

WET NONWOVEN FABRIC CONTAINING META-ARAMID AND POLYPHENYLENE SULFIDE AND LAMINATED SHEET OF THE SAME

 #9
20180291560
2018-10-11

Method for preparing titanium dioxide-based synthetic paper

 #10
20180187351
2018-07-05

Flame-blocking nonwoven fabric

 #11
20180162107
2018-06-14

Composite articles including surface layers that provide enhanced formability

 #12
20180119357
2018-05-03

Poly alpha-1,3-glucan fibrids and uses thereof and processes to make poly alpha-1,3-glucan fibrids

 #13
20170306563
2017-10-26

FINE FIBER PULP FROM SPINNING AND WET LAID FILTER MEDIA

 #14
20170030020
2017-02-02

ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM

 #15
20170015783
2017-01-19

Polycarbonate fibers and substrates comprising same

 #16
20160319486
2016-11-03

Toner cleaning sheet and method of manufacturing same

 #17
20160297172
2016-10-13

Laminated body and process for producing the same

 #18
20160153145
2016-06-02

ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES MANUFACTURED THEREFROM

 #19
20150284910
2015-10-08

FIBER REINFORCED THERMOPLASTIC SHEETS WITH SURFACE COVERINGS

 #20
20150118431
2015-04-30

Process for manufacturing a composite article comprising cellulose pulp fibers and a thermoplastic matrix

 #21
20150111997
2015-04-23

Process for manufacturing a composition comprising cellulose pulp fibers and thermoplastic fibers

 #22
20140356597
2014-12-04

WATER-SOLUBLE PRINTABLE PAPER AND METHODS OF MAKING AND USING THE SAME

 #23
20140338242
2014-11-20

Composite boards and art frames including the same

 #24
20140311695
2014-10-23

Process for making paper and nonwoven articles comprising synthetic microfiber binders

 #25
20140311694
2014-10-23

Paper and nonwoven articles comprising synthetic microfiber binders

 #26
20120251597
2012-10-04

END PRODUCTS INCORPORATING SHORT-CUT MICROFIBERS

 #27
20120190264
2012-07-26

SELF-ADHESIVE FIBER MAT

 #28
20120184164
2012-07-19

PAPERBOARD OR CARDBOARD

 #29
20110168625
2011-07-14

Nonwovens produced from multicomponent fibers

 #30
20110139386
2011-06-16

WET LAP COMPOSITION AND RELATED PROCESSES

 #31
20110126401
2011-06-02

HEAT-RESISTANT NONWOVEN FABRIC

 #32
20110114274
2011-05-19

Polyphenylene sulfide fiber, method for producing the same, wet-laid nonwoven fabric, and method for producing wet-laid nonwoven fabric

 #33
20110083820
2011-04-14

PAPER COMPRISING POLYBENZAZOLE OR PRECURSOR THEREOF

 #34
20100304266
2010-12-02

MEMBRANE ELECTRODE ASSEMBLY FOR ORGANIC/AIR FUEL CELLS

 #35
20100200183
2010-08-12

Polyareneazole/wood pulp and methods of making same

 #36
20100193145
2010-08-05

Polyareneazole/thermoset pulp and methods of making same

 #37
20100193144
2010-08-05

Polyareneazole/thermoplastic pulp and methods of making same

 #38
20100193143
2010-08-05

Pulp comprising polypyridobisimidazole and other polymers and methods of making same

 #39
20090308551
2009-12-17

Absorbent sheet prepared with papermaking fiber and synthetic fiber exhibiting improved wet strength

 #40
20090236064
2009-09-24

Paper comprising PIPD pulp and process for making same

 #41
20090162605
2009-06-25

Papers containing floc derived from diamino diphenyl sulfone

 #42
20090159227
2009-06-25

Papers containing fibrids derived from diamino diphenyl sulfone

 #43
20090159226
2009-06-25

Papers containing fibrids derived from diamino diphenyl sulfone

 #44
20090151884
2009-06-18

Friction papers comprising PIPD fiber

 #45
20090120600
2009-05-14

Nano carbon crystal material and method of manufacturing electrothermal board by using the same

 #46
20090101295
2009-04-23

Self-Bonding Polypridobismidazole Pulp and a Process for Making Same

 #47
20090078383
2009-03-26

Fibrillated polypyridobisimidazole floc

 #48
20080311815
2008-12-18

Nonwovens produced from multicomponent fibers

 #49
20080057816
2008-03-06

Silicone-based fiber, nonwoven fabric formed therefrom, and methods of producing same

 #50
20070232178
2007-10-04

Method for forming a fibrous structure comprising synthetic fibers and hydrophilizing agents

 #51
20070207693
2007-09-06

Heat-Resistant Nonwoven Fabric

 #52
20070144696
2007-06-28

Pulp comprising polypyridobisimidazole and other polymers and methods of making same

 #53
20070144695
2007-06-28

Polyareneazole/thermoplastic pulp and methods of making same

 #54
20070137819
2007-06-21

Polyareneazole/thermoset pulp and methods of making same

 #55
20070137817
2007-06-21

Polyareneazole/wood pulp and methods of making same

 #56
20070123132
2007-05-31

Nonwoven mat, method for production thereof and fibre composite

 #57
20060016570
2006-01-26

Soft paper product including beneficial agents

 #58
20050215698
2005-09-29

Fiber reinforced thermoplastic sheets with surface coverings

 #59
20050196598
2005-09-08

Thermally stable, non-woven, fibrous paper, derivatives thereof, and methods for manufacturing the same

 #60
20050061456
2005-03-24

Elastic bicomponent and biconstituent fibers, and methods of making cellulosic structures from the same