ClassID:

126829

D21H11/20 - page 2 - CPC Classification

Classification description:

Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment Chemically or biochemically modified fibres

Recent Application in this class:
#301
20130139980
2013-06-06

Method and system for producing market pulp and products thereof

#302
20130081768
2013-04-04

Catalytic carboxylation of cellulose fibers in a continuous process with multiple additions of catalyst, secondary oxidant and base to a moving slurry of cellulose fibers

#303
20130066291
2013-03-14

Ligno cellulosic materials and the products made therefrom

#304
20130047893
2013-02-28

Composition comprising microfibrillated cellulose and a process for the production of a composition

#305
20130025807
2013-01-31

Process for production of oxidised cellulose pulp

#306
20130005866
2013-01-03

Molding material and manufacturing method therefor

#307
20130000513
2013-01-03

Cellulose liquid dispersion, method for producing the same, and molded body using the same

#308
20120328758
2012-12-27

Enhanced Fiber Additive; and Use

#309
20120323039
2012-12-20

Carboxylic acid production process employing solvent from esterification of lignocellulosic material

#310
20120322997
2012-12-20

Process for producing differentiated cellulose fibers comprising an enzymatic treatment in association with an acid step

#311
20120295313
2012-11-22

PROCESS FOR PRODUCING GRANULES

#312
20120276596
2012-11-01

MODIFIED BIOMATERIAL, USES THEREOF AND MODIFICATION METHODS

#313
20120214979
2012-08-23

Process for the production of microfibrillated cellulose in an extruder and microfibrillated cellulose produced according to the process

#314
20120183772
2012-07-19

Modified cellulose from chemical kraft fiber and methods of making and using the same

#315
20120180815
2012-07-19

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#316
20120175073
2012-07-12

Modified cellulose from chemical kraft fiber and methods of making and using the same

#317
20120160433
2012-06-28

Process for producing microfibrillated cellulose

#318
20120159840
2012-06-28

Integrated process system for single cell oil production and a pulp and/or paper industry process

#319
20120149006
2012-06-14

Cellulose substrates, compositions and methods for storage and analysis of biological materials

#320
20120136146
2012-05-31

PROCESS FOR THE PRODUCTION OF MICROFIBRILLATED CELLULOSE AND PRODUCED MICROFIBRILLATED CELLULOSE

#321
20120135506
2012-05-31

Process for producing microfibrillated cellulose

#322
20120132380
2012-05-31

Method of manufacturing paper and products obtained by the method

#323
20120125547
2012-05-24

Modified cellulose fibers and cellulose composite thereof

#324
20120097352
2012-04-26

Treatment of fibres to endure processing

#325
20120082296
2012-04-05

Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials

#326
20120074337
2012-03-29

Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials

#327
20120041183
2012-02-16

Cellulose materials with novel properties

#328
20120012031
2012-01-19

Paper filler method

#329
20120000392
2012-01-05

SUSPENSION OF CELLULOSE FIBERS AND METHOD FOR PRODUCING THE SAME

#330
20110308934
2011-12-22

METHOD FOR PRODUCING CELLULOSE DIACETATE

#331
20110308750
2011-12-22

Composite of hydrophobic lignocellulose material bonded to complementary material

#332
20110290434
2011-12-01

Pulp composition for paper and solid board production

#333
20110287275
2011-11-24

Ligno cellulosic materials and the products made therefrom

#334
20110282048
2011-11-17

Cross-Linking Involving a Polymeric Carbohydrate Material

#335
20110265965
2011-11-03

Absorbent sheet having regenerated cellulose microfiber network

#336
20110259537
2011-10-27

Paper filler composition

#337
20110226429
2011-09-22

Enhanced fiber additive; and use

#338
20110198048
2011-08-18

Enzymatic hydrolysis of a polymer comprising vinyl acetate monomer

#339
20110124846
2011-05-26

Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials

#340
20110060133
2011-03-10

Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials

#341
20110036522
2011-02-17

Method for providing a nanocellulose involving modifying cellulose fibers

#342
20100331457
2010-12-30

Surface-mineralized organic fibers

#343
20100282422
2010-11-11

Processes for producing cellulose nanofibers

#344
20100233481
2010-09-16

Cellulose nanofiber, production method of same and cellulose nanofiber dispersion

#345
20100212850
2010-08-26

Absorbent sheet having regenerated cellulose microfiber network

#346
20100206501
2010-08-19

Paper products and methods and systems for manufacturing such products

#347
20100065236
2010-03-18

METHOD OF PRODUCING AND THE USE OF MICROFIBRILLATED PAPER

#348
20100034858
2010-02-11

BIOCIDAL COATINGS

#349
20100003296
2010-01-07

MANUFACTURING METHODS AND APPLICATIONS OF ANTIMICROBIAL PLANT FIBERS HAVING SILVER PARTICLES

#350
20090321030
2009-12-31

Method for making fiber having biodegradable superabsorbent particles attached thereto

#351
20090321029
2009-12-31

Method for making biodegradable superabsorbent particles

#352
20090321026
2009-12-31

Paper products and methods and systems for manufacturing such products

#353
20090308552
2009-12-17

Microfibrillated cellulose having cellulose type-II crystalline structure, and molded article containing the microfibrillated cellulose

#354
20090176094
2009-07-09

Fibre Modified By Application Of An Organosiliconate Agent, A Fibre Modifying Agent Comprising An Organosilikonate and A Method of Modifying A Fibre With Said Agent

#355
20090165974
2009-07-02

Methods for blending dried cellulose fibers

#356
20090165968
2009-07-02

Modified Kraft fibers

#357
20090126887
2009-05-21

Pipd Paper and Components Made Therefrom

#358
20090126886
2009-05-21

Process for producing a low density acoustical panel with improved sound absorption

#359
20090020139
2009-01-22

Disposable cellulosic wiper

#360
20080318043
2008-12-25

Carbon fibers from kraft softwood lignin

#361
20080308239
2008-12-18

FIBER BLEND HAVING HIGH YIELD AND ENHANCED PULP PERFORMANCE AND METHOD FOR MAKING SAME

#362
20080110585
2008-05-15

Enhanced fiber additive; and use

#363
20080075900
2008-03-27

Biocomposite material

#364
20080023164
2008-01-31

Process for Producing a Paper or Board and a Paper or Board Produced According to the Process

#365
20080023160
2008-01-31

Enzymatic hydrolysis of a polymer comprising vinyl acetate monomer

#366
20080017581
2008-01-24

Preparation and use of sorptive lignocellulosic material for decontamination of fluid and aqueous media

#367
20080010853
2008-01-17

Process for Producing Dried Singulated Fibers Using Steam and Heated Air

#368
20080000603
2008-01-03

Covalent Bonding of Carboxylated Cellulose Fiber Webs

#369
20070224419
2007-09-27

Absorbent sheet having regenerated cellulose microfiber network

#370
20070215301
2007-09-20

Method for making a low density multi-ply paperboard with high internal bond strength

#371
20070164468
2007-07-19

Process for producing fibre compositions

#372
20070163735
2007-07-19

Method for reducing brightness reversion of mechanical pulps and high-yield chemical pulps

#373
20070151679
2007-07-05

Method of producing fibre products

#374
20070143932
2007-06-28

Process for producing a fibre compositions

#375
20070131362
2007-06-14

Process for producing a fibrous product

#376
20070128418
2007-06-07

Multi-layer security paper

#377
20070119561
2007-05-31

METHOD AND APPARATUS OF THE PREPARTION OF A FIBROUS STOCK SUSPENSION

#378
20070111278
2007-05-17

Endoglucanase STCE and cellulase preparation containing the same

#379
20070110926
2007-05-17

Ink jet recording paper

#380
20070107862
2007-05-17

Sodium sulfate treated pulp

#381
20070074833
2007-04-05

Densified fibrous structures and methods for making same

#382
20070051481
2007-03-08

Modified kraft fibers

#383
20070000627
2007-01-04

Modified kraft fibers

#384
20060289140
2006-12-28

Method for treating secondary fiber to achieve wet strength while retaining repulpability

#385
20060283567
2006-12-21

Cellulosed molded article having a functional effect and method for producing the same

#386
20060260773
2006-11-23

Lignocellulosic materials and the products made therefrom

#387
20060207732
2006-09-21

Methods for improving discoloration resistance of pulp and pulp improved in discoloration resistance

#388
20060144543
2006-07-06

Process for producing a fibrous composition

#389
20060144541
2006-07-06

Softening agent pre-treated fibers

#390
20060144532
2006-07-06

Mercerization process of pulp to produce high porous material

#391
20060118255
2006-06-08

Cross-linked pulp sheet

#392
20060096722
2006-05-11

Method of treating cellulose fibres with chlorine dioxide and an alkyl cellulose derivative

#393
20060035557
2006-02-16

Aqueous super absorbent polymer and methods of use

#394
20060005934
2006-01-12

Methods for forming a fluted composite

#395
20050223501
2005-10-13

Method for making bleached crosslinked cellulosic fibers with high color and brightness

#396
20050217813
2005-10-06

Methods to enhance brightness of pulp and optimize use of bleaching chemicals

#397
20050217811
2005-10-06

Whitened crosslinked cellulosic fibers and related methods

#398
20050217810
2005-10-06

Bleached polyacrylic acid crosslinked cellulosic fibers

#399
20050191400
2005-09-01

Enhanced fiber additive; and use

#400
20050183836
2005-08-25

Plant seed based fiber products and processes

#401
20050178518
2005-08-18

Sodium sulfate treated pulp

#402
20050145350
2005-07-07

Individualized intrafiber crosslinked cellulosic fibers with improved brightness and color

#403
20050121160
2005-06-09

Process for the separation of organic nitrosonium and/or hydroxylamine compounds by means of cation exchange resins and recovery and oxidation processes based thereon

#404
20050102762
2005-05-19

Cellulase preparations containing reducing agent and method of processing fiber

#405
20050086828
2005-04-28

Process for producing dried, singulated fibers using steam and heated air

#406
20050085150
2005-04-21

Superabsorbent cellulosic fiber and method of making same

#407
20050079361
2005-04-14

Materials useful in making cellulosic acquisition fibers in sheet form

#408
20050072542
2005-04-07

Cross-linked cellulose fibers and method of making same

#409
20050067124
2005-03-31

Enhanced fiber additive; and use

#410
20050028956
2005-02-10

Method for making tissue product containing carboxylated cellulosic fibers

#411
20050028955
2005-02-10

Tissue product containing carboxylated cellulosic fibers

#412
20050022415
2005-02-03

System for making dried singulated crosslinked cellulose pulp fibers

#413
20050019563
2005-01-27

GLYOXAL CROSSLINKED CELLULOSIC FIBERS HAVING HIGH BULK

#414
20050014669
2005-01-20

Hypochlorite free method for preparation of stable carboxylated carbohydrate products

#415
20050011623
2005-01-20

Reducing odor in absorbent products

#416
16257760
2019-12-10

Crosslinking cellulose with Glyoxal to improve absorption properties