ClassID:

126427

D21C11/0007 - page 2 - CPC Classification

Classification description:

Regeneration of pulp liquors or effluent waste waters Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for

Recent Application in this class:
#301
20120211184
2012-08-23

Fractionation of a waste liquor stream from nanocrystalline cellulose production

#302
20120208250
2012-08-16

Process for producing alcohol and other bioproducts from biomass extracts in a kraft pulp mill

#303
20120202260
2012-08-09

HYBRID BIOREFINING AND GASIFICATION OF LIGNOCELLULOSIC FEEDSTOCKS

#304
20120202253
2012-08-09

ALCOHOL SULFITE BIOREFINERY PROCESS

#305
20120193050
2012-08-02

Method and assembly for processing cellulose pulp of wood processing industry

#306
20120184721
2012-07-19

METHOD FOR SEPARATING CARBOHYDRATE FROM LIGNOCELLULOSIC SOLID

#307
20120167874
2012-07-05

Methods and systems for solvent purification

#308
20120132379
2012-05-31

Method for obtaining cellulose from biomass comprising lignocellulose

#309
20120111514
2012-05-10

Bagasse fractionation for cellulosic ethanol and chemical production

#310
20120107887
2012-05-03

Process for the production of alcohols from biomass

#311
20120047600
2012-02-23

CAFFEOYL COA REDUCTASE

#312
20120022240
2012-01-26

LIGNIN PREPARATIONS ISOLATED FROM PLANT MATERIAL, AND METHODS FOR THEIR ISOLATION AND USE

#313
20120017891
2012-01-26

System and method for conditioning a hardwood pulp liquid hydrolysate

#314
20120012035
2012-01-19

METHOD FOR PRODUCING CHEMICALLY MODIFIED LIGNIN DECOMPOSITION PRODUCTS

#315
20110297340
2011-12-08

Method for separating lignin from black liquor

#316
20110294991
2011-12-01

Process for recovering lignin

#317
20110287502
2011-11-24

Methods and apparatus for processing cellulosic biomass

#318
20110282038
2011-11-17

RECOVERY OF LIGNIN AND WATER SOLUBLE SUGARS FROM PLANT MATERIALS

#319
20110275860
2011-11-10

Method and apparatus for in-feeding of matter to a process reactor

#320
20110272110
2011-11-10

Method and system for high alpha dissolving pulp production

#321
20110272109
2011-11-10

Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse

#322
20110268652
2011-11-03

Method for the integrated production of cellulose and low-molecular-weight reusable materials

#323
20110263004
2011-10-27

Method of treating biomass

#324
20110256615
2011-10-20

Modification of biomass for efficient conversion to fuels

#325
20110253326
2011-10-20

Separation of Lignin From Lignocellulosic Materials

#326
20110226427
2011-09-22

Method of Recovering Aqueous N-methylmorpholine-N-Oxide Solution Used in Production of Lyocell Fiber

#327
20110214826
2011-09-08

Process of treating a lignocellulosic material

#328
20110192560
2011-08-11

Process of producing xylose and dissolving pulp

#329
20110183379
2011-07-28

Flow process for pretreatment of lignocellulosic biomass

#330
20110180061
2011-07-28

Method and process for dry discharge in a pressurized pretreatment reactor

#331
20110143398
2011-06-16

Methods of saccharification of polysaccharides in plants

#332
20110124056
2011-05-26

Pretreatment of Ligno-Cellulosic Biomass with Sulfonation

#333
20110114876
2011-05-19

Biomass pretreatment process

#334
20110108223
2011-05-12

Method for vapor phase pulping with alcohol, sulfur dioxide and ammonia

#335
20110097786
2011-04-28

Methods of saccharification of polysaccharides in plants

#336
20110067829
2011-03-24

Maintenance of sulfur concentration in Kraft pulp processes

#337
20110003352
2011-01-06

PROCESS FOR THE STEPWISE TREATMENT OF LIGNOCELLULOSIC MATERIAL TO PRODUCE REACTIVE CHEMICAL FEEDSTOCKS

#338
20100325947
2010-12-30

Method for separating lignin from black liquor, a lignin product, and use of a lignin product for the production of fuels or materials

#339
20100317905
2010-12-16

Use of Methanol in the Production of Hydrogen and Fuel, Processes and Plants for the Production of Hydrogen and Fuel

#340
20100317749
2010-12-16

Waste water treatment from a biomass-to-liquid process comprising synthesis gas production and integrated factory facility

#341
20100311110
2010-12-09

Thermal and acid tolerant beta xylosidases, arabinofuranosidases, genes encoding, related organisms, and methods

#342
20100305244
2010-12-02

Derivatives of native lignin from annual fibre feedstocks

#343
20100305243
2010-12-02

Derivatives of native lignin from softwood feedstocks

#344
20100305242
2010-12-02

Derivatives of native lignin from hardwood feedstocks

#345
20100305241
2010-12-02

Derivatives of native lignin

#346
20100300634
2010-12-02

Method of making medium density fiberboard

#347
20100291650
2010-11-18

Methods for reducing enzyme consumption in second generation bioethanol fermentation in the prescence of lignin

#348
20100276092
2010-11-04

Method of pre-treating woodchips prior to mechanical pulping

#349
20100269990
2010-10-28

Separation of reactive cellulose from lignocellulosic biomass with high lignin content

#350
20100263814
2010-10-21

PRETREATMENT OF LIGNOCELLULOSIC BIOMASS THROUGH REMOVAL OF INHIBITORY COMPOUNDS

#351
20100240877
2010-09-23

Integrated system for producing value-added products from lignin produced in the manufacturing of cellulosic ethanol

#352
20100240104
2010-09-23

Conversion of knot rejects from chemical pulping

#353
20100196967
2010-08-05

Fractionation of a lignocellulosic material

#354
20100186736
2010-07-29

Method and apparatus for conveying a cellulosic feedstock

#355
20100186735
2010-07-29

Method and apparatus for conveying a cellulosic feedstock

#356
20100181034
2010-07-22

Removal of inhibitory compounds during pre-treatment of lignocellulosic biomass

#357
20100178677
2010-07-15

System and process for biomass treatment

#358
20100159522
2010-06-24

ORGANOSOLV AND OZONE TREATMENT OF BIOMASS TO ENHANCE ENZYMATIC SACCHARIFICATION

#359
20100159520
2010-06-24

Organic solvent pretreatment of biomass to enhance enzymatic saccharification

#360
20100159519
2010-06-24

Organic solvent pretreatment of biomass to enhance enzymatic saccharification

#361
20100159518
2010-06-24

Organic solvent pretreatment of biomass to enhance enzymatic saccharification

#362
20100159517
2010-06-24

Organic solvent pretreatment of biomass to enhance enzymatic saccharification

#363
20100159515
2010-06-24

OXIDATIVE PRETREATMENT OF BIOMASS TO ENHANCE ENZYMATIC SACCHARIFICATION

#364
20100136642
2010-06-03

Recovery of lignin and water soluble sugars from plant materials

#365
20100136634
2010-06-03

METHOD AND EQUIPMENT FOR PRODUCTION OF GLUCOSE, ETHANOL,FURFURAL,FURANE AND LIGNIN FROM RENEWABLE RAW MATERIALS

#366
20100125135
2010-05-20

Sugar production by decrystallization and hydrolysis of polysaccharide enriched biomass

#367
20100121047
2010-05-13

Methods and apparatus for hydrolyzing cellulosic material

#368
20100116267
2010-05-13

Apparatus and method for treating, pressing and washing biomass

#369
20100101742
2010-04-29

Process of treating a lignocellulosic material with an alkali metal borate pre-extraction step

#370
20100041879
2010-02-18

Method for recovering a low sodium content lignin fuel from black liquor

#371
20090288788
2009-11-26

Pretreating cellulosic biomass

#372
20090275777
2009-11-05

Carboxylic acid production process employing solvent from esterification of lignocellulosic material

#373
20090236060
2009-09-24

Method for vapor phase pulping with alcohol and sulfur dioxide

#374
20090226978
2009-09-10

Thermal and acid tolerant beta-xylosidases, genes encoding, related organisms, and methods

#375
20090218062
2009-09-03

Process for generating a hydrocarbon feedstock from lignin

#376
20090218061
2009-09-03

Process for generating a hydrocarbon feedstock lignin

#377
20090218055
2009-09-03

Method for recovering hydrolysis products

#378
20090209739
2009-08-20

Method for separating and recovering lignin derivatives

#379
20090194243
2009-08-06

Method for treating lignocellulosic materials

#380
20090165968
2009-07-02

Modified Kraft fibers

#381
20090145021
2009-06-11

Lignin-solvent fuel and method and apparatus for making same

#382
20090099354
2009-04-16

METHOD FOR SEPARATING POLYMERIC PENTOSE FROM A LIQUID/SLURRY

#383
20090069550
2009-03-12

Methods for isolating and harvesting lignin and isolated lignin preparations produced using the methods

#384
20090062516
2009-03-05

LIGNIN AND OTHER PRODUCTS ISOLATED FROM PLANT MATERIAL, METHODS FOR ISOLATION AND USE, AND COMPOSITIONS CONTAINING LIGNIN AND OTHER PLANT-DERIVED PRODUCTS

#385
20090056889
2009-03-05

Detoxifying and recycling of washing solution used in pretreatment of lignocellulose-containing materials

#386
20090053800
2009-02-26

Biomass Treatment Apparatus

#387
20090053770
2009-02-26

Biomass pretreatment

#388
20090038212
2009-02-12

Lignin dewatering process

#389
20090004706
2009-01-01

METHODS TO ENHANCE THE ACTIVITY OF LIGNOCELLULOSE-DEGRADING ENZYMES

#390
20090004698
2009-01-01

METHODS TO ENHANCE THE ACTIVITY OF LIGNOCELLULOSE-DEGRADING ENZYMES

#391
20090004692
2009-01-01

METHODS TO ENHANCE THE ACTIVITY OF LIGNOCELLULOSE-DEGRADING ENZYMES

#392
20080293114
2008-11-27

Method of continuous processing of lignocellulosic feedstock

#393
20080264588
2008-10-30

Method of Making Medium Density Fiberboard

#394
20080219912
2008-09-11

Particulate matter and methods of obtaining same from a kraft waste reclamation

#395
20080214796
2008-09-04

Separating lignin from black liquor by precipitation, suspension and separation

#396
20080202504
2008-08-28

Process for rapid acid hydrolysis of lignocellulosic material and in a hydrolysis reactor

#397
20080196847
2008-08-21

Pre-extraction and solvent pulping of lignocellulosic material

#398
20080142176
2008-06-19

Process of treating a lignocellulosic material with hemicellulose pre-extraction and hemicellulose adsorption

#399
20080121356
2008-05-29

Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors

#400
20080056983
2008-03-06

Process for producing ammonia and sulfuric acid from a stream comprising ammonium sulfate

#401
20080053337
2008-03-06

Precipitated calcium carbonate from kraft pulp lime mud for use in filled and coated paper

#402
20080051566
2008-02-28

Method for separating lignin from a lignin containing liquid/slurry

#403
20080047674
2008-02-28

Method for separating lignin from black liquor

#404
20080022997
2008-01-31

Process and apparatus for the conversion of biomass

#405
20080015373
2008-01-17

Production of a refinery feedstock from soaps produced during a chemical pulping process

#406
20080003429
2008-01-03

Viscose product

#407
20080001325
2008-01-03

Method for Processing High Hemicellulose Pulp in Viscose Manufacture

#408
20070259412
2007-11-08

Integrated processing of plant biomass

#409
20070254348
2007-11-01

METHOD FOR THE PRODUCTION OF FERMENTABLE SUGARS AND CELLULOSE FROM LIGNOCELLULOSIC MATERIAL

#410
20070227979
2007-10-04

Black liquor treatment method

#411
20070193706
2007-08-23

Method of pre-treating woodchips prior to mechanical pulping

#412
20070079944
2007-04-12

Product and processes from an integrated forest biorefinery

#413
20070029252
2007-02-08

System and process for biomass treatment

#414
20070000627
2007-01-04

Modified kraft fibers

#415
20060241287
2006-10-26

Extracting biopolymers from a biomass using ionic liquids

#416
20060005932
2006-01-12

TREATMENT OF SOLID CONTAINING MATERIAL DERIVED FROM EFFLUENT

#417
20050167060
2005-08-04

Treatment of solid containing material derived from effluent

#418
20050155730
2005-07-21

Method for the production of high yield chemical pulp from softwood

#419
20050079117
2005-04-14

Processes for preparing calcium carbonate

#420
20050061457
2005-03-24

Process for preparing purified fractions of hemicellulose and cellulose-hemicellulose complexes from alkali treated fiber and products made by the process

#421
18939596
2025-04-15

Cellulose based biodegradable absorptive filter and method of making

#422
18808127
2024-12-24

Method for making an adsorptive air filter

#423
18665929
2024-10-01

Biodegradable air filter from date palm and method of fabrication thereof