Patents-Review.com
ClassID:

126659 ⎘

D21F11/04 - CPC Classification

Classification description:

Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type paper or board consisting on two or more layers

Recent Application in this class:
#1
20260117468
2026-04-30

LAYERED FIBROUS STRUCTURES

 #2
20260117467
2026-04-30

LAYERED FIBROUS STRUCTURES

 #3
20260028779
2026-01-29

PAPER-SPECIFIC MOISTURE CONTROL IN A TRAVELING PAPER WEB

 #4
20250303683
2025-10-02

Cellulose-Based Packaging Materials with Enhanced Barrier Properties

 #5
20250263889
2025-08-21

Headbox for Manufacturing a Substrate

 #6
20250092602
2025-03-20

CONTINUOUS PAPERMAKING MACHINES AND METHODS FOR CONTINUOUS PAPERMAKING

 #7
20250084592
2025-03-13

Assymetric Paperboard

 #8
20240426060
2024-12-26

METHOD FOR MANUFACTURING A MULTIPLY PAPERBOARD, AND A MULTIPLY PAPERBOARD

 #9
20240287740
2024-08-29

FIBER MOLDING TOOL FLOW STRUCTURES

 #10
20240240408
2024-07-18

MULTIPLY CONTAINERBOARD FOR USE IN CORRUGATED BOARD

 #11
20240183110
2024-06-06

DURABLE TISSUE PRODUCT

 #12
20240125052
2024-04-18

WHITE TOP KRAFTLINER PAPER, PRODUCTION PROCESS OF SAID PAPER, USE OF PAPER AND PACKAGING

 #13
20240084509
2024-03-14

METHOD AND DEVICE FOR PRODUCING OR TREATING A WEB OF FIBROUS MATERIAL

 #14
20230407574
2023-12-21

High strength and low stiffness hesperaloe tissue

 #15
20230250586
2023-08-10

Absorbent Product with Improved Capillary Pressure and Saturation Capacity

 #16
20230250582
2023-08-10

Paper products having increased bending stiffness and cross-direction strength and methods for making the same

 #17
20230243099
2023-08-03

A METHOD FOR PRODUCING A MACHINE GLAZED PAPER COMPRISING MICROFIBRILLATED CELLULOSE AND A MACHINE GLAZED PAPER

 #18
20230220630
2023-07-13

LAYERED FIBROUS STRUCTURES

 #19
20230151553
2023-05-18

MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS

 #20
20230151552
2023-05-18

MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS

 #21
20230151545
2023-05-18

Multilayer film comprising highly refined cellulose fibers

 #22
20230122650
2023-04-20

High strength and low stiffness hesperaloe tissue

 #23
20230072598
2023-03-09

Tissue products comprising crosslinked fibers

 #24
20230052502
2023-02-16

PAPER-SPECIFIC MOISTURE CONTROL IN A TRAVELING PAPER WEB

 #25
20230019391
2023-01-19

Light weight linerboard for corrugated board

 #26
20220380979
2022-12-01

Through-air apparatus to reduce infiltration of ambient air

 #27
20220034042
2022-02-03

Paper-specific moisture control in a traveling paper web

 #28
20210301464
2021-09-30

Cellulose based film structure and method for producing the same

 #29
20210292973
2021-09-23

Layered tissue comprising non-wood fibers

 #30
20210238807
2021-08-05

Paper-specific moisture control in a traveling paper web

 #31
20210238806
2021-08-05

Durable tissue product

 #32
20210230802
2021-07-29

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

 #33
20210207326
2021-07-08

Laminate and method for producing laminate

 #34
20210189658
2021-06-24

Method for producing single-layer or multi-layer paper

 #35
20210156093
2021-05-27

High strength and low stiffness hesperaloe tissue

 #36
20210054572
2021-02-25

LAYERED FIBROUS STRUCTURES COMPRISING CROSS-LINKED FIBERS

 #37
20210040696
2021-02-11

Paper-specific moisture control in a traveling paper web

 #38
20210002830
2021-01-07

Method for manufacturing a multi-layered paperboard, multi-layered paperboard and composition for use in multi-layered paperboard manufacturing

 #39
20200407916
2020-12-31

Method of forming a three-layer board web and a forming section of forming a three-layer board web

 #40
20200325626
2020-10-15

Cellulose based film structure and method for producing the same

 #41
20200283957
2020-09-10

APPARATUS, SYSTEMS AND METHODS FOR MAKING RE-PULPABLE INSULATED PAPER PRODUCTS

 #42
20200232166
2020-07-23

Layered tissue comprising non-wood fibers

 #43
20200102705
2020-04-02

High strength and low stiffness hesperaloe tissue

 #44
20200080264
2020-03-12

Method for increasing the strength properties of a paper or board product

 #45
20190264395
2019-08-29

High strength and low stiffness hesperaloe tissue

 #46
20190264393
2019-08-29

Web forming device and sheet manufacturing apparatus

 #47
20190226133
2019-07-25

Process for producing nonwoven

 #48
20190211503
2019-07-11

Paper products having increased bending stiffness and cross-direction strength and methods for making the same

 #49
20180361702
2018-12-20

Multilayer facer manufacturing system

 #50
20180207921
2018-07-26

Multi-layer cardboard material and method for producing a multi-layer cardboard material

 #51
20180142421
2018-05-24

High strength and low stiffness hesperaloe tissue

 #52
20180141009
2018-05-24

Process and device for manufacturing a laminated material comprising a fibrillated cellulose layer

 #53
20170247837
2017-08-31

LAMINATE, PROCESS, AND USE

 #54
20160059530
2016-03-03

Method for producing a core card, and core card for a laminate

 #55
20150275431
2015-10-01

Fibrous structures

 #56
20130025806
2013-01-31

Systems and methods for making fiber webs

 #57
20130009335
2013-01-10

Systems and methods for making fiber webs

 #58
20120312488
2012-12-13

Method for forming a fibrous media

 #59
20120312487
2012-12-13

SYSTEMS AND METHODS FOR MAKING FIBER WEBS

 #60
20110297342
2011-12-08

Process for the production of paper or paperboard

 #61
20100187712
2010-07-29

Method and apparatus for forming a fibrous media

 #62
20100187171
2010-07-29

Fibrous media

 #63
20100059190
2010-03-11

Method of manufacturing a multilayer fibrous product

 #64
20100000693
2010-01-07

METHOD FOR PRODUCING A MULTI LAYER FIBER WEB FROM CELLULOSE FIBERS

 #65
20090165973
2009-07-02

Web-forming section and method for manufacturing multi-layer web

 #66
20090020251
2009-01-22

Machine for forming a fibrous web

 #67
20080251224
2008-10-16

Process for Making a Paperboard from a High Consistency Slurry Containing High Levels of Crosslinked Cellulosic Fibers

 #68
20080121360
2008-05-29

Method For Making A Layered Paper Or Board Web

 #69
20080108266
2008-05-08

Method of making multilayer nonwoven fibrous mats

 #70
20070187055
2007-08-16

Acacia fiber-containing fibrous structures and methods for making same

 #71
20070012414
2007-01-18

Multilayer nonwoven fibrous mats with good hiding properties, laminates and method

 #72
20060144538
2006-07-06

Process for making a paperboard from a high consistency slurry containing high levels of crosslinked cellulosic fibers

 #73
20060144537
2006-07-06

Paperboard

 #74
20060108047
2006-05-25

Process for making a fibrous structure comprising cellulosic and synthetic fibers

 #75
20060108046
2006-05-25

Process for making a fibrous structure comprising cellulosic and synthetic fibers

 #76
20060081348
2006-04-20

Fluted composite and related absorbent articles

 #77
20060005934
2006-01-12

Methods for forming a fluted composite

 #78
20050247417
2005-11-10

Multi-ply wiping products made according to a low temperature delamination process

 #79
20050090789
2005-04-28

Absorbent composite having improved surface dryness

 #80
20050072541
2005-04-07

Sizing method for board

 #81
20050039874
2005-02-24

Sheet forming device and method for sheet forming

 #82
20050034831
2005-02-17

Method to measure tension in a moving web and to control properties of the web

 #83
20050034827
2005-02-17

Method of forming a fibrous web

 #84
17388176
2023-10-03

Thick-caliper laminated paperboard and methods for making the same