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D21H23/50
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D
TEXTILES PAPER
D21
Papermaking
D21H
PULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR
D21H23/00
Processes or apparatus for adding material to the pulp or to the paper
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D21H23/50
Spraying or projecting
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Patents Grants
last 30 patents
Information
Patent Grant
Paperboard and a method of producing a paperboard
Patent number
11,952,718
Issue date
Apr 9, 2024
Stora Enso Oyj
Frank Peng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber body manufacturing method
Patent number
11,859,348
Issue date
Jan 2, 2024
Seiko Epson Corporation
Masahide Nakamura
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper strength improvement using metal chelates and synthetic catio...
Patent number
11,834,792
Issue date
Dec 5, 2023
Kemira Oyj
Clayton Campbell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for production of film comprising microfibrillated cellulose
Patent number
11,834,793
Issue date
Dec 5, 2023
Stora Enso Oyj
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for depositing a cellulosic fiber composition on a substrate
Patent number
11,795,621
Issue date
Oct 24, 2023
Kadant LaMort
Alain Lascar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of manufacturing of a foam-formed cellulosic fibre-material,...
Patent number
11,692,313
Issue date
Jul 4, 2023
Tetra Laval Holdings & Finance S.A.
Mats Aldén
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method for producing multi-layer paper
Patent number
11,680,371
Issue date
Jun 20, 2023
Solenis Technologies, L.P.
Christoph Hamers
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber body forming method and fiber body forming apparatus
Patent number
11,680,372
Issue date
Jun 20, 2023
Seiko Epson Corporation
Tetsuya Aoyama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for providing coating layer comprising micro fibrillated ce...
Patent number
11,598,050
Issue date
Mar 7, 2023
Stora Enso Oyj
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber body forming method and sheet
Patent number
11,492,759
Issue date
Nov 8, 2022
Seiko Epson Corporation
Shigemi Wakabayashi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Inner liner for a cigarette
Patent number
11,421,386
Issue date
Aug 23, 2022
Guangzhou Huadu Lianhua Packing Material Co., Ltd.
Bifeng Chen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Deodorant-paper manufacturing method
Patent number
11,396,727
Issue date
Jul 26, 2022
CORELEX SHIN-EI CO., LTD.
Satoshi Kurosaki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for manufacturing a multi-layered paperboard, multi-layered...
Patent number
11,365,517
Issue date
Jun 21, 2022
Kemira Oyj
Matti Hietaniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fiber body forming method and fiber body forming apparatus
Patent number
11,346,054
Issue date
May 31, 2022
Seiko Epson Corporation
Tetsuya Aoyama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polymer coated paperboard container and method
Patent number
11,332,281
Issue date
May 17, 2022
ALTRIA CLIENT SERVICES LLC
Gregory James Griscik
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Oil and grease resistant paperboard
Patent number
11,326,308
Issue date
May 10, 2022
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fibrous body manufacturing apparatus and fibrous body manufacturing...
Patent number
11,319,674
Issue date
May 3, 2022
Seiko Epson Corporation
Tetsuya Aoyama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing single-layer or multi-layer paper
Patent number
11,293,143
Issue date
Apr 5, 2022
Solenis Technologies, L.P.
Christoph Hamers
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fibrous product
Patent number
11,168,444
Issue date
Nov 9, 2021
ESSITY HYGIENE AND HEALTH AKTIEBOLAG
Ulrika Husmark
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for preparing large-area structural chromogenic pattern by i...
Patent number
11,091,661
Issue date
Aug 17, 2021
Dalian University of Technology
Suli Wu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dispersible wet wipes constructed with patterned binder
Patent number
11,028,537
Issue date
Jun 8, 2021
Kimberly-Clark Worldwide, Inc.
Nathan John Vogel
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fibrous structures with shaped polymer particles
Patent number
10,920,376
Issue date
Feb 16, 2021
The Procter & Gamble Company
Kathryn Christian Kien
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for manufacturing an improved web material by the in-situ m...
Patent number
10,844,546
Issue date
Nov 24, 2020
Eldorado Brasil Celulose S.A.
Fernando Henrique-Pescatori Silva
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Process for the in-situ adjustmen of ion concentrations during the...
Patent number
10,844,547
Issue date
Nov 24, 2020
Eldorado Brasil Celulose S.A.
Fernando Henrique-Pescatori Silva
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Method for fabricating shaped paper products
Patent number
10,767,313
Issue date
Sep 8, 2020
GOLDEN ARROW PRINTING TECHNOLOGY (KUNSHAN) CO., LTD.
Chien-Kuan Kuo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polymer coated paperboard container and method
Patent number
10,604,302
Issue date
Mar 31, 2020
ALTRIA CLIENT SERVICES LLC
Gregory James Griscik
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Method with a horizontal jet applicator for a paper machine wet end
Patent number
10,550,520
Issue date
Feb 4, 2020
GL&V CANADA INC.
Pierre Gélinas
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Oil and grease resistant paperboard
Patent number
10,519,604
Issue date
Dec 31, 2019
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Toilet tissue spray dispenser and method
Patent number
10,428,461
Issue date
Oct 1, 2019
Aquinelle, LLC
Joseph Kassin
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method for hydrophobing a cellulose substrate
Patent number
10,378,153
Issue date
Aug 13, 2019
Stora Enso Oyj
Annki Karlsson
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING DECORATIVE PAPER
Publication number
20240426058
Publication date
Dec 26, 2024
SWISS KRONO Tec AG
Frank OLDORFF
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PROCESSING CONVENTIONAL PAPERS AND PULPS INTO HYDROPHOBIC AND WATER...
Publication number
20240247442
Publication date
Jul 25, 2024
Mississippi State University
Xuefeng Zhang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Spray N Wipe
Publication number
20240225376
Publication date
Jul 11, 2024
TomAnthony Ibarrondo
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
A METHOD FOR COATING A HOLLOW CONTAINER COMPRISING MOLDED PULP
Publication number
20240167228
Publication date
May 23, 2024
Billerud Aktiebolag (publ)
Lars Sandberg
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
A METHOD FOR PROVIDING A NON-UNIFORM BARRIER COATING ON A HOLLOW CO...
Publication number
20240167229
Publication date
May 23, 2024
Billerud Aktiebolag (publ)
Lars Sandberg
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Spray N Wipe
Publication number
20240130577
Publication date
Apr 25, 2024
TomAnthony Ibarrondo
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
BARRIER FILM FOR PACKAGING MATERIAL
Publication number
20230416992
Publication date
Dec 28, 2023
STORA ENSO OYJ
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING A GREEN PAPER FOR PRODUCING A GAS DIFFUSION LA...
Publication number
20230411632
Publication date
Dec 21, 2023
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
Mario KELLER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ENHANCED CELLULOSE NANOFIBRILS (CNF)
Publication number
20230407569
Publication date
Dec 21, 2023
GREENTECH GLOBAL PTE. LTD.
Michael Albert BILODEAU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR MANUFACTURING TISSUE PAPER AND METHOD FOR MANUFACTURING...
Publication number
20230366156
Publication date
Nov 16, 2023
DAIO PAPER CORPORATION
Sadanao MANABE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
NITROCELLULOSE PAPERS AND METHODS OF PRODUCTION AND USE
Publication number
20230366151
Publication date
Nov 16, 2023
Merck Patent GmbH
Tina BOCK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD
Publication number
20230366152
Publication date
Nov 16, 2023
PA KNOWLEDGE LIMITED
Rodney Edward SMITH
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Biopolymer composition and its use as a powder coating
Publication number
20230357991
Publication date
Nov 9, 2023
Brightplus Oy
Maiju Hietala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
STRENGTH IMPROVEMENT VIA SPRAYBOOM APPLICATION
Publication number
20230313467
Publication date
Oct 5, 2023
ECOLAB USA INC.
David Steven JORDAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A PACKAGING MATERIAL FOR PACKAGING OF LIQUID AND FOOD
Publication number
20230212825
Publication date
Jul 6, 2023
STORA ENSO OYJ
Chris Bonnerup
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MULTILAYER FILM COMPRISING HIGHLY REFINED CELLULOSE FIBERS
Publication number
20230151545
Publication date
May 18, 2023
STORA ENSO OYJ
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER-BASED FLEXIBLE PACKAGING MATERIAL WITH HIGH BARRIER PROPERTIE...
Publication number
20230123531
Publication date
Apr 20, 2023
SOCIETE DES PRODUITS NESTLE S.A.
ALEXEY VISHTAL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBER BODY MANUFACTURING METHOD
Publication number
20220412012
Publication date
Dec 29, 2022
SEIKO EPSON CORPORATION
Masahide NAKAMURA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PRODUCTION OF SHEETS COMPRISING FIBRILLATED CELLULOSE
Publication number
20220251784
Publication date
Aug 11, 2022
BILLERUDKORSNÄS AB
Yunus Can Gorur
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
Publication number
20220251786
Publication date
Aug 11, 2022
SEIKO EPSON CORPORATION
Tetsuya AOYAMA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR APPLYING STARCH TO A PAPER OR PAPERBOARD WEB
Publication number
20220243401
Publication date
Aug 4, 2022
STORA ENSO OYJ
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER STRENGTH IMPROVEMENT USING METAL CHELATES AND SYNTHETIC CATIO...
Publication number
20220195672
Publication date
Jun 23, 2022
KEMIRA OYJ
Clayton CAMPBELL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR DEPOSITING A CELLULOSIC FIBER COMPOSITION ON A SUBSTRATE
Publication number
20220195670
Publication date
Jun 23, 2022
KADANT LAMORT
Alain Lascar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
A PAPERBOARD AND A METHOD OF PRODUCING A PAPERBOARD
Publication number
20220074144
Publication date
Mar 10, 2022
STORA ENSO OYJ
Frank Peng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR HYDROPHOBIZING A CELLULOSE SUBSTRATE BY UTILIZING A FATT...
Publication number
20220010493
Publication date
Jan 13, 2022
STORA ENSO OYJ
Susanne Hansson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR HYDROPHOBIZING A CELLULOSE SUBSTRATE BY UTILIZING A FATT...
Publication number
20220002949
Publication date
Jan 6, 2022
STORA ENSO OYJ
Susanne Hansson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING MULTI-LAYER PAPER
Publication number
20210222371
Publication date
Jul 22, 2021
SOLENIS TECHNOLOGIES CAYMAN, L.P.
Christoph HAMERS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS PRODUCT
Publication number
20210189654
Publication date
Jun 24, 2021
Ulrika Husmark
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING SINGLE-LAYER OR MULTI-LAYER PAPER
Publication number
20210189658
Publication date
Jun 24, 2021
SOLENIS TECHNOLOGIES CAYMAN, L.P.
Christoph HAMERS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS BODY MANUFACTURING APPARATUS AND FIBROUS BODY MANUFACTURING...
Publication number
20210108372
Publication date
Apr 15, 2021
SEIKO EPSON CORPORATION
Tetsuya AOYAMA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE