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D21H23/22
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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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D21H23/22
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Patents Grants
last 30 patents
Information
Patent Grant
Paperboard structure with at least one barrier coating layer
Patent number
12,152,346
Issue date
Nov 26, 2024
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Pigment-coated board having improved PE adhesion
Patent number
12,018,436
Issue date
Jun 25, 2024
BillerudKorsnäs AB
Johan Larsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Softener composition
Patent number
11,492,760
Issue date
Nov 8, 2022
Kemira Oyj
Chen Lu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sheet with high sizing acceptance
Patent number
11,408,128
Issue date
Aug 9, 2022
Eastman Chemical Company
Melvin Glenn Mitchell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paper treatment agent
Patent number
11,326,309
Issue date
May 10, 2022
Miyoshi Oil & Fat Co., Ltd.
Emi Shigyo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition comprising cross-linked anionic, organic polymeric micr...
Patent number
11,306,441
Issue date
Apr 19, 2022
Solenis Technologies, L.P.
Christian Jehn-Rendu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Paperboard structure with at least one barrier coating layer
Patent number
11,299,855
Issue date
Apr 12, 2022
WestRock MWV, LLC
Jiebin Pang
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
Absorbent article and method of manufacturing the same
Patent number
10,918,538
Issue date
Feb 16, 2021
Daio Paper Corporation
Takeshi Kurohara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wet coating compositions for paper substrates, paper substrates coa...
Patent number
10,683,435
Issue date
Jun 16, 2020
CASCADES SONOCO INC.
Yvon Mongrain
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Water based wax dispersion comprising a hydrocarbon wax and a dialk...
Patent number
10,676,870
Issue date
Jun 9, 2020
Sasol Wax GmbH
Andreas Schwalbe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Core/shell polymer particles as surface sizing agents
Patent number
10,640,926
Issue date
May 5, 2020
Kemira Oyj
Anneli Lepo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Softener composition
Patent number
10,570,567
Issue date
Feb 25, 2020
Kemira Oyj
Chen Lu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Lignin-based waterproof coating
Patent number
10,544,545
Issue date
Jan 28, 2020
Queensland University of Technology
Leslie Alan Edye
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing paper
Patent number
10,458,068
Issue date
Oct 29, 2019
Kemira Oyj
Chen Lu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Ways to generate plasma in continuous power mode for low pressure p...
Patent number
10,410,833
Issue date
Sep 10, 2019
Europlasma NV
Filip Legein
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Sizing composition, its use and a method for producing paper, board...
Patent number
10,407,831
Issue date
Sep 10, 2019
Kemira Oyj
Matti Hietaniemi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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...
Information
Patent Grant
Paper composite, packaging material, and production method of paper...
Patent number
10,370,796
Issue date
Aug 6, 2019
Kuraray Co., Ltd.
Masako Kawagoe
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Wrapping paper having transparent regions
Patent number
10,362,801
Issue date
Jul 30, 2019
Delfortgroup AG
Roland Zitturi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Web of cellulosic fibers comprising an active agent and method for...
Patent number
10,253,455
Issue date
Apr 9, 2019
ESSITY OPERATIONS FRANCE
Gérald Duhen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fire retarded aramid fiber-based honeycomb
Patent number
10,245,804
Issue date
Apr 2, 2019
Hexcel Corporation
Lance Smith
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Use of nanocrystaline cellulose and polymer grafted nanocrystaline...
Patent number
10,132,040
Issue date
Nov 20, 2018
Ecolab USA Inc.
David J. Castro
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Intermediate laminate product, an expanded laminate structure, and...
Patent number
10,118,368
Issue date
Nov 6, 2018
SCA Forest Products AB
Kent Malmgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Dispersion for producing abrasion-resistant surfaces
Patent number
10,113,269
Issue date
Oct 30, 2018
Kronoplus Technical AG
Dieter Dohring
B44 - DECORATIVE ARTS
Information
Patent Grant
Starch amine complexes for increased water resistance of paper
Patent number
10,072,381
Issue date
Sep 11, 2018
The United States of America, as represented by the Secretary of Agriculture
George F. Fanta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Separated treatment of paper substrate with multivalent metal salts...
Patent number
10,036,124
Issue date
Jul 31, 2018
International Paper Company
Benny J. Skaggs
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Coextrusion paper coating method forming multilayer comprising biod...
Patent number
9,844,797
Issue date
Dec 19, 2017
BASF SE
Gabriel Skupin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Wet coating compositions for paper substrates, paper substrates coa...
Patent number
9,840,642
Issue date
Dec 12, 2017
CASCADES SONOCO INC.
Yvon Mongrain
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of modifying nanofibrillar cellulose composition
Patent number
9,809,655
Issue date
Nov 7, 2017
UPM-Kymmene Corporation
Antti Laukkanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
SURFACE SIZING AGENT FOR PAPER AND/OR CARDBOARD
Publication number
20240401279
Publication date
Dec 5, 2024
Mondi AG
Johannes LEITNER
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
FIBER WEB PRODUCT AND MANUFACTURING METHOD OF THE SAME
Publication number
20240352676
Publication date
Oct 24, 2024
KAWANO PAPER CO., LTD.
Kenji TANIGUCHI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HPMC COMPOSITION FOR COATING OF PAPER AND BOARD FOR REDUCING MIGRAT...
Publication number
20240318384
Publication date
Sep 26, 2024
NUTRITION & BIOSCIENCES USA 1, LLC
Roland Bayer
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BIOBASED BARRIER FILM FOR PACKAGING MATERIAL
Publication number
20240263399
Publication date
Aug 8, 2024
STORA ENSO OYJ
Isto Heiskanen
B32 - LAYERED PRODUCTS
Information
Patent Application
BARRIER LAYER FOR CELLULOSE SUBSTRATE
Publication number
20240218602
Publication date
Jul 4, 2024
COATEX
Francis BONY
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MULTILAYER MATERIAL WHICH CAN BE USED AS PACKAGING, COMPRISING A LA...
Publication number
20240200272
Publication date
Jun 20, 2024
LACTIPS
Bastien BESSAIRE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
USE OF NON-HALOGEN FIRE RETARDANT COMPOSITION FOR INDIRECT FIRE PRO...
Publication number
20240102248
Publication date
Mar 28, 2024
ECOCHEM INTERNATIONAL NV
Helmut WIEHN
B32 - LAYERED PRODUCTS
Information
Patent Application
PAPER BASED MATERIALS FOR THE STORAGE OF ELECTRICAL ENERGY
Publication number
20240006593
Publication date
Jan 4, 2024
KABEL PREMIUM PULP & PAPER GMBH
Ludger ZERWES
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
USE OF A CELLULOSE DERIVATIVE AND METHOD FOR SURFACE SIZING
Publication number
20230122933
Publication date
Apr 20, 2023
KEMIRA OYJ
Ville NYMAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPERBOARD STRUCTURE WITH AT LEAST ONE BARRIER COATING LAYER
Publication number
20220195671
Publication date
Jun 23, 2022
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER TREATMENT AGENT
Publication number
20210047783
Publication date
Feb 18, 2021
MIYOSHI OIL & FAT CO., LTD.
Emi SHIGYO
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
CONTAINER WITH HIGH MOISTURE BARRIER PROPERTIES AND A RECLOSEABLE P...
Publication number
20200262608
Publication date
Aug 20, 2020
Evergreen Packaging, Inc.
Yong Zheng
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
COMPOSITION COMPRISING CROSS-LINKED ANIONIC, ORGANIC POLYMERIC MICR...
Publication number
20200217015
Publication date
Jul 9, 2020
SOLENIS TECHNOLOGIES CAYMAN, L.P.
Christian JEHN-RENDU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SOFTENER COMPOSITION
Publication number
20200149223
Publication date
May 14, 2020
KEMIRA OYJ
Chen LU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PIGMENT-COATED BOARD HAVING IMPROVED PE ADHESION
Publication number
20200080263
Publication date
Mar 12, 2020
BILLERUDKORSNÄS AB
Johan Larsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SHEET WITH HIGH SIZING ACCEPTANCE
Publication number
20200063370
Publication date
Feb 27, 2020
Eastman Chemical Company
Melvin Glenn Mitchell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS STRUCTURES COMPRISING VOLATILE AGAVE COMPOUNDS
Publication number
20200040529
Publication date
Feb 6, 2020
Kimberly-Clark Worldwide, Inc.
Kayla Elizabeth Rouse
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
PAPER SUBSTRATE HAVING ENHANCED PRINT DENSITY
Publication number
20190309478
Publication date
Oct 10, 2019
International Paper Company
Jay C. Song
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PAPER SUBSTRATE HAVING ENHANCED PRINT DENSITY
Publication number
20190309479
Publication date
Oct 10, 2019
International Paper Company
Jay C. Song
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HEAT-SEALABLE PAPERBOARD STRUCTURE AND METHOD
Publication number
20190257034
Publication date
Aug 22, 2019
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CORE/SHELL POLYMER PARTICLES AS SURFACE SIZING AGENTS
Publication number
20180251945
Publication date
Sep 6, 2018
KEMIRA OYJ
Anneli LEPO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR HYDROPHOBING A CELLULOSE SUBSTRATE
Publication number
20180179708
Publication date
Jun 28, 2018
STORA ENSO OYJ
Annki Karlsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Wrapping Paper Having Transparent Regions
Publication number
20180125114
Publication date
May 10, 2018
delfortgroup AG
Roland Zitturi
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
WET COATING COMPOSITIONS FOR PAPER SUBSTRATES, PAPER SUBSTRATES COA...
Publication number
20180072915
Publication date
Mar 15, 2018
CASCADES SONOCO INC.
Yvon MONGRAIN
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
METHOD FOR PRODUCING PAPER
Publication number
20180051416
Publication date
Feb 22, 2018
KEMIRA OYJ
Chen LU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Water Based Wax Dispersion Comprising a Hydrocarbon Wax and a Dialk...
Publication number
20180030657
Publication date
Feb 1, 2018
SASOL WAX GMBH
Andreas Schwalbe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Starch Amine Complexes for Increased Water Resistance of Paper
Publication number
20180023252
Publication date
Jan 25, 2018
The United States of America, as Represented by the Secretary of Agriculture
George F. Fanta
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
AN INTERMEDIATE LAMINATE PRODUCT, AN EXPANDED LAMINATE STRUCTURE, A...
Publication number
20170361573
Publication date
Dec 21, 2017
SCA FOREST PRODUCTS AB
Kent MALMGREN
B32 - LAYERED PRODUCTS
Information
Patent Application
Sizing composition, its use and a method for producing paper, board...
Publication number
20170284028
Publication date
Oct 5, 2017
KEMIRA OYJ
Matti HIETANIEMI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PAPER COMPOSITE, PACKAGING MATERIAL, AND PRODUCTION METHOD OF PAPER...
Publication number
20170268175
Publication date
Sep 21, 2017
Kuraray Co., Ltd
Masako KAWAGOE
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL