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CPC
D21H23/56

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DTEXTILES PAPER D21Papermaking D21HPULP 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 D21H23/00Processes or apparatus for adding material to the pulp or to the paper

Current Industry

D21H23/56Rolls

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Formulation for size press applications
- Patent number 12,203,220
- Issue date Jan 21, 2025
- Ecolab USA Inc.
- David J. Castro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the production of a coated paper, paperboard or film and...
- Patent number 12,152,345
- Issue date Nov 26, 2024
- Stora Enso Oyj
- Isto Heiskanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Preparation method of heat-not-burn cigarette paper with boron nitr...
- Patent number 12,104,325
- Issue date Oct 1, 2024
- Zhejiang University
- Qinghua Zhang
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Thermal paper, and methods and systems for forming the same
- Patent number 11,958,308
- Issue date Apr 16, 2024
- G13 INNOVATION IN PRODUCTION LTD
- Iakov Gozman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Hot-press gas grafting hydrophobization apparatus, and eco-friendly...
- Patent number 11,905,664
- Issue date Feb 20, 2024
- KNU - Industry Cooperation Foundation
- Myoung Ku Lee
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Water-dispersible composite structure and method of producing the same
- Patent number 11,885,072
- Issue date Jan 30, 2024
- Paptic Oy
- Karita Kinnunen-Raudaskoski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fire resistant retail product packaging materials and method of man...
- Patent number 11,828,027
- Issue date Nov 28, 2023
- Packaging and Crating Technologies, LLC
- Rodger A. Mort
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Device for applying a treatment substance
- Patent number 11,718,961
- Issue date Aug 8, 2023
- Andritz Kusters GmbH
- Eduard Davydenko
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Liquid applying apparatus for fiber products
- Patent number 11,655,592
- Issue date May 23, 2023
- Chan Li Machinery Co., Ltd.
- Tung-I Tsai
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Water-dispersible composite structure and method of producing the same
- Patent number 11,512,434
- Issue date Nov 29, 2022
- Paptic Oy
- Karita Kinnunen-Raudaskoski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for coating on baggy web
- Patent number 11,465,172
- Issue date Oct 11, 2022
- 3M Innovative Properties Company
- Kara A. Meyers
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Surface treatment composition
- Patent number 11,346,052
- Issue date May 31, 2022
- Stora Enso Oyj
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Barrier laminate with excellent barrier properties against moisture...
- Patent number 11,225,757
- Issue date Jan 18, 2022
- Hansol Paper Co., Ltd.
- Ha Yoon Jung
- 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
Cationic surface sizing agent
- Patent number 10,907,307
- Issue date Feb 2, 2021
- Kemira Oyj
- Anneli Lepo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Fluorescent whitening agents and mixtures thereof
- Patent number 10,787,769
- Issue date Sep 29, 2020
- BLANKOPHOR GMBH & CO. KG
- Marco Hafermann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing a flaked thermal-insulating and/or acoustic-i...
- Patent number 10,753,044
- Issue date Aug 25, 2020
- ENERPAPER S.R.L.
- Davide Contu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Surface treatment composition
- Patent number 10,619,304
- Issue date Apr 14, 2020
- Stora Enso Oyj
- Kaj Backfolk
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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
Monitoring applicator rods
- Patent number 10,378,150
- Issue date Aug 13, 2019
- International Paper Company
- Kerry D. Figiel
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Monitoring applicator rods and applicator rod nips
- Patent number 10,370,795
- Issue date Aug 6, 2019
- International Paper Company
- Kerry D. Figiel
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Texture subtractive patterning
- Patent number 10,280,567
- Issue date May 7, 2019
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Printable compostable paperboard
- Patent number 10,253,458
- Issue date Apr 9, 2019
- WestRock MWV, LLC
- Jiebin Pang
- 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
Video display apparatus and operating method thereof
- Patent number 9,967,626
- Issue date May 8, 2018
- LG Electronics Inc.
- Kyoungsoo Moon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Printable compostable paperboard
- Patent number 9,863,094
- Issue date Jan 9, 2018
- WestRock MWV, LLC
- Jiebin Pang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Web adhesive application device and adhesive application method as...
- Patent number 9,833,966
- Issue date Dec 5, 2017
- Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd.
- Kazuhito Ohira
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
THERMAL PAPER, AND METHODS AND SYSTEMS FOR FORMING THE SAME
- Publication number 20240399778
- Publication date Dec 5, 2024
- G13 Innovation in Production Ltd
- Iakov GOZMAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DISSOLVABLE NANOCELLULOSE SHEET
- Publication number 20240384470
- Publication date Nov 21, 2024
- Berkley Medical Resources, Inc.
- Domenic TOMMARELLO
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
A YANKEE DRYING CYLINDER AND A TISSUE PAPER MAKING MACHINE
- Publication number 20240011222
- Publication date Jan 11, 2024
- Valmet Aktiebolag
- Ola Jonsson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
SMOKING ROLLING PAPER AND A METHOD FOR PACKAGING THE SAME
- Publication number 20230354883
- Publication date Nov 9, 2023
- Keren Cruz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PREPARATION METHOD OF HEAT-NOT-BURN CIGARETTE PAPER WITH BORON NITR...
- Publication number 20230265615
- Publication date Aug 24, 2023
- Zhejiang University
- Qinghua ZHANG
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
BARRIER RECYCLED PAPERBOARD AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20230175206
- Publication date Jun 8, 2023
- WestRock MWV, LLC
- Terry L. CLARK
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COATED PAPER SUBSTRATE SUITABLE FOR METALLIZATION
- Publication number 20230131438
- Publication date Apr 27, 2023
- STORA ENSO OYJ
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Water-dispersible composite structure and method of producing the same
- Publication number 20230074973
- Publication date Mar 9, 2023
- Paptic Oy
- Karita Kinnunen-Raudaskoski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TISSUE PAPER
- Publication number 20220372710
- Publication date Nov 24, 2022
- DAIO PAPER CORPORATION
- Shuta YASUI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
APPARATUS AND METHOD FOR COATING WEBS OF MATERIAL OR SHEETS OF MATE...
- Publication number 20220226857
- Publication date Jul 21, 2022
- Toss GmbH & Co., KG Verpackungssysteme
- Ramon TOSS
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
FORMULATION FOR SIZE PRESS APPLICATIONS
- Publication number 20220205185
- Publication date Jun 30, 2022
- ECOLAB USA INC.
- David J. Castro
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TOTAL HEAT EXCHANGING ELEMENT PAPER AND TOTAL HEAT EXCHANGING ELEMENT
- Publication number 20220128321
- Publication date Apr 28, 2022
- MITSUBISHI PAPER MILLS LIMITED
- Kengo YAMANE
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
LIQUID APPLYING APPARATUS FOR FIBER PRODUCTS
- Publication number 20220081838
- Publication date Mar 17, 2022
- CHAN LI MACHINERY CO., LTD.
- TUNG-I TSAI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Engineered Corn Husk Compositions And Methods
- Publication number 20220034028
- Publication date Feb 3, 2022
- DW Specialized Products & Services, Inc.
- David John Wengierski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HOT-PRESS GAS GRAFTING HYDROPHOBIZATION APPARATUS, AND ECO-FRIENDLY...
- Publication number 20210381171
- Publication date Dec 9, 2021
- KNU-Industry Cooperation Foundation
- Myoung Ku LEE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD FOR THE PRODUCTION OF A COATED PAPER, PAPERBOARD OR FILM A...
- Publication number 20210363701
- Publication date Nov 25, 2021
- STORA ENSO OYJ
- Isto Heiskanen
- B32 - LAYERED PRODUCTS
Information Patent Application
Water-dispersible composite structure and method of producing the same
- Publication number 20210310196
- Publication date Oct 7, 2021
- Paptic Oy
- Karita Kinnunen-Raudaskoski
- 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
DEVICE FOR APPLYING A TREATMENT SUBSTANCE
- Publication number 20210189660
- Publication date Jun 24, 2021
- Andritz Kusters GmbH
- Eduard Davydenko
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BARRIER LAMINATE WITH EXCELLENT BARRIER PROPERTIES AGAINST MOISTURE...
- Publication number 20200291580
- Publication date Sep 17, 2020
- HANSOL PAPER CO., LTD.
- Ha Yoon JUNG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
OIL AND GREASE RESISTANT PAPERBOARD
- Publication number 20200109517
- Publication date Apr 9, 2020
- WestRock MWV, LLC
- Jiebin PANG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LOW BASIS WEIGHT INKJET PRINTABLE SUBSTRATES WITH LOWER SHOWTHROUGH...
- Publication number 20200094604
- Publication date Mar 26, 2020
- International Paper Company
- KAPIL M. SINGH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS FOR THE IN-SITU ADJUSTMEN OF ION CONCENTRATIONS DURING THE...
- Publication number 20190316297
- Publication date Oct 17, 2019
- Fernando Henrique-Pescatori Silva
- G01 - MEASURING TESTING
Information Patent Application
OIL AND GREASE RESISTANT PAPERBOARD
- Publication number 20190161914
- Publication date May 30, 2019
- WestRock MWV, LLC
- Jiebin PANG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PRODUCING A FLAKED THERMAL-INSULATING AND/OR ACOUSTIC-I...
- Publication number 20190145051
- Publication date May 16, 2019
- Davide CONTU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PATTERNED TISSUE PRODUCT
- Publication number 20190133385
- Publication date May 9, 2019
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
TEXTURED SUBTRACTIVE PATTERNING
- Publication number 20180216298
- Publication date Aug 2, 2018
- Kimberly-Clark Worldwide, Inc.
- Kevin Joseph Vogt
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
MONITORING APPLICATOR RODS
- Publication number 20170275824
- Publication date Sep 28, 2017
- International Paper Company
- Kerry D. Figiel
- G01 - MEASURING TESTING
Information Patent Application
Coated paper having a coating structure with controlled distributio...
- Publication number 20150110961
- Publication date Apr 23, 2015
- LG ELECTRONICS INC.
- Kyoungsoo Moon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Formulation for size press applications

Method for the production of a coated paper, paperboard or film and...

Preparation method of heat-not-burn cigarette paper with boron nitr...

Thermal paper, and methods and systems for forming the same

Hot-press gas grafting hydrophobization apparatus, and eco-friendly...

Water-dispersible composite structure and method of producing the same

Fire resistant retail product packaging materials and method of man...

Device for applying a treatment substance

Liquid applying apparatus for fiber products

Water-dispersible composite structure and method of producing the same

Method and apparatus for coating on baggy web

Surface treatment composition

Oil and grease resistant paperboard

Barrier laminate with excellent barrier properties against moisture...

Fibrous product

Cationic surface sizing agent

Process for manufacturing an improved web material by the in-situ m...

Process for the in-situ adjustmen of ion concentrations during the...

Fluorescent whitening agents and mixtures thereof

Process for producing a flaked thermal-insulating and/or acoustic-i...

Surface treatment composition

Oil and grease resistant paperboard

Monitoring applicator rods

Monitoring applicator rods and applicator rod nips

Texture subtractive patterning

Printable compostable paperboard

Separated treatment of paper substrate with multivalent metal salts...

Video display apparatus and operating method thereof

Printable compostable paperboard

Web adhesive application device and adhesive application method as...

Patents Applicationslast 30 patents

THERMAL PAPER, AND METHODS AND SYSTEMS FOR FORMING THE SAME

DISSOLVABLE NANOCELLULOSE SHEET

A YANKEE DRYING CYLINDER AND A TISSUE PAPER MAKING MACHINE

NITROCELLULOSE PAPERS AND METHODS OF PRODUCTION AND USE

SMOKING ROLLING PAPER AND A METHOD FOR PACKAGING THE SAME

PREPARATION METHOD OF HEAT-NOT-BURN CIGARETTE PAPER WITH BORON NITR...

BARRIER RECYCLED PAPERBOARD AND METHOD FOR MANUFACTURING THEREOF

COATED PAPER SUBSTRATE SUITABLE FOR METALLIZATION

Water-dispersible composite structure and method of producing the same

TISSUE PAPER

APPARATUS AND METHOD FOR COATING WEBS OF MATERIAL OR SHEETS OF MATE...

FORMULATION FOR SIZE PRESS APPLICATIONS

TOTAL HEAT EXCHANGING ELEMENT PAPER AND TOTAL HEAT EXCHANGING ELEMENT

LIQUID APPLYING APPARATUS FOR FIBER PRODUCTS

Engineered Corn Husk Compositions And Methods

HOT-PRESS GAS GRAFTING HYDROPHOBIZATION APPARATUS, AND ECO-FRIENDLY...

A METHOD FOR THE PRODUCTION OF A COATED PAPER, PAPERBOARD OR FILM A...

Water-dispersible composite structure and method of producing the same

FIBROUS PRODUCT

DEVICE FOR APPLYING A TREATMENT SUBSTANCE

BARRIER LAMINATE WITH EXCELLENT BARRIER PROPERTIES AGAINST MOISTURE...

OIL AND GREASE RESISTANT PAPERBOARD

LOW BASIS WEIGHT INKJET PRINTABLE SUBSTRATES WITH LOWER SHOWTHROUGH...

PROCESS FOR THE IN-SITU ADJUSTMEN OF ION CONCENTRATIONS DURING THE...

OIL AND GREASE RESISTANT PAPERBOARD

PROCESS FOR PRODUCING A FLAKED THERMAL-INSULATING AND/OR ACOUSTIC-I...

PATTERNED TISSUE PRODUCT

TEXTURED SUBTRACTIVE PATTERNING

MONITORING APPLICATOR RODS

Coated paper having a coating structure with controlled distributio...