Multistep processes Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group

Industry

CPC
D21H23/70

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Parent Industries

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

D21H23/70Multistep processes Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group

Industries

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Patents Grantslast 30 patents

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
Compositions and methods for pretreating substrates for the subsequ...
- Patent number 11,827,806
- Issue date Nov 28, 2023
- EXCOR Korrosionsforschung GmbH
- Georg Reinhard
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for manufacturing a packaging material and a packaging mater...
- Patent number 11,479,917
- Issue date Oct 25, 2022
- Stora Enso Oyj
- Nina Miikki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper with water repellent and partially heat sealing properties
- Patent number 10,876,256
- Issue date Dec 29, 2020
- Topchim NV
- Jan-Pieter Luyten
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Conveyor for web
- Patent number 10,246,286
- Issue date Apr 2, 2019
- VITS TECHNOLOGY GMBH
- Willi Erkelenz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of a coated substance comprising cellulo...
- Patent number 10,138,599
- Issue date Nov 27, 2018
- Stora Enso Oyj
- Christian Aulin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Honeycomb core having a high compression strength
- Patent number 9,976,258
- Issue date May 22, 2018
- E I du Pont de Nemours and Company
- Mikhail R Levit
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Online treated sealable and peelable medical paper for medical ster...
- Patent number 9,758,931
- Issue date Sep 12, 2017
- Mondi AG
- Agnes Jolly
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for coating a paper web
- Patent number 9,644,321
- Issue date May 9, 2017
- VITS TECHNOLOGY GMBH
- Peter Hauer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing decorative paper and decorative laminate compri...
- Patent number 9,567,713
- Issue date Feb 14, 2017
- MUNKSJO ARCHES
- Claude Perrin
- B44 - DECORATIVE ARTS
Information Patent Grant
Device and method for cutting to size coated decorative paper web s...
- Patent number 9,512,571
- Issue date Dec 6, 2016
- Surteco Decor GmbH
- Knut Zinnaecker
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Printable sheet that is ultra-smooth and recyclable, and its method...
- Patent number 9,416,495
- Issue date Aug 16, 2016
- Arjo Wiggins Fine Papers Limited
- Gael Depres
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing coated paper
- Patent number 8,603,298
- Issue date Dec 10, 2013
- Daio Paper Corporation
- Akira Nomura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for surface colouration of paper
- Patent number 8,012,221
- Issue date Sep 6, 2011
- BASF SE
- Charles Hunger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing an inkjet recording medium
- Patent number 7,862,863
- Issue date Jan 4, 2011
- FUJIFILM Corporation
- Masamichi Kobayashi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus in the surface sizing of a paper or board web
- Patent number 7,540,941
- Issue date Jun 2, 2009
- Metso Paper, Inc.
- Juha Lipponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing release paper
- Patent number 6,989,076
- Issue date Jan 24, 2006
- Lohjan Paperi Oy
- Rolf Moring
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper wiping products treated with a hydrophobic additive
- Patent number 6,896,766
- Issue date May 24, 2005
- Kimberly-Clark Worldwide, Inc.
- Benjamin Sarbo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for coating moving fiber webs
- Patent number 6,895,690
- Issue date May 24, 2005
- Voith Paper Patent GmbH
- Knut Helmer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for supporting a paper and board web in finish...
- Patent number 6,733,630
- Issue date May 11, 2004
- Metso Paper, Inc.
- Rauno Rantanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for coating moving fiber webs
- Patent number 6,634,120
- Issue date Oct 21, 2003
- Voith Paper Patent GmbH
- Knut Helmer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for film coating a moving paper or board web s...
- Patent number 6,399,160
- Issue date Jun 4, 2002
- Valmet Corporation
- Johan Grön
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and device for applying a medium on a running web of material
- Patent number 6,383,337
- Issue date May 7, 2002
- Voith Sulzer Papiertechnik Patent GmbH
- Albrecht Meinecke
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for coating a moving web of paper or board
- Patent number 6,368,459
- Issue date Apr 9, 2002
- Valmet Corporation
- Jorma Kinnunen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for impregnating and coating paper
- Patent number 6,231,670
- Issue date May 15, 2001
- Vits Maschinenbau GmbH
- Siegfried Fischer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for two-side coating of a thin printing paper web containing...
- Patent number 6,190,729
- Issue date Feb 20, 2001
- Valmet Corporation
- Rauno Rantanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Assembly for a paper web coating line
- Patent number 6,123,772
- Issue date Sep 26, 2000
- Valmet Corporation
- Jorma Kinnunen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for wet-in-wet coating of a moving layer of ma...
- Patent number 6,063,192
- Issue date May 16, 2000
- Voith Sulzer Papiermaschinen GmbH
- Ingo Gottwald
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Single-sided impregnated printing paper carriers
- Patent number 6,001,490
- Issue date Dec 14, 1999
- Kammerer GmbH
- Klaus Rienacker
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Drying section apparatus
- Patent number 5,992,040
- Issue date Nov 30, 1999
- Beloit Technologies, Inc.
- Lars N. Nordang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
IMPERMEABILIZATION TREATMENT OF PAPER OR CARDBOARD AND IMPERMEABLE...
- Publication number 20240229360
- Publication date Jul 11, 2024
- QWARZO S.P.A.
- Luca PANZERI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FILTER MATERIAL FOR FOOD PACKAGING
- Publication number 20240175214
- Publication date May 30, 2024
- Andrew K. Jordan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
IMPERMEABILIZATION TREATMENT OF PAPER OR CARDBOARD AND IMPERMEABLE...
- Publication number 20240133121
- Publication date Apr 25, 2024
- QWARZO S.P.A.
- Luca PANZERI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Water Vapor Barrier Coating Composition
- Publication number 20220403203
- Publication date Dec 22, 2022
- MANTROSE-HAEUSER CO., INC.
- Stanislav E. Solovyov
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
METHOD OF MAKING DISPERSIBLE WET WIPES VIA PATTERNED BINDER APPLICA...
- Publication number 20190211487
- Publication date Jul 11, 2019
- Nathan John Vogel
- B32 - LAYERED PRODUCTS
Information Patent Application
HONEYCOMB CORE HAVING A HIGH COMPRESSION STRENGTH
- Publication number 20180155876
- Publication date Jun 7, 2018
- E I DU PONT DE NEMOURS AND COMPANY
- MIKHAIL R. LEVIT
- B32 - LAYERED PRODUCTS
Information Patent Application
CONVEYOR FOR WEB
- Publication number 20180065824
- Publication date Mar 8, 2018
- Willi ERKELENZ
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PROCESS FOR THE PRODUCTION OF A COATED SUBSTANCE COMPRISING CELLULO...
- Publication number 20170342661
- Publication date Nov 30, 2017
- STORA ENSO OYJ
- Christian Aulin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD FOR MANUFACTURING A PACKAGING MATERIAL AND A PACKAGING MAT...
- Publication number 20160376750
- Publication date Dec 29, 2016
- STORA ENSO OYJ
- Nina Miikki
- B32 - LAYERED PRODUCTS
Information Patent Application
HONEYCOMB CORE HAVING A HIGH COMPRESSION STRENGTH
- Publication number 20160097162
- Publication date Apr 7, 2016
- E I DU PONT DE NEMOURS AND COMPANY
- MIKHAIL R. LEVIT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR COATING A PAPER WEB
- Publication number 20150086712
- Publication date Mar 26, 2015
- Peter Hauer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PRINTABLE SHEET THAT IS ULTRA-SMOOTH AND RECYCLABLE, AND ITS METHOD...
- Publication number 20120308744
- Publication date Dec 6, 2012
- ARJO WIGGINS FINE PAPERS, LIMITED
- Gael Depres
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMPROVING THE STRENGTH OF PAPER AND BOARD PRODUCTS
- Publication number 20120055642
- Publication date Mar 8, 2012
- SINOCO CHEMICALS
- Timo Lahtinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for Producing Coated Paper and Coated Paper
- Publication number 20090324980
- Publication date Dec 31, 2009
- Daio Paper Corporation
- Tadahiro Matsushima
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of Manufacturing Coated Paper
- Publication number 20090151883
- Publication date Jun 18, 2009
- DAIO PAPER CORPORATION
- Akira Nomura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for Surface Colouration of Paper
- Publication number 20090133201
- Publication date May 28, 2009
- Charles Hunger
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING AN INKJET RECORDING MEDIUM
- Publication number 20090087568
- Publication date Apr 2, 2009
- FUJIFILM CORPORATION
- Masamichi KOBAYASHI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method of Producing Decorative Paper and Decorative Laminate Compri...
- Publication number 20080090032
- Publication date Apr 17, 2008
- Arjowiggins
- Claude Perrin
- B44 - DECORATIVE ARTS
Information Patent Application
METHOD FOR APPLYING A MULTIPLE LAYER DIRECTLY TO A PAPER, BOARD OR...
- Publication number 20070248763
- Publication date Oct 25, 2007
- Benjamin Mendez-Gallon
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and apparatus in the surface sizing of a paper or board web
- Publication number 20060124263
- Publication date Jun 15, 2006
- Juhu Lipponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Sizing method for board
- Publication number 20050072541
- Publication date Apr 7, 2005
- Antti Heikkinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for forming colored cellulosic materials
- Publication number 20040139566
- Publication date Jul 22, 2004
- Matthew A. Szymanski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Paper wiping products treated with a hydrophobic additive
- Publication number 20040118532
- Publication date Jun 24, 2004
- KIMBERLY-CLARK WORLDWIDE, INC.
- Benjamin Sarbo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Apparatus for coating moving fiber webs
- Publication number 20030154619
- Publication date Aug 21, 2003
- Voith Paper Patent GmbH
- Knut Helmer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and equipment for manufacturing release paper
- Publication number 20030150580
- Publication date Aug 14, 2003
- Lohjan Paperi Oy
- Rolf Moring
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method of applying treatment chemicals to fiber-based planer produc...
- Publication number 20020187269
- Publication date Dec 12, 2002
- SCA Hygiene Products Gmbh
- Andrea Urban
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Apparatus for coating moving fiber webs
- Publication number 20020133972
- Publication date Sep 26, 2002
- Knut Helmer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Multistep processes Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

Compositions and methods for pretreating substrates for the subsequ...

Method for manufacturing a packaging material and a packaging mater...

Paper with water repellent and partially heat sealing properties

Conveyor for web

Process for the production of a coated substance comprising cellulo...

Honeycomb core having a high compression strength

Online treated sealable and peelable medical paper for medical ster...

Method for coating a paper web

Method of producing decorative paper and decorative laminate compri...

Device and method for cutting to size coated decorative paper web s...

Printable sheet that is ultra-smooth and recyclable, and its method...

Method of manufacturing coated paper

Process for surface colouration of paper

Method for manufacturing an inkjet recording medium

Method and apparatus in the surface sizing of a paper or board web

Method for manufacturing release paper

Paper wiping products treated with a hydrophobic additive

Apparatus for coating moving fiber webs

Method and apparatus for supporting a paper and board web in finish...

Apparatus for coating moving fiber webs

Method and apparatus for film coating a moving paper or board web s...

Method and device for applying a medium on a running web of material

Method and apparatus for coating a moving web of paper or board

Apparatus for impregnating and coating paper

Method for two-side coating of a thin printing paper web containing...

Assembly for a paper web coating line

Method and apparatus for wet-in-wet coating of a moving layer of ma...

Single-sided impregnated printing paper carriers

Drying section apparatus

Patents Applicationslast 30 patents

IMPERMEABILIZATION TREATMENT OF PAPER OR CARDBOARD AND IMPERMEABLE...

FILTER MATERIAL FOR FOOD PACKAGING

IMPERMEABILIZATION TREATMENT OF PAPER OR CARDBOARD AND IMPERMEABLE...

Water Vapor Barrier Coating Composition

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

METHOD OF MAKING DISPERSIBLE WET WIPES VIA PATTERNED BINDER APPLICA...

HONEYCOMB CORE HAVING A HIGH COMPRESSION STRENGTH

CONVEYOR FOR WEB

PROCESS FOR THE PRODUCTION OF A COATED SUBSTANCE COMPRISING CELLULO...

A METHOD FOR MANUFACTURING A PACKAGING MATERIAL AND A PACKAGING MAT...

HONEYCOMB CORE HAVING A HIGH COMPRESSION STRENGTH

METHOD FOR COATING A PAPER WEB

PRINTABLE SHEET THAT IS ULTRA-SMOOTH AND RECYCLABLE, AND ITS METHOD...

IMPROVING THE STRENGTH OF PAPER AND BOARD PRODUCTS

Process for Producing Coated Paper and Coated Paper

Method of Manufacturing Coated Paper

Process for Surface Colouration of Paper

METHOD FOR MANUFACTURING AN INKJET RECORDING MEDIUM

Method of Producing Decorative Paper and Decorative Laminate Compri...

METHOD FOR APPLYING A MULTIPLE LAYER DIRECTLY TO A PAPER, BOARD OR...

Method and apparatus in the surface sizing of a paper or board web

Sizing method for board

Method for forming colored cellulosic materials

Paper wiping products treated with a hydrophobic additive

Apparatus for coating moving fiber webs

Method and equipment for manufacturing release paper

Method of applying treatment chemicals to fiber-based planer produc...

Apparatus for coating moving fiber webs