Plural serial stages only

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CPC
D21H23/72

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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

D21H23/72Plural serial stages only

Industries

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Patents Grantslast 30 patents

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
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
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
Hydrolytic sheet and method for manufacturing hydrolytic sheet
- Patent number 11,155,966
- Issue date Oct 26, 2021
- DAIO PAPER CORPORATION
- Kosuke Yamazaki
- 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
Methods for treating paperboards and paper media, and associated tr...
- Patent number 10,487,453
- Issue date Nov 26, 2019
- BASF SE
- Daniel Niedzwiecki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
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
Oil, grease, and moisture resistant paperboard
- Patent number 9,771,688
- Issue date Sep 26, 2017
- WestRock MWV, LLC
- Jiebin Pang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compostable paperboard with oil, grease, and moisture resistance
- Patent number 9,670,621
- Issue date Jun 6, 2017
- WestRock MWV, LLC
- Jiebin Pang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Method of preparing a treated article and treated article formed th...
- Patent number 9,499,943
- Issue date Nov 22, 2016
- AGC Chemicals Americas, Inc.
- Michael J. Sanchez
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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 preparing a treated article and treated article formed th...
- Patent number 9,133,584
- Issue date Sep 15, 2015
- AGC Chemicals Americas, Inc.
- Michael J. Sanchez
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing a resin-impregnated decorative paper, and...
- Patent number 9,091,025
- Issue date Jul 28, 2015
- Trespa International B.V.
- Hendrikus Hubertus Gerardus Voncken
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Machine for making/treating a sheet of material
- Patent number 7,540,940
- Issue date Jun 2, 2009
- Voith Paper Patent GmbH
- Richard Aust
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing coated paper with reduced gloss mottle
- Patent number 7,504,002
- Issue date Mar 17, 2009
- NewPage Corporation
- Gregg Lee Brelsford
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Machine for producing and treating a sheet of material
- Patent number 7,399,381
- Issue date Jul 15, 2008
- Voith Paper Patent GmbH
- Richard Aust
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and method for two sided sheet treating
- Patent number 6,896,971
- Issue date May 24, 2005
- Premark RWP Holdings, INC.
- Joel Lane Williams
- B44 - DECORATIVE ARTS
Information Patent Grant
Method and device for single-or double-sided application
- Patent number 6,893,682
- Issue date May 17, 2005
- Voith Paper Patent GmbH
- Gunter Halmschlager
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and method for two sided sheet treating
- Patent number 6,887,584
- Issue date May 3, 2005
- Premark RWP Holdings, INC.
- Joel Lane Williams
- B44 - DECORATIVE ARTS
Information Patent Grant
Method for coating webs
- Patent number 6,773,550
- Issue date Aug 10, 2004
- M-real Oyj
- Stina Nygärd
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for applying a liquid additive to both sides of a tissue web
- Patent number 6,761,800
- Issue date Jul 13, 2004
- Kimberly-Clark Worldwide, Inc.
- Joseph G. Capizzi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Formation of oriented multilayer polymeric films
- Patent number 6,680,084
- Issue date Jan 20, 2004
- Simex Technologies Inc.
- Halim Chtourou
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and method for two sided sheet treating
- Patent number 6,610,358
- Issue date Aug 26, 2003
- Premark RWP Holdings, INC.
- Joel Lane Williams
- B44 - DECORATIVE ARTS
Information Patent Grant
Method and apparatus to produce paper webs coated on both sides
- Patent number 6,599,395
- Issue date Jul 29, 2003
- Voith Sulzer Papiermaschinen GmbH
- Hans-Jürgen Wulz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for applying abrasive substances to continuous paper webs
- Patent number 6,471,776
- Issue date Oct 29, 2002
- Vits Maschinenbau GmbH
- Gisbert Krossa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper coating apparatus and method for coating paper
- Patent number 6,461,671
- Issue date Oct 8, 2002
- Valmet Corporation
- Jorma Kinnune
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for preparing base paper for fine paper
- Patent number 6,406,592
- Issue date Jun 18, 2002
- M-real Oyj
- Markku Leskelä
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 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
WATER-BASED COATINGS FOR CELLULOSIC SUBSTRATES
- Publication number 20240218600
- Publication date Jul 4, 2024
- SUN CHEMICAL CORPORATION
- Yongping Zha
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NEW SUBSTRATE
- Publication number 20240191433
- Publication date Jun 13, 2024
- Billerud Aktiebolag (publ)
- Olivia Markbo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CARBON SHEET, METHOD FOR MANUFACTURING SAME, GAS DIFFUSION ELECTROD...
- Publication number 20240186552
- Publication date Jun 6, 2024
- TORAY INDUSTRIES, INC.
- Tadataka WATANABE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AQUEOUS BARRIER COATINGS AND METHODS OF IMPROVING BARRIER PROPERTIE...
- Publication number 20240183111
- Publication date Jun 6, 2024
- Solenis Technologies, L.P.
- Yannick Evrard
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
PROCESSES FOR IMPARTING OIL AND GREASE RESISTANCE TO PAPER PRODUCTS
- Publication number 20240133120
- Publication date Apr 25, 2024
- ECOLAB USA INC.
- William C. Johnson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR CONTROLLING DECOMPOSITION OF CORROSION-RESISTANT PAPER
- Publication number 20240026610
- Publication date Jan 25, 2024
- NIPPON BEET SUGAR MANUFACTURING CO., LTD.
- Takuya NAKAGAWA
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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
- Publication number 20230366152
- Publication date Nov 16, 2023
- PA KNOWLEDGE LIMITED
- Rodney Edward SMITH
- 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
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
HYDROLYTIC SHEET AND METHOD FOR MANUFACTURING HYDROLYTIC SHEET
- Publication number 20210148053
- Publication date May 20, 2021
- Daio Paper Corporation
- Kosuke YAMAZAKI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for manufacturing a multi-layered paperboard, multi-layered...
- Publication number 20210002830
- Publication date Jan 7, 2021
- KEMIRA OYJ
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS
- Publication number 20200165780
- Publication date May 28, 2020
- SEIKO EPSON CORPORATION
- Tetsuya AOYAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
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
MANUFACTURING PROCESS OF CONTAINER LABELS WITH HEAT TRANSFER TECHNO...
- Publication number 20190023444
- Publication date Jan 24, 2019
- TECHNOPACK INDUSTRIA COMERCIO CONSULTORIA E REPRESENTACOES LTDA.
- Patricia Ullmann Duarte Antoniuk
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
METHODS FOR TREATING PAPERBOARDS AND PAPER MEDIA, AND ASSOCIATED TR...
- Publication number 20180298557
- Publication date Oct 18, 2018
- BASF SE
- Daniel Niedzwiecki
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
MANUFACTURING PROCESS OF PACKING LABELS WITH HEAT TRANSFER TECHNOLO...
- Publication number 20170259557
- Publication date Sep 14, 2017
- TECHNOPACK INDÚSTRIA COMÉRCIO CONSULTORIA E REPRESENTAÇÕES LTDA.
- Patricia Ullmann Duarte Antoniuk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MANUFACTURING PROCESS OF PACKING LABELS WITH HEAT TRANSFER TECHNOLO...
- Publication number 20170253021
- Publication date Sep 7, 2017
- TECHNOPACK INDÚSTRIA COMÉRCIO CONSULTORIA E REPRESENTAÇÕES LTDA.
- Patricia Ullmann Duarte Antoniuk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MANUFACTURING PROCESS OF PACKING LABELS WITH HEAT TRANSFER TECHNOLO...
- Publication number 20170036438
- Publication date Feb 9, 2017
- TECHNOPACK INDÚSTRIA COMÉRCIO CONSULTORIA E REPRESENTAÇÕES LTDA.
- Patricia Ullmann Duarte Antoniuk
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OIL, GREASE, AND MOISTURE RESISTANT PAPERBOARD
- Publication number 20160230343
- Publication date Aug 11, 2016
- WestRock MWV, LLC
- Jiebin PANG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
DEVICE AND METHOD FOR CUTTING TO SIZE COATED DECORATIVE PAPER WEB S...
- Publication number 20150376839
- Publication date Dec 31, 2015
- Surteco Decor GmbH
- Knut Zinnaecker
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Method Of Preparing A Treated Article And Treated Article Formed Th...
- Publication number 20140290883
- Publication date Oct 2, 2014
- Michael J. Sanchez
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD OF PREPARING A TREATED ARTICLE AND TREATED ARTICLE FORMED TH...
- Publication number 20130180678
- Publication date Jul 18, 2013
- Michael J. Sanchez
- B32 - LAYERED PRODUCTS
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
METHOD FOR MANUFACTURING A RESIN-IMPREGNATED DECORATIVE PAPER, AND...
- Publication number 20120114918
- Publication date May 10, 2012
- Hendrikus Hubertus Gerardus Voncken
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COATED PAPER OR BOARD PRODUCT AND PROCESS FOR THE PREPARATION THEREOF
- Publication number 20100009168
- Publication date Jan 14, 2010
- Vuorimiehentie 3
- Jaakko Raukola
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Plural serial stages only

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Fiber body forming method and fiber body forming apparatus

Method for manufacturing a multi-layered paperboard, multi-layered...

Fiber body forming method and fiber body forming apparatus

Oil and grease resistant paperboard

Hydrolytic sheet and method for manufacturing hydrolytic sheet

Oil and grease resistant paperboard

Methods for treating paperboards and paper media, and associated tr...

Printable compostable paperboard

Printable compostable paperboard

Oil, grease, and moisture resistant paperboard

Compostable paperboard with oil, grease, and moisture resistance

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

Method of preparing a treated article and treated article formed th...

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

Method of preparing a treated article and treated article formed th...

Method for manufacturing a resin-impregnated decorative paper, and...

Machine for making/treating a sheet of material

Method of producing coated paper with reduced gloss mottle

Machine for producing and treating a sheet of material

System and method for two sided sheet treating

Method and device for single-or double-sided application

System and method for two sided sheet treating

Method for coating webs

Process for applying a liquid additive to both sides of a tissue web

Formation of oriented multilayer polymeric films

System and method for two sided sheet treating

Method and apparatus to produce paper webs coated on both sides

Apparatus for applying abrasive substances to continuous paper webs

Paper coating apparatus and method for coating paper

Process for preparing base paper for fine paper

Patents Applicationslast 30 patents

METHOD FOR PRODUCING DECORATIVE PAPER

PROCESSING CONVENTIONAL PAPERS AND PULPS INTO HYDROPHOBIC AND WATER...

WATER-BASED COATINGS FOR CELLULOSIC SUBSTRATES

NEW SUBSTRATE

CARBON SHEET, METHOD FOR MANUFACTURING SAME, GAS DIFFUSION ELECTROD...

AQUEOUS BARRIER COATINGS AND METHODS OF IMPROVING BARRIER PROPERTIE...

A METHOD FOR COATING A HOLLOW CONTAINER COMPRISING MOLDED PULP

PROCESSES FOR IMPARTING OIL AND GREASE RESISTANCE TO PAPER PRODUCTS

METHOD FOR CONTROLLING DECOMPOSITION OF CORROSION-RESISTANT PAPER

BARRIER FILM FOR PACKAGING MATERIAL

METHOD

A PACKAGING MATERIAL FOR PACKAGING OF LIQUID AND FOOD

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

HYDROLYTIC SHEET AND METHOD FOR MANUFACTURING HYDROLYTIC SHEET

Method for manufacturing a multi-layered paperboard, multi-layered...

FIBER BODY FORMING METHOD AND FIBER BODY FORMING APPARATUS

OIL AND GREASE RESISTANT PAPERBOARD

OIL AND GREASE RESISTANT PAPERBOARD

MANUFACTURING PROCESS OF CONTAINER LABELS WITH HEAT TRANSFER TECHNO...

METHODS FOR TREATING PAPERBOARDS AND PAPER MEDIA, AND ASSOCIATED TR...

MANUFACTURING PROCESS OF PACKING LABELS WITH HEAT TRANSFER TECHNOLO...

MANUFACTURING PROCESS OF PACKING LABELS WITH HEAT TRANSFER TECHNOLO...

MANUFACTURING PROCESS OF PACKING LABELS WITH HEAT TRANSFER TECHNOLO...

OIL, GREASE, AND MOISTURE RESISTANT PAPERBOARD

DEVICE AND METHOD FOR CUTTING TO SIZE COATED DECORATIVE PAPER WEB S...

Method Of Preparing A Treated Article And Treated Article Formed Th...

METHOD OF PREPARING A TREATED ARTICLE AND TREATED ARTICLE FORMED TH...

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

METHOD FOR MANUFACTURING A RESIN-IMPREGNATED DECORATIVE PAPER, AND...

COATED PAPER OR BOARD PRODUCT AND PROCESS FOR THE PREPARATION THEREOF