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two superposed coatings, both being non-pigmented
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D21H19/824
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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
D21H19/00
Coated paper Coating material
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D21H19/824
two superposed coatings, both being non-pigmented
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last 30 patents
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Multi-metal layer WVTR barrier products on water vapour and oxygen...
Patent number
12,152,344
Issue date
Nov 26, 2024
AR METALLIZING N.V.
Valeria Rasetto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of modifying polymer barrier films
Patent number
12,116,730
Issue date
Oct 15, 2024
Chemstone, Inc.
Jonathan Spender
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Barrier layer for cellulose substrate
Patent number
12,071,726
Issue date
Aug 27, 2024
Papacks Sales GmbH
Tahsin Dag
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Heat sealable packaging material comprising microfibrillated cellul...
Patent number
11,999,132
Issue date
Jun 4, 2024
Stora Enso Oyj
Kaj Backfolk
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Foldable paper-based substrates coated with water-based coatings an...
Patent number
11,952,719
Issue date
Apr 9, 2024
Cascades Sonoco Inc.
Yvon Mongrain
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Patent Grant
Method for manufacturing thermoplastic poly(vinyl alcohol) derivati...
Patent number
11,897,974
Issue date
Feb 13, 2024
UPM-Kymmene Corporation
Kuisma Littunen
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Environmentally-friendly heat sealable aqueous barrier coating for...
Patent number
11,879,214
Issue date
Jan 23, 2024
ACTEGA NORTH AMERICA, INC.
Anshyang Lin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Biodegradable food-grade PVA paper substrate and method for making...
Patent number
11,866,886
Issue date
Jan 9, 2024
BE RICH LIMITED
Hsien-Jen Lin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Heat sealable paper-based substrate coated with water-based coating...
Patent number
11,851,821
Issue date
Dec 26, 2023
Cascades Sonoco Inc.
Yvon Mongrain
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Base paper for eco-friendly paper cups
Patent number
11,840,807
Issue date
Dec 12, 2023
Hankuk Paper Mfg. Co., Ltd.
Ik-Sun Choi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Multilayer paperboard pouch and method of making the same using con...
Patent number
11,827,397
Issue date
Nov 28, 2023
EVERGREEN PACKAGING LLC
Geoffrey Nobes
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Methods of producing biodegradable and recyclable barrier paper lam...
Patent number
11,821,142
Issue date
Nov 21, 2023
The Procter & Gamble Company
Emily Charlotte Boswell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Manufacturing process of intermittent coating release paper
Patent number
11,814,796
Issue date
Nov 14, 2023
Foshan XinFei Hygiene Materials Co., Ltd.
Fanfei Mu
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Patent Grant
Toilet tissue comprising a dynamic surface
Patent number
11,591,752
Issue date
Feb 28, 2023
The Procter & Gamble Company
Matthew Gary McKee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Cellulose-silicon oxide composite superhydrophobic material and pre...
Patent number
11,466,406
Issue date
Oct 11, 2022
GuangXi University
Chongxing Huang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Method for manufacturing biodegradable packaging material, biodegra...
Patent number
11,434,605
Issue date
Sep 6, 2022
Stora Enso Oyj
Kimmo Nevalainen
B32 - LAYERED PRODUCTS
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Patent Grant
Heat-sealable barrier paper
Patent number
11,371,189
Issue date
Jun 28, 2022
Mitsubishi HiTec Paper Europe GmbH
Lena-Maria Grundl
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Release-paper base paper and method for producing same, and release...
Patent number
11,352,751
Issue date
Jun 7, 2022
Kuraray Co., Ltd.
Keisuke Morikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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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
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Patent Grant
Laminate
Patent number
11,065,850
Issue date
Jul 20, 2021
Oji Holdings Corporation
Hirokazu Sunagawa
B32 - LAYERED PRODUCTS
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Patent Grant
Microfibrillated film
Patent number
10,927,504
Issue date
Feb 23, 2021
Stora Enso Oyj
Kaj Backfolk
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Paper barrier material
Patent number
10,882,676
Issue date
Jan 5, 2021
Nippon Paper Industries Co., Ltd.
Masashi Okamoto
B32 - LAYERED PRODUCTS
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Patent Grant
Foldable paper-based substrates coated with water-based coatings an...
Patent number
10,829,894
Issue date
Nov 10, 2020
Cascades Sonoco Inc.
Yvon Mongrain
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Patent Grant
Method for manufacturing biodegradable packaging material, biodegra...
Patent number
10,167,594
Issue date
Jan 1, 2019
Stora Enso Oyj
Kimmo Nevalainen
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Patent Grant
High light-transmittance fiber glass surface paper and preparation...
Patent number
10,106,931
Issue date
Oct 23, 2018
CHINA TOBACCO YUNNAN INDUSTRIAL CO. LTD.
Zhenhua Yu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Heat-sealable biodegradable packaging material, a package or a cont...
Patent number
10,081,168
Issue date
Sep 25, 2018
Stora Enso Oyj
Kimmo Nevalainen
B32 - LAYERED PRODUCTS
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Patent Grant
Coating method
Patent number
9,986,757
Issue date
Jun 5, 2018
Tannpapier GmbH
Guenter Griesmayr
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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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
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Patent Grant
Packaging board, its use and products made thereof
Patent number
9,944,425
Issue date
Apr 17, 2018
Stora Enso Oyj
Jari Räsänen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Heat-sealable biodegradable packaging material, a method for its ma...
Patent number
9,181,010
Issue date
Nov 10, 2015
Stora Enso Oyj
Tapani Penttinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
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Patent Application
LOW OPACITY PAPER PACKAGING MATERIAL
Publication number
20240401280
Publication date
Dec 5, 2024
Neenah Gessner GmbH
Armin Niederhuber
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FLAME-PROOF CORRUGATED PAPERBOARD AND METHOD FOR PRODUCING SAME
Publication number
20240360627
Publication date
Oct 31, 2024
RENGO CO., LTD.
Aya KINUGAWA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
STABLE BIODEGRADABLE RECEPTACLE
Publication number
20240270467
Publication date
Aug 15, 2024
Papacks Sales GmbH
Tahsin Dag
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Compostable Packaging Material
Publication number
20240218601
Publication date
Jul 4, 2024
Neenah Gessner GmbH
Armin Niederhuber
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SEQUENTIAL APPLICATION OF LAYERS, COMPRISING NANOCELLULOSE, ONTO TH...
Publication number
20240167225
Publication date
May 23, 2024
FiberLean Technologies Limited
Thomas REEVE-LARSON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LAMINATE AND ROLL
Publication number
20240150966
Publication date
May 9, 2024
TOPPAN INC.
Yumiko KOJIMA
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR MANUFACTURING THERMOPLASTIC POLY(VINYL ALCOHOL) DERIVATI...
Publication number
20240124620
Publication date
Apr 18, 2024
UPM-Kymmene Corporation
Kuisma Littunen
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
AQUEOUS ETHYL CELLULOSE DISPERSION
Publication number
20240084511
Publication date
Mar 14, 2024
KEMIRA OYJ
Jaakko Hiltunen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
COATED PAPERBOARD FOR BEVERAGE CONTAINER CARRIERS AND CORRESPONDING...
Publication number
20240010405
Publication date
Jan 11, 2024
STORA ENSO OYJ
Carl-Henrik Ljungqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BARRIER PAPER OR BOARD
Publication number
20230313466
Publication date
Oct 5, 2023
SAPPI NETHERLANDS SERVICES B.V.
Gustavo DUARTE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
LAMINATE AND FOOD PACKAGING MATERIAL
Publication number
20230295876
Publication date
Sep 21, 2023
Mitsui Chemicals, Inc.
Shirou HONMA
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MANUFACTURING PROCEDURE FOR A DECORATIVE FOIL
Publication number
20230243092
Publication date
Aug 3, 2023
TRANSFORMAD, SAU
Carles MENÉNDEZ CLARET
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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
BIODEGRADABLE FOOD-GRADE PVA PAPER SUBSTRATE AND METHOD FOR MAKING...
Publication number
20230130321
Publication date
Apr 27, 2023
Be Rich Limited
Hsien-Jen LIN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BARRIER PAPER, CONTAINER AND LID MEMBER CONTAINING SAID BARRIER PAP...
Publication number
20230068867
Publication date
Mar 2, 2023
DAI NIPPON PRINTING CO., LTD.
Shozo Yuki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Heat Sealable Paper-Based Substrate Coated with Water-Based Coating...
Publication number
20230012879
Publication date
Jan 19, 2023
CASCADES SONOCO INC.
Yvon Mongrain
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MULTILAYER PAPERBOARD POUCH AND METHOD OF MAKING THE SAME USING CON...
Publication number
20220402636
Publication date
Dec 22, 2022
Pactiv Evergreen Inc.
Geoffrey Nobes
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MFC SUBSTRATE WITH ENHANCED WATER VAPOUR BARRIER
Publication number
20220389658
Publication date
Dec 8, 2022
STORA ENSO OYJ
Isto Heiskanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
HIGH BARRIER PAPERBOARD AND PAPERBOARD CONTAINERS
Publication number
20220372709
Publication date
Nov 24, 2022
WestRock MWV, LLC
Jiebin Pang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Application
MANUFACTURING PROCESS OF INTERMITTENT COATING RELEASE PAPER
Publication number
20220349126
Publication date
Nov 3, 2022
Foshan XinFei Hygiene Materials Co., Ltd.
Fanfei MU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Coated Film For Laminating Substrates Made From Biodegradable Mater...
Publication number
20220333309
Publication date
Oct 20, 2022
CELANESE INTERNATIONAL CORPORATION
Ramune Shepherd
B32 - LAYERED PRODUCTS
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Patent Application
A TUBE PACKAGE
Publication number
20220290377
Publication date
Sep 15, 2022
STORA ENSO OYJ
Henna Paakkonen Alvim
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Application
MULTI-METAL LAYER WVTR BARRIER PRODUCTS ON WATER VAPOUR AND OXYGEN...
Publication number
20220275582
Publication date
Sep 1, 2022
AR Metallizing N.V.
Valeria Rasetto
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
BARRIER LAYER FOR CELLULOSE SUBSTRATE
Publication number
20220259805
Publication date
Aug 18, 2022
Papacks Sales GmbH
Tahsin Dag
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Application
A METHOD FOR PRODUCING A CELLULOSE PRODUCT AND A CELLULOSE PRODUCT
Publication number
20220251785
Publication date
Aug 11, 2022
PuIPac AB
Edward Guidotti
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Patent Application
METHOD OF MODIFYING POLYMER BARRIER FILMS
Publication number
20220205184
Publication date
Jun 30, 2022
GREENTECH GLOBAL PTE. LTD.
Jonathan SPENDER
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Application
A METHOD FOR MANUFACTURING THERMOPLASTIC POLY(VINYL ALCOHOL) DERIVA...
Publication number
20220162357
Publication date
May 26, 2022
UPM-Kymmene Corporation
Kuisma Littunen
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Patent Application
METHOD OF FORMING A PAPER CONTAINER AND RELATED MATERIALS
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20220111995
Publication date
Apr 14, 2022
Dart Container Corporation
MINGYANG ZHAO
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Patent Application
METHODS OF PRODUCING BIODEGRADABLE AND RECYCLABLE BARRIER PAPER LAM...
Publication number
20220112664
Publication date
Apr 14, 2022
The Procter & Gamble Company
Emily Charlotte Boswell
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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POLYMER COATED PAPER AND PAPERBOARD
Publication number
20220002948
Publication date
Jan 6, 2022
STORA ENSO OYJ
Ville Ribu
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL