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Colorants; Pigments or opacifying agents
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CPC
D21H21/28
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Parent Industries
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
D21H21/00
Non-fibrous material added to the pulp, characterised by its function, form or properties Paper-impregnating or coating material, characterised by its function, form or properties
Current Industry
D21H21/28
Colorants; Pigments or opacifying agents
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Patents Grants
last 30 patents
Information
Patent Grant
Fiber-based food containers
Patent number
12,168,853
Issue date
Dec 17, 2024
Footprint International, LLC
Yoke Dou Chung
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Sodium alginate nanoparticles integrated with anthocyanidin biomole...
Patent number
12,162,303
Issue date
Dec 10, 2024
KING FAISAL UNIVERSITY
Mai Mostafa Khalaf Ali
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Methods and apparatus for manufacturing fiber-based produce containers
Patent number
12,163,290
Issue date
Dec 10, 2024
Footprint International, LLC
Yoke Dou Chung
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Treated titanium dioxide pigment, process of making thereof and use...
Patent number
12,110,634
Issue date
Oct 8, 2024
Tronox LLC
Robert McIntyre
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Use of additives containing primary alkanolamines in aqueous minera...
Patent number
12,084,589
Issue date
Sep 10, 2024
Omya International AG
Matthias Buri
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Methods and apparatus for manufacturing fiber-based produce containers
Patent number
12,071,727
Issue date
Aug 27, 2024
Footprint International, LLC
Yoke Dou Chung
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method for preparing a compound comprising at least one imine funct...
Patent number
12,037,746
Issue date
Jul 16, 2024
Commissariat a l'Energie Atomique et Aux Energies Alternatives
Olivier Poncelet
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fibrous structures including an active agent and having a graphic p...
Patent number
11,970,821
Issue date
Apr 30, 2024
The Procter & Gamble Company
Paul Thomas Weisman
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Soft tissue produced using a structured fabric and energy efficient...
Patent number
11,959,226
Issue date
Apr 16, 2024
First Quality Tissue, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Layer sequence with colour flop effect including platelet-shaped ef...
Patent number
11,952,499
Issue date
Apr 9, 2024
HUBERGROUP ITALIA
Giuseppe Gianetti
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Preparation method and application of multifunctional intelligent c...
Patent number
11,920,305
Issue date
Mar 5, 2024
Northeast Forestry University
Lijuan Wang
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Bimodal precipitated calcium carbonate slurries suitable for paper...
Patent number
11,820,667
Issue date
Nov 21, 2023
Imertech SAS
Nigel V. Jarvis
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Soft tissue produced using a structured fabric and energy efficient...
Patent number
11,807,992
Issue date
Nov 7, 2023
First Quality Tissue, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fibrous structures including an active agent and having a graphic p...
Patent number
11,795,622
Issue date
Oct 24, 2023
The Procter & Gamble Company
Paul Thomas Weisman
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Pulp quality monitoring
Patent number
11,692,312
Issue date
Jul 4, 2023
Kemira Oyj
Marjatta Piironen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Laminate pigment with spacing properties and high UV-greying stability
Patent number
11,623,993
Issue date
Apr 11, 2023
Kronos International, Inc.
Volker Jürgens
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fibrous structures including an active agent and having a graphic p...
Patent number
11,624,156
Issue date
Apr 11, 2023
The Procter & Gamble Company
Paul Thomas Weisman
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Paper sheet mulches and methods of making the same
Patent number
11,525,086
Issue date
Dec 13, 2022
GPCP IP Holdings LLC
Paul J. Ruthven
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Oxidized microfibrillated cellulose fibers and composition thereof
Patent number
11,525,015
Issue date
Dec 13, 2022
Nippon Paper Industries Co., Ltd.
Masato Takayama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Biodegradable straws and methods of making biodegradable straws
Patent number
11,504,938
Issue date
Nov 22, 2022
Bridgette Castronovo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sheet manufacturing apparatus, control method thereof, and sheet ma...
Patent number
11,459,703
Issue date
Oct 4, 2022
Seiko Epson Corporation
Naotaka Higuchi
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method and apparatus for manufacturing natural fiber based staple f...
Patent number
11,453,961
Issue date
Sep 27, 2022
SPINNOVA OY
Johanna Liukkonen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Carboxymethylated microfibrillated cellulose fibers and composition...
Patent number
11,453,728
Issue date
Sep 27, 2022
Nippon Paper Industries Co., Ltd.
Masato Takayama
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Titanium oxide composite fibers and method for producing same
Patent number
11,390,997
Issue date
Jul 19, 2022
Nippon Paper Industries Co., Ltd.
Masatoshi Oishi
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Treated titanium dioxide pigment with high magnesium oxide addition...
Patent number
11,371,190
Issue date
Jun 28, 2022
Tronox LLC
Robert McIntyre
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fibrous structures including an active agent and having a graphic p...
Patent number
11,293,144
Issue date
Apr 5, 2022
The Procter & Gamble Company
Paul Thomas Weisman
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Sheet having improved dead-fold properties
Patent number
11,242,652
Issue date
Feb 8, 2022
Stora Enso Oyj
Isto Heiskanen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Cannabinoid containing cannabis extract infused into rolling paper
Patent number
11,234,458
Issue date
Feb 1, 2022
Digital Rarity LLC
Benjamin Kaplan
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Grant
Black coloring composition
Patent number
11,214,702
Issue date
Jan 4, 2022
STIERNON ROBERT ETS, SA
Pierre Stiernon
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for manufacturing white pigment containing products
Patent number
11,168,218
Issue date
Nov 9, 2021
Omya International AG
Jörg Sötemann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
PREPARATION METHOD OF ECO-FRIENDLY LONG-LASTING HEAT-SENSITIVE PAPER
Publication number
20240384473
Publication date
Nov 21, 2024
JIANGXI HESHUOFENG NEW MATERIAL CO., LTD.
Xiaofeng ZHU
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DECORATIVE PANEL AND A DECORATIVE FOIL FOR A DECORATIVE PANEL
Publication number
20240240405
Publication date
Jul 18, 2024
UNILIN, BV
Benjamin CLEMENT
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...
Publication number
20240218604
Publication date
Jul 4, 2024
FIRST QUALITY TISSUE, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...
Publication number
20240218605
Publication date
Jul 4, 2024
FIRST QUALITY TISSUE, LLC
Byrd Tyler Miller
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING A SOUND ABSORBING PANEL
Publication number
20240185823
Publication date
Jun 6, 2024
IMPACT ACOUSTIC AG
Isabella COLCIAGO
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
HIGH POROSITY GYPSUMBOARD PAPER AND/OR CARDBOARD INCLUDING WASTE PA...
Publication number
20240093431
Publication date
Mar 21, 2024
KAHRAMANMARAS KAGIT SANAYI VE TIC. A. S.
Bekir YEMSEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
TOILET PAPER AND DISPOSABLE TISSUES, DYED WITH NATURAL DYES THAT AV...
Publication number
20240060241
Publication date
Feb 22, 2024
Vicente Javier LOPEZ SABORIT
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
RECYCLABLE, SELF-CLEANING CELLULOSE-FIBER COMPOSITES
Publication number
20240052572
Publication date
Feb 15, 2024
Northeastern University
Yi Zheng
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS STRUCTURES INCLUDING AN ACTIVE AGENT AND HAVING A GRAPHIC P...
Publication number
20240035233
Publication date
Feb 1, 2024
The Procter & Gamble Company
Paul Thomas Weisman
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
AN AQUEOUS SLURRY FOR A COATING COLOUR COMPOSITION FOR PAPER, BOARD...
Publication number
20230313465
Publication date
Oct 5, 2023
Jaakko HILTUNEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PULP QUALITY MONITORING
Publication number
20230287629
Publication date
Sep 14, 2023
KEMIRA OYJ
Marjatta PIIRONEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR OBTAINING A FIBROUS PREPARATION FOR IMMERSION-RESISTANT...
Publication number
20230193560
Publication date
Jun 22, 2023
PAPETERIE ZUBER RIEDER
Erwan LE GOUE
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
FIBROUS STRUCTURES INCLUDING AN ACTIVE AGENT AND HAVING A GRAPHIC P...
Publication number
20230151550
Publication date
May 18, 2023
The Procter & Gamble Company
Paul Thomas Weisman
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
PROCESS FOR PRODUCING COLOURED CARDBOARD IN A CARDBOARD PRODUCTION...
Publication number
20230141227
Publication date
May 11, 2023
Eska B.V.
Albertus UIL
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
BINDING MATERIAL AND METHOD FOR MANUFACTURING MOLDED BODY
Publication number
20230116888
Publication date
Apr 13, 2023
SEIKO EPSON CORPORATION
Takumi SAGO
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method for preparing a compound comprising at least one imine funct...
Publication number
20220412011
Publication date
Dec 29, 2022
Commissariat A L'Energie Atomique et Aux Energies Alternatives
Olivier PONCELET
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
TREATED TITANIUM DIOXIDE PIGMENT WITH HIGH MAGNESIUM OXIDE ADDITION...
Publication number
20220333310
Publication date
Oct 20, 2022
TRONOX LLC
Robert McIntyre
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
FORMULATION FOR A FIBROUS NON-WOVEN FACING MATERIAL
Publication number
20220243400
Publication date
Aug 4, 2022
Owens Corning Intellectual Capital, LLC
Hitesh Khandel
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Biodegradable Straws and Methods of Making Biodegradable Straws
Publication number
20220203646
Publication date
Jun 30, 2022
Bridgette Castronovo
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Active Materials, Surfaces, Surface Treatments And Methods For Pack...
Publication number
20220154404
Publication date
May 19, 2022
Mi2 Holdings LLC
Andrew Hopkins
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Methods and Apparatus for Manufacturing Fiber-Based Produce Containers
Publication number
20220136174
Publication date
May 5, 2022
Footprint International, LLC
Yoke Dou Chung
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Fibrous Structures Including an Active Agent and Having a Graphic P...
Publication number
20220090321
Publication date
Mar 24, 2022
The Procter & Gamble Company
Paul Thomas Weisman
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Application
Fiber-Based Food Containers
Publication number
20220049429
Publication date
Feb 17, 2022
Footprint International, LLC
Yoke Dou Chung
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PACKAGING SHEET FOR PACKAGING OF CHEESE, AND ASSOCIATED PACKAGING A...
Publication number
20210404120
Publication date
Dec 30, 2021
DANAPAK FLEXIBLES A/S
Else Dydensborg
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Tobacco-Containing Wrapper Having A White Brilliant Appearance
Publication number
20210386112
Publication date
Dec 16, 2021
Schweitzer-Mauduit International, Inc.
Jerome Accou
A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information
Patent Application
WATERMARKED DECOR PAPER
Publication number
20210381170
Publication date
Dec 9, 2021
AHLSTROM-MUNKSJÖ OYJ
Sébastien CHARIGNON
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
TREATED TITANIUM DIOXIDE PIGMENT, PROCESS OF MAKING THEREOF AND USE...
Publication number
20210262171
Publication date
Aug 26, 2021
TRONOX LLC
Robert McIntyre
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COLOR-TRANSFER WICKING ART KIT
Publication number
20210245545
Publication date
Aug 12, 2021
Crayola LLC
Robert J. Henry
B44 - DECORATIVE ARTS
Information
Patent Application
COATING COMPOSITION FOR PAPER AND PAPERBOARD
Publication number
20210222369
Publication date
Jul 22, 2021
STORA ENSO OYJ
Tuula Sokka
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
TITANIUM OXIDE COMPOSITE FIBERS AND METHOD FOR PRODUCING SAME
Publication number
20210180254
Publication date
Jun 17, 2021
Nippon Paper Industries Co., Ltd.
Masatoshi OISHI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE