Colorants; Pigments or opacifying agents

Industry

CPC
D21H21/28

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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 D21H21/00Non-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

D21H21/28Colorants; Pigments or opacifying agents

Industries

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Patents Grantslast 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 Applicationslast 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

Colorants; Pigments or opacifying agents

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Fiber-based food containers

Sodium alginate nanoparticles integrated with anthocyanidin biomole...

Methods and apparatus for manufacturing fiber-based produce containers

Treated titanium dioxide pigment, process of making thereof and use...

Use of additives containing primary alkanolamines in aqueous minera...

Methods and apparatus for manufacturing fiber-based produce containers

Method for preparing a compound comprising at least one imine funct...

Fibrous structures including an active agent and having a graphic p...

Soft tissue produced using a structured fabric and energy efficient...

Layer sequence with colour flop effect including platelet-shaped ef...

Preparation method and application of multifunctional intelligent c...

Bimodal precipitated calcium carbonate slurries suitable for paper...

Soft tissue produced using a structured fabric and energy efficient...

Fibrous structures including an active agent and having a graphic p...

Pulp quality monitoring

Laminate pigment with spacing properties and high UV-greying stability

Fibrous structures including an active agent and having a graphic p...

Paper sheet mulches and methods of making the same

Oxidized microfibrillated cellulose fibers and composition thereof

Biodegradable straws and methods of making biodegradable straws

Sheet manufacturing apparatus, control method thereof, and sheet ma...

Method and apparatus for manufacturing natural fiber based staple f...

Carboxymethylated microfibrillated cellulose fibers and composition...

Titanium oxide composite fibers and method for producing same

Treated titanium dioxide pigment with high magnesium oxide addition...

Fibrous structures including an active agent and having a graphic p...

Sheet having improved dead-fold properties

Cannabinoid containing cannabis extract infused into rolling paper

Black coloring composition

Process for manufacturing white pigment containing products

Patents Applicationslast 30 patents

PREPARATION METHOD OF ECO-FRIENDLY LONG-LASTING HEAT-SENSITIVE PAPER

DECORATIVE PANEL AND A DECORATIVE FOIL FOR A DECORATIVE PANEL

SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...

SOFT TISSUE PRODUCED USING A STRUCTURED FABRIC AND ENERGY EFFICIENT...

METHOD FOR PRODUCING A SOUND ABSORBING PANEL

HIGH POROSITY GYPSUMBOARD PAPER AND/OR CARDBOARD INCLUDING WASTE PA...

TOILET PAPER AND DISPOSABLE TISSUES, DYED WITH NATURAL DYES THAT AV...

RECYCLABLE, SELF-CLEANING CELLULOSE-FIBER COMPOSITES

FIBROUS STRUCTURES INCLUDING AN ACTIVE AGENT AND HAVING A GRAPHIC P...

AN AQUEOUS SLURRY FOR A COATING COLOUR COMPOSITION FOR PAPER, BOARD...

PULP QUALITY MONITORING

METHOD FOR OBTAINING A FIBROUS PREPARATION FOR IMMERSION-RESISTANT...

FIBROUS STRUCTURES INCLUDING AN ACTIVE AGENT AND HAVING A GRAPHIC P...

PROCESS FOR PRODUCING COLOURED CARDBOARD IN A CARDBOARD PRODUCTION...

BINDING MATERIAL AND METHOD FOR MANUFACTURING MOLDED BODY

Method for preparing a compound comprising at least one imine funct...

TREATED TITANIUM DIOXIDE PIGMENT WITH HIGH MAGNESIUM OXIDE ADDITION...

FORMULATION FOR A FIBROUS NON-WOVEN FACING MATERIAL

Biodegradable Straws and Methods of Making Biodegradable Straws

Active Materials, Surfaces, Surface Treatments And Methods For Pack...

Methods and Apparatus for Manufacturing Fiber-Based Produce Containers

Fibrous Structures Including an Active Agent and Having a Graphic P...

Fiber-Based Food Containers

PACKAGING SHEET FOR PACKAGING OF CHEESE, AND ASSOCIATED PACKAGING A...

Tobacco-Containing Wrapper Having A White Brilliant Appearance

WATERMARKED DECOR PAPER

TREATED TITANIUM DIOXIDE PIGMENT, PROCESS OF MAKING THEREOF AND USE...

COLOR-TRANSFER WICKING ART KIT

COATING COMPOSITION FOR PAPER AND PAPERBOARD

TITANIUM OXIDE COMPOSITE FIBERS AND METHOD FOR PRODUCING SAME