Writing inks

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CPC
C09D11/16

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Parent Industries

CCHEMISTRY METALLURGY C09Paints, dyes C09DCOATING COMPOSITIONS C09D11/00Inks

Current Industry

C09D11/16Writing inks

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Oil-based ink composition for writing board and marking pen incorpo...
- Patent number 12,139,623
- Issue date Nov 12, 2024
- Kabushiki Kaisha Pilot Corporation
- Katsuhisa Asada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Three dimensional porous siloxanes using leachable porogen particles
- Patent number 12,077,672
- Issue date Sep 3, 2024
- Lawrence Livermore National Security, LLC
- Lemuel Perez Perez
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Marking pen
- Patent number 11,987,068
- Issue date May 21, 2024
- MITSUBISHI PENCIL COMPANY, LIMITED
- Yusuke Kobayashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Aqueous ink composition for writing instruments
- Patent number 11,926,749
- Issue date Mar 12, 2024
- Mitsubishi Pencil Company, Limited
- Hisato Haga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing aqueous gel inks with variable color, and aqu...
- Patent number 11,807,762
- Issue date Nov 7, 2023
- Societe BIC
- Karine Mougin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dry erase inks and associated writing instruments
- Patent number 11,753,558
- Issue date Sep 12, 2023
- SANFORD, L.P.
- Wing Sum Vincent Kwan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Writing instrument
- Patent number 11,738,589
- Issue date Aug 29, 2023
- THE PILOT INK CO., LTD.
- Yoshihiro Ito
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Device for mixing inks, assembly comprising the device and the meth...
- Patent number 11,660,904
- Issue date May 30, 2023
- Societe BIC
- Franck Rolion
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Oil-based ink composition for writing instrument
- Patent number 11,649,363
- Issue date May 16, 2023
- Mitsubishi Pencil Company, Limited
- Yumiko Haruhara
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Metallic ink composition and writing instrument containing same
- Patent number RE49400
- Issue date Jan 31, 2023
- SANFORD, L.P.
- Wing Sum Vincent Kwan
Information Patent Grant
Ink composition and method for preparing ink composition
- Patent number 11,390,763
- Issue date Jul 19, 2022
- Pei Zhou
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Scrub-resistant ink and methods and apparatus for fabrication and u...
- Patent number 11,359,103
- Issue date Jun 14, 2022
- Viscot Medical, LLC
- Eric Stroud
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Scrub-resistant ink and methods and apparatus for fabrication and u...
- Patent number 11,203,697
- Issue date Dec 21, 2021
- Viscot Medical, LLC
- Eric Stroud
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Three-dimensional porous siloxanes using leachable porogen particles
- Patent number 11,180,670
- Issue date Nov 23, 2021
- Lawrence Livermore National Security, LLC
- Lemuel Perez Perez
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Writing instrument
- Patent number 11,179,963
- Issue date Nov 23, 2021
- The Pilot Ink Co., Ltd.
- Yoshihiro Ito
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Dry-erase compositions and methods of making and using thereof
- Patent number 11,149,158
- Issue date Oct 19, 2021
- ICP CONSTRUCTION, INC.
- Martin Douglas Donbrosky
- B32 - LAYERED PRODUCTS
Information Patent Grant
Oil-based ink composition for writing instruments, and writing inst...
- Patent number 10,927,270
- Issue date Feb 23, 2021
- KABUSHIKI KAISHA PILOT CORPORATION
- Hisashi Nakamura
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Photocrosslinkable writing ink
- Patent number 10,696,854
- Issue date Jun 30, 2020
- Societe BIC
- Nadège Esteveny
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Aqueous dry-erasable ink composition
- Patent number 10,689,534
- Issue date Jun 23, 2020
- Ali Fallahassady
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dispersant, dispersion, ink composition, and methods of preparation...
- Patent number 10,640,662
- Issue date May 5, 2020
- Nissin Chemical Industry Co., Ltd.
- Tomoyuki Nishikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ink and method of conducting an examination
- Patent number 10,513,621
- Issue date Dec 24, 2019
- Purdue Research Foundation
- Bryan William Boudouris
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Aqueous ink composition for writing instruments
- Patent number 10,501,649
- Issue date Dec 10, 2019
- Mitsubishi Pencil Company, Limited
- Hisato Haga
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument
- Patent number 10,493,791
- Issue date Dec 3, 2019
- The Pilot Ink Co., Ltd.
- Yoshihiro Ito
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing, marking and/or drawing liquid for writing implements, espe...
- Patent number 10,450,476
- Issue date Oct 22, 2019
- Faber-Castell AG
- Wolfgang Schwarz
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Water-based conductive ink for rapid prototype in writable electronics
- Patent number 10,442,946
- Issue date Oct 15, 2019
- Nano and Advanced Materials Institute Limited
- Yuechen Wang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
1K waterborne dry-erase coating composition
- Patent number 10,125,281
- Issue date Nov 13, 2018
- The Sherwin-Williams Company
- Brian Makowski
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument
- Patent number 9,844,973
- Issue date Dec 19, 2017
- Kabushiki Kaisha Pilot Corporation
- Yoshihiro Ito
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Transitorially erasable ink compositions and writing instruments co...
- Patent number 9,809,722
- Issue date Nov 7, 2017
- SANFORD, L.P.
- Jiandong Zhu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Marking system
- Patent number 9,790,383
- Issue date Oct 17, 2017
- Crayola LLC
- Luis Rodrigo Pineiro
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reversible thermochromic and photochromic ink pens and markers
- Patent number 9,777,178
- Issue date Oct 3, 2017
- Chromatic Technologies, Inc.
- Terrill Scott Clayton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
POLYMER/PHASE CHANGE MATERIAL COMPOSITE INK FOR THREE-DIMENSIONAL P...
- Publication number 20230416544
- Publication date Dec 28, 2023
- THE TEXAS A&M UNIVERSITY SYSTEM
- Emily Pentzer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WASHABLE INK COMPOSITION
- Publication number 20230383132
- Publication date Nov 30, 2023
- SOCIETE BIC
- Carine BETHOUART
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Retractable and Washable Marker Device
- Publication number 20230101535
- Publication date Mar 30, 2023
- Ashley Perez
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
WRITING GEL INK FOR PENS WITHOUT FOLLOWER
- Publication number 20230093346
- Publication date Mar 23, 2023
- SOCIETE BIC
- Caffier GUILLAUME
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MARKING PEN
- Publication number 20230086315
- Publication date Mar 23, 2023
- MITSUBISHI PENCIL COMPANY, LIMITED
- Yusuke KOBAYASHI
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
ASYMMETRIC DONOR-ACCEPTOR MOLECULAR DYES
- Publication number 20220407014
- Publication date Dec 22, 2022
- The University of North Carolina at Charlotte
- Michael G. WALTER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SCRUB-RESISTANT INK AND METHODS AND APPARATUS FOR FABRICATION AND...
- Publication number 20220306879
- Publication date Sep 29, 2022
- VISCOT MEDICAL, LLC
- Eric STROUD
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
PROTECTION MEMBER FOR SEMICONDUCTOR, PROTECTION COMPOSITION FOR INK...
- Publication number 20220186066
- Publication date Jun 16, 2022
- Mitsui Chemicals, Inc.
- Yasuharu YAMADA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
WRITING INSTRUMENT
- Publication number 20220080767
- Publication date Mar 17, 2022
- THE PILOT INK CO., LTD.
- Yoshihiro Ito
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
THREE DIMENSIONAL POROUS SILOXANES USING LEACHABLE POROGEN PARTICLES
- Publication number 20220064463
- Publication date Mar 3, 2022
- Lawrence Livermore National Security, LLC.
- Lemuel Perez Perez
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS
- Publication number 20210340394
- Publication date Nov 4, 2021
- MITSUBISHI PENCIL COMPANY, LIMITED
- Hisato HAGA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL-BASED INK COMPOSITION FOR WRITING BOARD AND MARKING PEN INCORPO...
- Publication number 20210253886
- Publication date Aug 19, 2021
- Kabushiki Kaisha Pilot Corporation (Also Trading as Pilot Corporation)
- Katsuhisa ASADA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Heat Reactive Composition and Applicator Apparatus and Method
- Publication number 20210214286
- Publication date Jul 15, 2021
- Evan R. Van Auken
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK COMPOSITION AND METHOD FOR PREPARING INK COMPOSITION
- Publication number 20210189159
- Publication date Jun 24, 2021
- Pei ZHOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SCRUB-RESISTANT INK AND METHODS AND APPARATUS FOR FABRICATION AND...
- Publication number 20200392356
- Publication date Dec 17, 2020
- VISCOT MEDICAL, LLC
- Eric STROUD
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PROCESS FOR MAKING ETCHED PATTERNS
- Publication number 20200361199
- Publication date Nov 19, 2020
- Omya International AG
- Roger BOLLSTRÖM
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ECO-FRIENDLY PAINT COMPOUND
- Publication number 20200354585
- Publication date Nov 12, 2020
- Maria Ramirez-Cervantes
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
THREE DIMENSIONAL POROUS SILOXANES USING LEACHABLE POROGEN PARTICLES
- Publication number 20200308428
- Publication date Oct 1, 2020
- LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
- Lemuel Perez Perez
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SINGLE-USE SURGICAL MARKING PEN
- Publication number 20200253685
- Publication date Aug 13, 2020
- Jennifer Burns
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DEVICE FOR MIXING INKS, ASSEMBLY COMPRISING THE DEVICE AND THE METH...
- Publication number 20200238748
- Publication date Jul 30, 2020
- SOCIETE BIC
- Franck ROLION
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL-BASED INK COMPOSITION FOR WRITING INSTRUMENT
- Publication number 20200190346
- Publication date Jun 18, 2020
- MITSUBISHI PENCIL COMPANY, LIMITED
- Yumiko HARUHARA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
WRITING INSTRUMENT
- Publication number 20200047540
- Publication date Feb 13, 2020
- THE PILOT INK CO., LTD.
- Yoshihiro Ito
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS DRY-ERASABLE INK COMPOSITION
- Publication number 20190249019
- Publication date Aug 15, 2019
- Ali Fallahassady
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DRY-ERASE COMPOSITIONS AND METHODS OF MAKING AND USING THEREOF
- Publication number 20190153250
- Publication date May 23, 2019
- IdeaPaint, Inc.
- Martin Douglas Donbrosky
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WRITING APPARATUS AND A METHOD OF DISPENSING WRITING FLUID ON A WRI...
- Publication number 20190001736
- Publication date Jan 3, 2019
- Wipro Limited
- Amulya KUMAR DHAL
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
BIODEGRADABLE COATINGS AND PAINTS
- Publication number 20180303732
- Publication date Oct 25, 2018
- DuPont Tate & Lyle Bio Products Company, LLC
- Ann Wehner
- A21 - BAKING EDIBLE DOUGHS
Information Patent Application
DISPERSANT, DISPERSION, INK COMPOSITION, AND METHODS OF PREPARATION...
- Publication number 20180118961
- Publication date May 3, 2018
- Nissin Chemical Industry Co., Ltd.
- Tomoyuki NISHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WRITING INSTRUMENT
- Publication number 20180086133
- Publication date Mar 29, 2018
- Yoshihiro Ito
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
DISPERSION OF COLORED RESIN FINE PARTICLES FOR AQUEOUS INK, AND AQU...
- Publication number 20180079920
- Publication date Mar 22, 2018
- MITSUBISHI PENCIL COMPANY, LIMITED
- Hisato Haga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS
- Publication number 20180016457
- Publication date Jan 18, 2018
- MITSUBISHI PENCIL COMPANY, LIMITED
- Hisato HAGA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Writing inks

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Oil-based ink composition for writing board and marking pen incorpo...

Three dimensional porous siloxanes using leachable porogen particles

Marking pen

Aqueous ink composition for writing instruments

Process for preparing aqueous gel inks with variable color, and aqu...

Dry erase inks and associated writing instruments

Writing instrument

Device for mixing inks, assembly comprising the device and the meth...

Oil-based ink composition for writing instrument

Metallic ink composition and writing instrument containing same

Ink composition and method for preparing ink composition

Scrub-resistant ink and methods and apparatus for fabrication and u...

Scrub-resistant ink and methods and apparatus for fabrication and u...

Three-dimensional porous siloxanes using leachable porogen particles

Writing instrument

Dry-erase compositions and methods of making and using thereof

Oil-based ink composition for writing instruments, and writing inst...

Photocrosslinkable writing ink

Aqueous dry-erasable ink composition

Dispersant, dispersion, ink composition, and methods of preparation...

Ink and method of conducting an examination

Aqueous ink composition for writing instruments

Writing instrument

Writing, marking and/or drawing liquid for writing implements, espe...

Water-based conductive ink for rapid prototype in writable electronics

1K waterborne dry-erase coating composition

Writing instrument

Transitorially erasable ink compositions and writing instruments co...

Marking system

Reversible thermochromic and photochromic ink pens and markers

Patents Applicationslast 30 patents

POLYMER/PHASE CHANGE MATERIAL COMPOSITE INK FOR THREE-DIMENSIONAL P...

WASHABLE INK COMPOSITION

Retractable and Washable Marker Device

WRITING GEL INK FOR PENS WITHOUT FOLLOWER

MARKING PEN

ASYMMETRIC DONOR-ACCEPTOR MOLECULAR DYES

SCRUB-RESISTANT INK AND METHODS AND APPARATUS FOR FABRICATION AND...

PROTECTION MEMBER FOR SEMICONDUCTOR, PROTECTION COMPOSITION FOR INK...

WRITING INSTRUMENT

THREE DIMENSIONAL POROUS SILOXANES USING LEACHABLE POROGEN PARTICLES

AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS

OIL-BASED INK COMPOSITION FOR WRITING BOARD AND MARKING PEN INCORPO...

Heat Reactive Composition and Applicator Apparatus and Method

INK COMPOSITION AND METHOD FOR PREPARING INK COMPOSITION

SCRUB-RESISTANT INK AND METHODS AND APPARATUS FOR FABRICATION AND...

PROCESS FOR MAKING ETCHED PATTERNS

ECO-FRIENDLY PAINT COMPOUND

THREE DIMENSIONAL POROUS SILOXANES USING LEACHABLE POROGEN PARTICLES

SINGLE-USE SURGICAL MARKING PEN

DEVICE FOR MIXING INKS, ASSEMBLY COMPRISING THE DEVICE AND THE METH...

OIL-BASED INK COMPOSITION FOR WRITING INSTRUMENT

WRITING INSTRUMENT

AQUEOUS DRY-ERASABLE INK COMPOSITION

DRY-ERASE COMPOSITIONS AND METHODS OF MAKING AND USING THEREOF

WRITING APPARATUS AND A METHOD OF DISPENSING WRITING FLUID ON A WRI...

BIODEGRADABLE COATINGS AND PAINTS

DISPERSANT, DISPERSION, INK COMPOSITION, AND METHODS OF PREPARATION...

WRITING INSTRUMENT

DISPERSION OF COLORED RESIN FINE PARTICLES FOR AQUEOUS INK, AND AQU...

AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS