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Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
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D21H13/00
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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
Current Industry
D21H13/00
Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
Sub Industries
D21H13/02
Synthetic cellulose fibres
D21H13/04
Cellulose ethers
D21H13/06
Cellulose esters
D21H13/08
from regenerated cellulose
D21H13/10
Organic non-cellulose fibres
D21H13/12
from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
D21H13/14
Polyalkenes
D21H13/16
Polyalkenylalcohols Polyalkenylethers Polyalkenylesters
D21H13/18
Polymers of unsaturated acids or derivatives thereof
D21H13/20
from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
D21H13/22
Condensation polymers of aldehydes or ketones
D21H13/24
Polyesters
D21H13/26
Polyamides Polyimides
D21H13/28
from natural polymers
D21H13/30
Non-cellulose polysaccharides
D21H13/32
Alginate fibres
D21H13/34
Protein fibres
D21H13/36
Inorganic fibres or flakes
D21H13/38
siliceous
D21H13/40
vitreous
D21H13/42
Asbestos
D21H13/44
Flakes
D21H13/46
Non-siliceous fibres
D21H13/48
Metal or metallised fibres
D21H13/50
Carbon fibres
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Patents Grants
last 30 patents
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Patent Grant
Soft and strong tissue product including regenerated cellulose fibers
Patent number
12,163,293
Issue date
Dec 10, 2024
Kimberly-Clark Worldwide, Inc.
Bo Shi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Molded ceiling material for vehicle and production method therefor
Patent number
12,138,901
Issue date
Nov 12, 2024
Sanwa Kogyo Co., Ltd.
Masahiko Mikami
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Fibrous structure-containing articles that exhibit consumer relevan...
Patent number
12,128,665
Issue date
Oct 29, 2024
The Procter & Gamble Company
Christopher Michael Young
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Grant
Method of manufacturing a graphene/graphehe oxide layer and a graph...
Patent number
12,122,677
Issue date
Oct 22, 2024
Ahlstrom Oyj
Göran Bolin
B82 - NANO-TECHNOLOGY
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Patent Grant
Fibrous structure-containing articles that exhibit consumer relevan...
Patent number
12,122,137
Issue date
Oct 22, 2024
The Procter & Gamble Company
Christopher Michael Young
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Patent Grant
Process for making three-dimensional foam-laid nonwovens
Patent number
12,116,706
Issue date
Oct 15, 2024
Kimberly-Clark Worldwide, Inc.
Davis Dang H. Nhan
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Patent Grant
Corona-resistant N-grade insulation paper for variable frequency mo...
Patent number
12,110,638
Issue date
Oct 8, 2024
Sichuan University
Junwen Ren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Filter paper
Patent number
12,110,636
Issue date
Oct 8, 2024
Delfortgroup AG
Dieter Möhring
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Graphite materials, and methods for fabricating and use thereof
Patent number
12,060,274
Issue date
Aug 13, 2024
University of Maryland, College Park
Liangbing Hu
B82 - NANO-TECHNOLOGY
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Patent Grant
Preparation method of double-layer carbon-paper base paper with hig...
Patent number
12,054,887
Issue date
Aug 6, 2024
Zhejiang University of Science and Technology
Daliang Guo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Electromagnetic shielding paper based on modification of conductive...
Patent number
12,049,728
Issue date
Jul 30, 2024
JIANGSU AOSHEN HI-TECH MATERIALS CO., LTD.
Shihua Wang
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Fibrous sheet with improved properties
Patent number
12,043,963
Issue date
Jul 23, 2024
Deborah J. Calewarts
D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
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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...
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Patent Grant
Moist wipe having enhanced dispersibility
Patent number
12,036,295
Issue date
Jul 16, 2024
Nice-Pak Products, Inc.
Jeffrey Scott Hurley
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Sag-resistant acoustic board
Patent number
12,031,322
Issue date
Jul 9, 2024
AWI Licensing LLC
Charles G Krick
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polyimide fiber paper using thermoplastic polymer
Patent number
12,024,824
Issue date
Jul 2, 2024
Du Pont Toray Co., Ltd.
Hideaki Machida
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Mat and gypsum boards suitable for wet or humid areas
Patent number
12,012,352
Issue date
Jun 18, 2024
Ahlstrom Oyj
Emmanuel Faynot
B32 - LAYERED PRODUCTS
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Patent Grant
Paper hookah hose
Patent number
11,986,013
Issue date
May 21, 2024
Yu-Ting Hsu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Reinforced paper for packaging of medical devices
Patent number
11,976,420
Issue date
May 7, 2024
PELTA MEDICAL PAPERS LTD
Lars Wahlstrom
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Toilet tissue comprising a non-clingy surface
Patent number
11,952,727
Issue date
Apr 9, 2024
The Procter & Gamble Company
Matthew Gary McKee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Viscosity modified formaldehyde-free binder compositions and methods
Patent number
11,952,689
Issue date
Apr 9, 2024
Johns Manville
Zhihua Guo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fibrous structures comprising three or more regions
Patent number
11,926,969
Issue date
Mar 12, 2024
The Procter & Gamble Company
Fei Wang
D03 - WEAVING
Information
Patent Grant
Process and system for controlling temperature of a circulating foa...
Patent number
11,920,298
Issue date
Mar 5, 2024
Kimberly-Clark Worldwide, Inc.
Aisan Khodaei
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Solvent-spun cellulosic fiber
Patent number
11,898,273
Issue date
Feb 13, 2024
Lenzing Aktiengesellschaft
Verena Silbermann
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Aramid-mica composite insulating nanopaper and preparation method t...
Patent number
11,885,071
Issue date
Jan 30, 2024
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY
Zhaoqing Lu
B82 - NANO-TECHNOLOGY
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Patent Grant
Water-dispersible composite structure and method of producing the same
Patent number
11,885,072
Issue date
Jan 30, 2024
Paptic Oy
Karita Kinnunen-Raudaskoski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Gas diffusion layer for proton exchange membrane fuel cell and prep...
Patent number
11,876,232
Issue date
Jan 16, 2024
Donghua University
Biao Wang
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for manufacturing multi-layer substrates comprising sandwic...
Patent number
11,858,238
Issue date
Jan 2, 2024
The Clorox Company
Nikhil P. Dani
B08 - CLEANING
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Patent Grant
Fibrous structure-containing articles that exhibit consumer relevan...
Patent number
11,858,245
Issue date
Jan 2, 2024
The Procter & Gamble Company
Christopher Michael Young
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Paper comprising microfilaments
Patent number
11,851,820
Issue date
Dec 26, 2023
Teijin Aramid B.V.
Fresia Alvarado Chacon
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
TOWEL PRODUCTS COMPRISING REGENERATED CELLULOSE FIBER
Publication number
20250012014
Publication date
Jan 9, 2025
Kimberly-Clark Worldwide, Inc.
Jessica N. Sherek
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD OF MANUFACTURING A GRAPHENE/GRAPHEHE OXIDE LAYER AND A GRAPH...
Publication number
20250002353
Publication date
Jan 2, 2025
AHLSTROM OYJ
Göran BOLIN
B82 - NANO-TECHNOLOGY
Information
Patent Application
POROUS CARBON PAPER AND MANUFACTURING METHOD THEREOF
Publication number
20240426057
Publication date
Dec 26, 2024
Korea Advanced Institute of Science and Technology
Jae Woo LEE
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
FILTER MATERIAL FOR AIR FILTER AND METHOD FOR PRODUCING FILTER MATE...
Publication number
20240408523
Publication date
Dec 12, 2024
HOKUETSU CORPORATION
Nozomi TASHIRO
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
POROUS, LOW OPACITY PAPER
Publication number
20240401277
Publication date
Dec 5, 2024
Neenah Gessner GmbH
Raoul Hervé
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
IMPREGNATING COATING LAYER FOR INSULATING SHEETSAND MULTILAYER LAMI...
Publication number
20240351318
Publication date
Oct 24, 2024
DUPONT SAFETY & CONSTRUCTION, INC.
Benjamin Gaussens
B32 - LAYERED PRODUCTS
Information
Patent Application
MAT AND GYPSUM BOARDS SUITABLE FOR WET OR HUMID AREAS
Publication number
20240294421
Publication date
Sep 5, 2024
Ahlstrom Oyj
Emmanuel FAYNOT
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
FIBROUS STERILIZABLE MATERIAL FOR PACKAGING OF MEDICAL DEVICES AND...
Publication number
20240279877
Publication date
Aug 22, 2024
Ahlstrom Oyj
Menno Dufour
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
MODIFIED ARAMID PULP AND FRICTION MATERIAL COMPRISING MODIFIED ARAM...
Publication number
20240271365
Publication date
Aug 15, 2024
TEIJIN ARAMID B.V.
Walter NIJHUIS
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
COMPOSITE ARTICLES INCLUDING SURFACE LAYERS THAT PROVIDE ENHANCED F...
Publication number
20240269974
Publication date
Aug 15, 2024
HANWHA AZDEL, INC.
Hong Xu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
VISCOSITY MODIFIED GLASS FIBER PRODUCTS
Publication number
20240247419
Publication date
Jul 25, 2024
JOHNS MANVILLE
Zhihua Guo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PAPER MATERIAL FOR FLUID CONTAINERS HAVING CHARACTERISTICS OF CALIB...
Publication number
20240191437
Publication date
Jun 13, 2024
Gruppo Cordenons S.p.A.
Luca Monacelli
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
DISPERSION, COMPOSITE, AND PRODUCING METHODS THEREFOR
Publication number
20240183107
Publication date
Jun 6, 2024
YOKOGAWA ELECTRIC CORPORATION
Makoto MOCHIDUKI
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
Process and System for Controlling Temperature of a Circulating Foa...
Publication number
20240175209
Publication date
May 30, 2024
Kimberly-Clark Worldwide, Inc.
Aisan Khodaei
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
INORGANIC FIBER SHEET
Publication number
20240175210
Publication date
May 30, 2024
TOMOEGAWA CO., LTD.
Takuya HONJYOU
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
CIRCUIT BOARD UNWOVEN FABRIC, CIRCUIT BOARD PREPREG USING SAME AND...
Publication number
20240125050
Publication date
Apr 18, 2024
DUPONT SAFETY & CONSTRUCTION, INC.
Yuhei Nishimori
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ACTIVATED HEMP FILTERS AND METHOD OF MAKING ACTIVATED HEMP FILTERS
Publication number
20240066448
Publication date
Feb 29, 2024
Hemp-Shire LLC
William D. Strait
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR MAKING THREE-DIMENSIONAL FOAM-LAID NONWOVENS
Publication number
20240060222
Publication date
Feb 22, 2024
Kimberly-Clark Worldwide, Inc.
Davis Dang H. Nhan
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
HYALURONATE NONWOVEN FABRIC AND MANUFACTURING METHOD THEREFOR
Publication number
20240058511
Publication date
Feb 22, 2024
FIBER&TECH CO.,LTD.
Sung Il KIM
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
UPCYCLED CELLULOSIC FIBERS
Publication number
20240044080
Publication date
Feb 8, 2024
GRASIM INDUSTRIES LIMITED
Sharad Pandharinath Pawar
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PREPARATION METHOD OF DOUBLE-LAYER CARBON-PAPER BASE PAPER WITH HIG...
Publication number
20240044081
Publication date
Feb 8, 2024
Zhejiang University of Science and Technology
DALIANG GUO
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CERAMIC PAPER AND METHOD FOR PREPARING SAME
Publication number
20240003088
Publication date
Jan 4, 2024
ENVIONEER CO., LTD
Jeong Cheol HAN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
CARBON FIBER PAPER, FLEXIBLE ROLLABLE CARBON PAPER MADE FROM THE CA...
Publication number
20230416989
Publication date
Dec 28, 2023
SHANGHAI JAZZ NEW MATERIAL TECHNOLOGY CO., LTD.
Xuefeng Lu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
POLYESTER STAPLE YARN FOR WET NON-WOVEN FABRIC, WET NON-WOVEN FABRI...
Publication number
20230416957
Publication date
Dec 28, 2023
TORAY ADVANCED MATERIALS KOREA INC.
Hwi Dong LEE
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR PRODUCING FIBER MAT AND FIBER MAT
Publication number
20230416987
Publication date
Dec 28, 2023
Murata Manufacturing Co., Ltd.
Hikaru MORIMOTO
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
ELECTRICALLY CONDUCTIVE SMART PAPERS
Publication number
20230407570
Publication date
Dec 21, 2023
University of Washington
Anthony B. Dichiara
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Application
Process and System for Controlling Temperature of a Circulating Foa...
Publication number
20230399799
Publication date
Dec 14, 2023
Kimberly-Clark Worldwide, Inc.
Aisan Khodaei
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
GAS DIFFUSION LAYER FOR PROTON EXCHANGE MEMBRANE FUEL CELL AND PREP...
Publication number
20230395815
Publication date
Dec 7, 2023
DONGHUA UNIVERSITY
Biao WANG
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
METHOD FOR PRODUCING REGENERATED CELLULOSE-BASED THREADS AND FELTED...
Publication number
20230391045
Publication date
Dec 7, 2023
Refiberd, Inc.
Sarika Bajaj
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE