Addition to the pulp After-treatment of added substances in the pulp

Industry

CPC
D21H23/04

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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 D21H23/00Processes or apparatus for adding material to the pulp or to the paper

Current Industry

D21H23/04Addition to the pulp After-treatment of added substances in the pulp

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for producing paper
- Patent number 11,926,968
- Issue date Mar 12, 2024
- Kurita Water Industries Ltd.
- Takashi Saigusa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Paper enhancing compositions, uses thereof and enhanced paper
- Patent number 11,905,663
- Issue date Feb 20, 2024
- ITI Technologies, Inc.
- David H. Creasey
- 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
Information Patent Grant
Inline dilution of microfibrillated cellulose
- Patent number 11,851,818
- Issue date Dec 26, 2023
- Borregaard AS
- Anne Opstad
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing paper or cardboard
- Patent number 11,795,255
- Issue date Oct 24, 2023
- Solenis Technologies, L.P.
- Hans-Joachim Haehnle
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Paper enhancing compositions, uses thereof and enhanced paper
- Patent number 11,767,640
- Issue date Sep 26, 2023
- ITI Technologies, Inc.
- David H. Creasey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet manufacturing method and sheet manufacturing apparatus
- Patent number 11,753,769
- Issue date Sep 12, 2023
- Seiko Epson Corporation
- Masahide Nakamura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods, apparatus, and chemical compositions for selectively coati...
- Patent number 11,654,600
- Issue date May 23, 2023
- Footprint International, Inc.
- Yoke Dou Chung
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Methods for the separation of baobab fibers
- Patent number 11,643,774
- Issue date May 9, 2023
- HOPE TREE INTERNATIONAL GMBH
- Lambert Dustin Dinzinger
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Complex of polymers, preparation and use
- Patent number 11,608,597
- Issue date Mar 21, 2023
- S.P.C.M. SA
- Gatien Faucher
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of producing hydrophobic paper
- Patent number 11,591,753
- Issue date Feb 28, 2023
- SCA Forest Products AB
- Raquel Bohn Stoltz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber body forming method and sheet
- Patent number 11,492,759
- Issue date Nov 8, 2022
- Seiko Epson Corporation
- Shigemi Wakabayashi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Softener composition
- Patent number 11,492,760
- Issue date Nov 8, 2022
- Kemira Oyj
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper strength improving composition, manufacture thereof and use i...
- Patent number 11,453,979
- Issue date Sep 27, 2022
- Kemira Oyj
- Yuping Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of a polymer product for deposit formation control in manufactu...
- Patent number 11,441,273
- Issue date Sep 13, 2022
- Kemira Oyj
- Matti Hietaniemi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Dry strength composition, its use and method for making of paper, b...
- Patent number 11,427,965
- Issue date Aug 30, 2022
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Elongated tubular articles from wet-laid webs
- Patent number 11,390,996
- Issue date Jul 19, 2022
- Eastman Chemical Company
- Kenny Randolph Parker
- 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
Nano TiO2-doped anti-ultraviolet para-aramid nano paper and prepara...
- Patent number 11,339,538
- Issue date May 24, 2022
- Shaanxi University of Science & Technology
- Zhaoqing Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method to produce a fibrous product comprising microfibrillated cel...
- Patent number 11,326,306
- Issue date May 10, 2022
- Stora Enso Oyj
- Kaj Backfolk
- B32 - LAYERED PRODUCTS
Information Patent Grant
Aramid nanofiber-based insulation paper and preparation method thereof
- Patent number 11,319,675
- Issue date May 3, 2022
- Hunan University
- Jianfeng Wang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet material comprising fiber and nano-microscale organic fibrill...
- Patent number 11,313,082
- Issue date Apr 26, 2022
- SCG PACKAGING PUBLIC COMPANY LIMITED
- Kasinee Thitiwutthisakul
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Copolymer, aqueous solution comprising the copolymer and method for...
- Patent number 11,274,397
- Issue date Mar 15, 2022
- ARCHROMA IP GMBH
- John Cowman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing cellulose pulp, cellulose pulp and use thereof...
- Patent number 11,248,344
- Issue date Feb 15, 2022
- Suzano S.A.
- Otávio Mambrim Filho
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Strength additive system and method for manufacturing a web compris...
- Patent number 11,242,653
- Issue date Feb 8, 2022
- Kemira Oyj
- Logan Jackson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing paper or cardboard
- Patent number 11,203,838
- Issue date Dec 21, 2021
- Christoph Hamers
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Pre-mix useful in the manufacture of a fiber based product
- Patent number 11,198,973
- Issue date Dec 14, 2021
- Stora Enso Oyj
- Kaj Backfolk
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cellulose/polysaccharide composites
- Patent number 11,193,005
- Issue date Dec 7, 2021
- NUTRITION & BIOSCIENCES USA 4, INC.
- Natnael Behabtu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Paper comprising aramid pulp suitable for electrochemical cells, an...
- Patent number 11,193,240
- Issue date Dec 7, 2021
- DuPont Safety & Construction, Inc.
- Mehdi Afshari
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aramid fiber far-infrared emitting paper and preparation method the...
- Patent number 11,131,064
- Issue date Sep 28, 2021
- NANOCARBON CO., LTD.
- Xiaogang Sun
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR PRODUCTION OF STARCH-LOADED FIBRILLATED FIBERS
- Publication number 20240175211
- Publication date May 30, 2024
- Domtar Paper Company, LLC
- Harshad Pande
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
OIL-RESISTANT AGENT COMPOSITION
- Publication number 20240167226
- Publication date May 23, 2024
- DAIKIN INDUSTRIES, LTD.
- Shun SHIBATA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
METHOD FOR MANUFACTURING MOLDED PRODUCT
- Publication number 20240093432
- Publication date Mar 21, 2024
- SEIKO EPSON CORPORATION
- Masahiko NAKAZAWA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A TREATMENT SYSTEM FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE
- Publication number 20240093433
- Publication date Mar 21, 2024
- KEMIRA OYJ
- Matti HIETANIEMI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TISSUE PAPER AND METHOD FOR MANUFACTURING TISSUE PAPER
- Publication number 20240084513
- Publication date Mar 14, 2024
- DAIO PAPER CORPORATION
- Sachiko TAKAHASHI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMPOSITIONS AND METHODS FOR PAPERMAKING
- Publication number 20240068168
- Publication date Feb 29, 2024
- ECOLAB USA INC.
- Mingli WEI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR MANUFACTURING PAPER OR CARDBOARD
- Publication number 20240044082
- Publication date Feb 8, 2024
- SNF Group
- Cyril BARRIERE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ADDITIVE COMPOSITIONS AND METHODS FOR PAPERMAKING WITH HIGH-KAPPA F...
- Publication number 20240035232
- Publication date Feb 1, 2024
- Solenis Technologies, L.P.
- Anthony Joseph Petty
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING A CELLULOSE-FIBRE-BASED DRINKING STRAW
- Publication number 20240018724
- Publication date Jan 18, 2024
- Mondi AG
- Lars Goran BERGLUND
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
TISSUE PAPER AND METHOD FOR MANUFACTURING TISSUE PAPER
- Publication number 20230383470
- Publication date Nov 30, 2023
- DAIO PAPER CORPORATION
- Sachiko TAKAHASHI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER ENHANCING COMPOSITIONS, USES THEREOF AND ENHANCED PAPER
- Publication number 20230366154
- Publication date Nov 16, 2023
- ITI Technologies, Inc.
- David H. Creasey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FLAME-RESISTANT PAPER FOR RADIO WAVE ABSORBER MEMBER AND PRODUCTION...
- Publication number 20230323603
- Publication date Oct 12, 2023
- TORAY INDUSTRIES, INC.
- Tomoko Takano
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PREPARATION METHOD OF HEAT-NOT-BURN CIGARETTE PAPER WITH BORON NITR...
- Publication number 20230265615
- Publication date Aug 24, 2023
- Zhejiang University
- Qinghua ZHANG
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
COMPOSITION FOR IMPROVING SOFTNESS OF TISSUE AND/OR TOWEL PRODUCTS
- Publication number 20230243102
- Publication date Aug 3, 2023
- Solenis Technologies, L.P.
- Michael A. Evans
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NOVEL WATER-SOLUBLE POLYMER COMPLEXES IN THE FORM OF AN INVERSE EMU...
- Publication number 20230243103
- Publication date Aug 3, 2023
- S.P.C.M. SA
- René HUND
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
COMPOSITIONS AND METHODS FOR INCREASED WET AND DRY STRENGTH
- Publication number 20230140638
- Publication date May 4, 2023
- KEMIRA OYJ
- Chen LU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMPOSITION AND METHOD FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE
- Publication number 20230122111
- Publication date Apr 20, 2023
- KEMIRA OYJ
- Kimmo Strengell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NOVEL COMPOSITION AND METHOD FOR PAPERMAKING
- Publication number 20230078847
- Publication date Mar 16, 2023
- ECOLAB USA INC.
- Mingli WEI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ASSEMBLIES OF FIBERS AND INORGANIC PARTICLES
- Publication number 20230069108
- Publication date Mar 2, 2023
- Nippon Paper Industries Co., Ltd.
- Madoka Kudo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PRODUCT CONTAINING AN ANIONIC CELLULOSE DERIVATIVE AND ITS USE IN P...
- Publication number 20230053998
- Publication date Feb 23, 2023
- KEMIRA OYJ
- Mikko VIRTANEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SHEET MANUFACTURING METHOD AND SHEET MANUFACTURING APPARATUS
- Publication number 20220316139
- Publication date Oct 6, 2022
- SEIKO EPSON CORPORATION
- Masahide NAKAMURA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
ARAMID-MICA COMPOSITE INSULATING NANOPAPER AND PREPARATION METHOD T...
- Publication number 20220316141
- Publication date Oct 6, 2022
- SHAANXI UNIVERSITY OF SCIENCE & TECHNOLOGY
- Zhaoqing LU
- B82 - NANO-TECHNOLOGY
Information Patent Application
TREATED SUBSTRATES AND METHODS OF PRODUCING THE SAME
- Publication number 20220228320
- Publication date Jul 21, 2022
- Solenis Technologies, L.P.
- Robert Pelton
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SUSPENSIONS INCLUDING CELLULOSE NANOFIBRIL AND POLYESTER
- Publication number 20220205183
- Publication date Jun 30, 2022
- North Carolina State University
- Emily Facchine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER ENHANCING COMPOSITIONS, USES THEREOF AND ENHANCED PAPER
- Publication number 20220154405
- Publication date May 19, 2022
- ITI Technologies, Inc.
- David H. Creasey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRODUCING CELLULOSE PULP, CELLULOSE PULP AND USE THEREOF...
- Publication number 20220127789
- Publication date Apr 28, 2022
- Suzano S.A.
- Otávio MAMBRIM FILHO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING INJECTION MOLDING MATERIAL AND INJECTION M...
- Publication number 20220106739
- Publication date Apr 7, 2022
- SEIKO EPSON CORPORATION
- Satomi YOSHIOKA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF IMPROVING THE FIRE RESISTANCE OF A CELLULOSE MATERIAL
- Publication number 20220098489
- Publication date Mar 31, 2022
- Woodholdings Environmental, Inc.
- Edwin Neal
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
A PROCESS FOR PRODUCING PAPER OR BOARD AND A PRODUCT THEREOF
- Publication number 20220090319
- Publication date Mar 24, 2022
- KEMIRA OYJ
- Diego SALAS
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Addition to the pulp After-treatment of added substances in the pulp

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing paper

Paper enhancing compositions, uses thereof and enhanced paper

Aramid-mica composite insulating nanopaper and preparation method t...

Inline dilution of microfibrillated cellulose

Method for producing paper or cardboard

Paper enhancing compositions, uses thereof and enhanced paper

Sheet manufacturing method and sheet manufacturing apparatus

Methods, apparatus, and chemical compositions for selectively coati...

Methods for the separation of baobab fibers

Complex of polymers, preparation and use

Method of producing hydrophobic paper

Fiber body forming method and sheet

Softener composition

Paper strength improving composition, manufacture thereof and use i...

Use of a polymer product for deposit formation control in manufactu...

Dry strength composition, its use and method for making of paper, b...

Elongated tubular articles from wet-laid webs

Titanium oxide composite fibers and method for producing same

Nano TiO2-doped anti-ultraviolet para-aramid nano paper and prepara...

Method to produce a fibrous product comprising microfibrillated cel...

Aramid nanofiber-based insulation paper and preparation method thereof

Sheet material comprising fiber and nano-microscale organic fibrill...

Copolymer, aqueous solution comprising the copolymer and method for...

Method for producing cellulose pulp, cellulose pulp and use thereof...

Strength additive system and method for manufacturing a web compris...

Method for manufacturing paper or cardboard

Pre-mix useful in the manufacture of a fiber based product

Cellulose/polysaccharide composites

Paper comprising aramid pulp suitable for electrochemical cells, an...

Aramid fiber far-infrared emitting paper and preparation method the...

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR PRODUCTION OF STARCH-LOADED FIBRILLATED FIBERS

OIL-RESISTANT AGENT COMPOSITION

METHOD FOR MANUFACTURING MOLDED PRODUCT

A TREATMENT SYSTEM FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE

TISSUE PAPER AND METHOD FOR MANUFACTURING TISSUE PAPER

COMPOSITIONS AND METHODS FOR PAPERMAKING

PROCESS FOR MANUFACTURING PAPER OR CARDBOARD

ADDITIVE COMPOSITIONS AND METHODS FOR PAPERMAKING WITH HIGH-KAPPA F...

METHOD FOR PRODUCING A CELLULOSE-FIBRE-BASED DRINKING STRAW

TISSUE PAPER AND METHOD FOR MANUFACTURING TISSUE PAPER

PAPER ENHANCING COMPOSITIONS, USES THEREOF AND ENHANCED PAPER

FLAME-RESISTANT PAPER FOR RADIO WAVE ABSORBER MEMBER AND PRODUCTION...

PREPARATION METHOD OF HEAT-NOT-BURN CIGARETTE PAPER WITH BORON NITR...

COMPOSITION FOR IMPROVING SOFTNESS OF TISSUE AND/OR TOWEL PRODUCTS

NOVEL WATER-SOLUBLE POLYMER COMPLEXES IN THE FORM OF AN INVERSE EMU...

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

COMPOSITIONS AND METHODS FOR INCREASED WET AND DRY STRENGTH

COMPOSITION AND METHOD FOR MANUFACTURE OF PAPER, BOARD OR THE LIKE

NOVEL COMPOSITION AND METHOD FOR PAPERMAKING

ASSEMBLIES OF FIBERS AND INORGANIC PARTICLES

PRODUCT CONTAINING AN ANIONIC CELLULOSE DERIVATIVE AND ITS USE IN P...

SHEET MANUFACTURING METHOD AND SHEET MANUFACTURING APPARATUS

ARAMID-MICA COMPOSITE INSULATING NANOPAPER AND PREPARATION METHOD T...

TREATED SUBSTRATES AND METHODS OF PRODUCING THE SAME

SUSPENSIONS INCLUDING CELLULOSE NANOFIBRIL AND POLYESTER

PAPER ENHANCING COMPOSITIONS, USES THEREOF AND ENHANCED PAPER

METHOD FOR PRODUCING CELLULOSE PULP, CELLULOSE PULP AND USE THEREOF...

METHOD FOR MANUFACTURING INJECTION MOLDING MATERIAL AND INJECTION M...

METHOD OF IMPROVING THE FIRE RESISTANCE OF A CELLULOSE MATERIAL

A PROCESS FOR PRODUCING PAPER OR BOARD AND A PRODUCT THEREOF