Acid compounds

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CPC
D21H17/65

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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 D21H17/00Non-fibrous material added to the pulp, characterised by its constitution Paper-impregnating material characterised by its constitution

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D21H17/65Acid compounds

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Moisture/oil resistant composite materials
- Patent number 12,157,976
- Issue date Dec 3, 2024
- World Centric
- Randal L. Shogren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compostable cellulose-based paper for gas barrier in packaging mate...
- Patent number 12,146,267
- Issue date Nov 19, 2024
- Ahlstrom Oyj
- Noel Cartier
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compostable cellulose-based paper for gas barrier in packaging mate...
- Patent number 12,116,731
- Issue date Oct 15, 2024
- Ahlstrom Oyj
- Noel Cartier
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet
- Patent number 11,987,675
- Issue date May 21, 2024
- Oji Holdings Corporation
- Koh Sakai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Flushable wipe and method of forming the same
- Patent number 11,583,489
- Issue date Feb 21, 2023
- First Quality Tissue, LLC
- Byrd Tyler Miller
- 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
Fibrous structures comprising acidic cellulosic fibers and methods...
- Patent number 11,162,223
- Issue date Nov 2, 2021
- Kimberly-Clark Worldwide, Inc.
- David John Paulson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Drying/transportation and releasing MFC
- Patent number 10,947,670
- Issue date Mar 16, 2021
- Stora Enso Oyj
- Jari Räsänen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Flame or fire retarding agents and their manufacture and use
- Patent number 10,920,147
- Issue date Feb 16, 2021
- Fernando Tahmouresinia
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Ligno cellulosic materials and the products made therefrom
- Patent number 10,907,304
- Issue date Feb 2, 2021
- International Paper Company
- Zheng Tan
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Flame or fire protection agent and production and use thereof, in p...
- Patent number 10,808,175
- Issue date Oct 20, 2020
- Fernando Tahmouresinia
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making partly-hydrolyzed cellulose using compressed cel...
- Patent number 10,697,122
- Issue date Jun 30, 2020
- Noram Engineering and Constructors Ltd.
- James M. Lockhart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Softener composition
- Patent number 10,570,567
- Issue date Feb 25, 2020
- Kemira Oyj
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing paper
- Patent number 10,458,068
- Issue date Oct 29, 2019
- Kemira Oyj
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for producing paper
- Patent number 10,435,843
- Issue date Oct 8, 2019
- KEMIRA OYJ
- Chen Lu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for preventing scale formation
- Patent number 10,392,746
- Issue date Aug 27, 2019
- Kemira Oyj
- Clayton Campbell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of increasing the filler content in paper or paperboard
- Patent number 10,041,211
- Issue date Aug 7, 2018
- Stora Enso Oyj
- Phillip Håkansson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for digesting a biomass comprising lignin together with cell...
- Patent number 10,011,851
- Issue date Jul 3, 2018
- MAXBIOGAS GMBH
- Friedrich Streffer
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Method for pretreating cellulose pulp
- Patent number 9,725,849
- Issue date Aug 8, 2017
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Coated printing paper for industrial inkjet printer and method for...
- Patent number 9,434,200
- Issue date Sep 6, 2016
- Mitsubishi Paper Mills Limited
- Masanori Nagoshi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for pretreating cellulose pulp
- Patent number 9,315,942
- Issue date Apr 19, 2016
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Fiber products
- Patent number 8,900,414
- Issue date Dec 2, 2014
- Datalase, Ltd
- Adolf Käser
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Wood preservatives containing copper complexes
- Patent number 8,889,038
- Issue date Nov 18, 2014
- E I du Pont de Nemours and Company
- Albert Gordon Anderson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for increasing bulk of a fiber product, fiber product and u...
- Patent number 8,308,905
- Issue date Nov 13, 2012
- Fibertus Oy
- Mikko Juhani Kaira
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Ligno cellulosic materials and the products made therefrom
- Patent number 8,282,774
- Issue date Oct 9, 2012
- International Paper Company
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the production of cellulosic product
- Patent number 8,157,962
- Issue date Apr 17, 2012
- Akzo Nobel N.V.
- Patrik Simonson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Lignocellulosic materials and the products made therefrom
- Patent number 8,007,635
- Issue date Aug 30, 2011
- International Paper Company
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods for modifying electrical properties of papermaking composit...
- Patent number 7,056,419
- Issue date Jun 6, 2006
- American Air Liquide, Inc.
- V. S. Meenakshi Sundaram
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Acid stabilized calcium carbonate an method of making it
- Patent number 7,033,428
- Issue date Apr 25, 2006
- Minerals Technologies Inc.
- Donald Kendall Drummond
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for reducing alkaline darkening of mechanical pulp containin...
- Patent number 6,998,015
- Issue date Feb 14, 2006
- Pulp and Paper Research Institute of Canada
- Xujun Hua
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
COMPOSTABLE CELLULOSE-BASED PAPER FOR GAS BARRIER IN PACKAGING MATE...
- Publication number 20240417931
- Publication date Dec 19, 2024
- Ahlstrom Oyj
- Noel Cartier
- B32 - LAYERED PRODUCTS
Information Patent Application
MOISTURE/OIL RESISTANT COMPOSITE MATERIALS
- Publication number 20240052571
- Publication date Feb 15, 2024
- World Centric
- Randal L. Shogren
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR REDUCING AMOUNT OF BACTERIAL ENDOSPORES IN AN AQUEOUS FI...
- Publication number 20240018726
- Publication date Jan 18, 2024
- KEMIRA OYJ
- Marko KOLARI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR THE PRODUCTION OF PAPER PRODUCTS
- Publication number 20230167603
- Publication date Jun 1, 2023
- NOVATRUST SA
- Simone PRIANTE
- 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
METHOD OF REDUCING HYDROPHOBIC CONTAMINANTS IN A PULPING OR PAPERMA...
- Publication number 20230071350
- Publication date Mar 9, 2023
- Solenis Technologies, L.P.
- Davit Edward Sharoyan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMPOSTABLE CELLULOSE-BASED PAPER FOR GAS BARRIER IN PACKAGING MATE...
- Publication number 20220403601
- Publication date Dec 22, 2022
- Ahlstrom-Munksjö Oyj
- Noel Cartier
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FLUSHABLE WIPE AND METHOD OF FORMING THE SAME
- Publication number 20220378685
- Publication date Dec 1, 2022
- FIRST QUALITY TISSUE, LLC
- Byrd Tyler Miller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Platelike thermal insulation material made from recycled and enviro...
- Publication number 20220136176
- Publication date May 5, 2022
- BALTICFLOC, SIA
- Edzus Cabulis
- E04 - BUILDING
Information Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
- Publication number 20210262165
- Publication date Aug 26, 2021
- International Paper Company
- Zheng Tan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SOFTENER COMPOSITION
- Publication number 20200149223
- Publication date May 14, 2020
- KEMIRA OYJ
- Chen LU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
COMPOSITION COMPRISING CULTIVATED MICROALGAE FOR USE IN COLORING PR...
- Publication number 20200095729
- Publication date Mar 26, 2020
- ALGALIFE LTD.
- RENANA KREBS
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
FIBROUS STRUCTURES COMPRISING ACIDIC CELLULOSIC FIBERS AND METHODS...
- Publication number 20200032456
- Publication date Jan 30, 2020
- Kimberly-Clark Worldwide, Inc.
- David John Paulson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Paper Processing Composition and Process of Production
- Publication number 20190211508
- Publication date Jul 11, 2019
- David Creasey
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Flame or Fire Protection Agent and Production and Use thereof, in P...
- Publication number 20190016958
- Publication date Jan 17, 2019
- Fernando TAHMOURESINIA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FLAME OR FIRE RETARDING AGENTS AND THEIR MANUFACTURE AND USE
- Publication number 20180327670
- Publication date Nov 15, 2018
- Fernando Tahmouresinia
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
METHOD FOR PRODUCING PAPER
- Publication number 20180051416
- Publication date Feb 22, 2018
- KEMIRA OYJ
- Chen LU
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for preventing scale formation
- Publication number 20170198435
- Publication date Jul 13, 2017
- KEMIRA OYJ
- Clayton Campbell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
- Publication number 20170198436
- Publication date Jul 13, 2017
- International Paper Company
- Zheng TAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD OF INCREASING THE FILLER CONTENT IN PAPER OR PAPERBOARD
- Publication number 20170183822
- Publication date Jun 29, 2017
- STORA ENSO OYJ
- Phillip Håkansson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS AND SYSTEMS FOR PROCESSING CELLULOSE-CONTAINING MATERIALS A...
- Publication number 20160369456
- Publication date Dec 22, 2016
- Stacy FLYNN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR MAKING PARTLY-HYDROLYZED CELLULOSE USING COMPRESSED CEL...
- Publication number 20150252531
- Publication date Sep 10, 2015
- NORAM Engineering and Constructors Ltd.
- James M. Lockhart
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR DIGESTING A BIOMASS COMPRISING LIGNIN TOGETHER WITH CELL...
- Publication number 20150176031
- Publication date Jun 25, 2015
- MAXBIOGAS GMBH
- Friedrich STREFFER
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
- Publication number 20150007953
- Publication date Jan 8, 2015
- International Paper Company
- ZHENG TAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PRETREATING CELLULOSE PULP
- Publication number 20140374045
- Publication date Dec 25, 2014
- UPM-Kymmene Corporation
- Markus Nuopponen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
- Publication number 20130066291
- Publication date Mar 14, 2013
- International Paper Company
- ZHENG TAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PRODUCING HALF-STUFFS FOR THE MANUFACTURE OF PAPERY ARTICLES
- Publication number 20120186762
- Publication date Jul 26, 2012
- BASF SE
- Stefan Faßbender
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM
- Publication number 20110287275
- Publication date Nov 24, 2011
- International Paper Company
- ZHENG TAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR DIGESTING A BIOMASS COMPRISING LIGNIN TOGETHER WITH CELL...
- Publication number 20110201096
- Publication date Aug 18, 2011
- Friedrich Streffer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Printable Substrates with Improved Brightness from OBAs in Presence...
- Publication number 20110151149
- Publication date Jun 23, 2011
- International Paper Company
- Michael F. Koenig
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Acid compounds

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Moisture/oil resistant composite materials

Compostable cellulose-based paper for gas barrier in packaging mate...

Compostable cellulose-based paper for gas barrier in packaging mate...

Sheet

Flushable wipe and method of forming the same

Softener composition

Fibrous structures comprising acidic cellulosic fibers and methods...

Drying/transportation and releasing MFC

Flame or fire retarding agents and their manufacture and use

Ligno cellulosic materials and the products made therefrom

Flame or fire protection agent and production and use thereof, in p...

Process for making partly-hydrolyzed cellulose using compressed cel...

Softener composition

Method for producing paper

Method for producing paper

Method for preventing scale formation

Method of increasing the filler content in paper or paperboard

Method for digesting a biomass comprising lignin together with cell...

Method for pretreating cellulose pulp

Coated printing paper for industrial inkjet printer and method for...

Method for pretreating cellulose pulp

Fiber products

Wood preservatives containing copper complexes

Process for increasing bulk of a fiber product, fiber product and u...

Ligno cellulosic materials and the products made therefrom

Process for the production of cellulosic product

Lignocellulosic materials and the products made therefrom

Methods for modifying electrical properties of papermaking composit...

Acid stabilized calcium carbonate an method of making it

Method for reducing alkaline darkening of mechanical pulp containin...

Patents Applicationslast 30 patents

COMPOSTABLE CELLULOSE-BASED PAPER FOR GAS BARRIER IN PACKAGING MATE...

MOISTURE/OIL RESISTANT COMPOSITE MATERIALS

METHOD FOR REDUCING AMOUNT OF BACTERIAL ENDOSPORES IN AN AQUEOUS FI...

METHOD FOR THE PRODUCTION OF PAPER PRODUCTS

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

METHOD OF REDUCING HYDROPHOBIC CONTAMINANTS IN A PULPING OR PAPERMA...

COMPOSTABLE CELLULOSE-BASED PAPER FOR GAS BARRIER IN PACKAGING MATE...

FLUSHABLE WIPE AND METHOD OF FORMING THE SAME

Platelike thermal insulation material made from recycled and enviro...

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

SOFTENER COMPOSITION

COMPOSITION COMPRISING CULTIVATED MICROALGAE FOR USE IN COLORING PR...

FIBROUS STRUCTURES COMPRISING ACIDIC CELLULOSIC FIBERS AND METHODS...

Paper Processing Composition and Process of Production

Flame or Fire Protection Agent and Production and Use thereof, in P...

FLAME OR FIRE RETARDING AGENTS AND THEIR MANUFACTURE AND USE

METHOD FOR PRODUCING PAPER

Method for preventing scale formation

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

A METHOD OF INCREASING THE FILLER CONTENT IN PAPER OR PAPERBOARD

METHODS AND SYSTEMS FOR PROCESSING CELLULOSE-CONTAINING MATERIALS A...

PROCESS FOR MAKING PARTLY-HYDROLYZED CELLULOSE USING COMPRESSED CEL...

METHOD FOR DIGESTING A BIOMASS COMPRISING LIGNIN TOGETHER WITH CELL...

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

METHOD FOR PRETREATING CELLULOSE PULP

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

PRODUCING HALF-STUFFS FOR THE MANUFACTURE OF PAPERY ARTICLES

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

METHOD FOR DIGESTING A BIOMASS COMPRISING LIGNIN TOGETHER WITH CELL...

Printable Substrates with Improved Brightness from OBAs in Presence...