Polyamines Polyimines Polyester-imides

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CPC
D21H17/56

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

Current Industry

D21H17/56Polyamines Polyimines Polyester-imides

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing paper or board and a product thereof
- Patent number 12,215,463
- Issue date Feb 4, 2025
- Kemira Oyj
- Diego Salas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treated article, methods of making the treated article, and dispers...
- Patent number 12,209,364
- Issue date Jan 28, 2025
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Transfer material for sublimation printing based on paper as the ca...
- Patent number 12,180,650
- Issue date Dec 31, 2024
- SCHOELLER TECHNOCELL GMBH & CO. KG
- Martina Wicher
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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
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
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
Treated article, methods of making the treated article, and dispers...
- Patent number 12,000,090
- Issue date Jun 4, 2024
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Methods and apparatus for manufacturing high-strength fiber-based b...
- Patent number 11,939,129
- Issue date Mar 26, 2024
- Footprint International, LLC
- Yoke Dou Chung
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Inorganic particle composite fiber, method for manufacturing same,...
- Patent number 11,555,270
- Issue date Jan 17, 2023
- Nippon Paper Industries Co., Ltd.
- Moe Fukuoka
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Method for manufacture of paper or board and paper or board obtaine...
- Patent number 11,535,985
- Issue date Dec 27, 2022
- Kemira Oyj
- Yuping Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing paper, device for manufacturing additive f...
- Patent number 11,459,702
- Issue date Oct 4, 2022
- KURITA WATER INDUSTRIES LTD.
- Jiayi Chen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Quaternary cationic surfactants and polymers for use as release and...
- Patent number 11,427,964
- Issue date Aug 30, 2022
- Ecolab USA Inc.
- Gary S. Furman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sheet
- Patent number 11,346,053
- Issue date May 31, 2022
- OJI HOLDINGS CORPORATON
- Koh Sakai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and apparatus for manufacturing fiber-based meat containers
- Patent number 11,248,348
- Issue date Feb 15, 2022
- Footprint International, LLC
- Yoke Dou Chung
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Polyimide fiber sheet
- Patent number 11,230,810
- Issue date Jan 25, 2022
- DU PONT-TORAY CO., LTD.
- Hideaki Machida
- 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
High-strength network structured nano-carrier material and preparat...
- Patent number 10,882,747
- Issue date Jan 5, 2021
- CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
- Yiqiang Wu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Increased drainage performance in papermaking systems using microfi...
- Patent number 10,851,498
- Issue date Dec 1, 2020
- Solenis Technologies, L.P.
- Jonathan M McKay
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Methods and apparatus for manufacturing fiber-based beverage holders
- Patent number 10,815,622
- Issue date Oct 27, 2020
- Footprint International, LLC
- Yoke Dou Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High efficiency wet strength resins from new cross-linkers
- Patent number 10,711,401
- Issue date Jul 14, 2020
- Ecolab USA Inc.
- Clay E. Ringold
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dry strength agent composition and method for enhancing the dry str...
- Patent number 10,704,201
- Issue date Jul 7, 2020
- Ecolab USA Inc.
- Yulin Zhao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cationic polyetheramine dispersants for preparing papermaking stock
- Patent number 10,662,586
- Issue date May 26, 2020
- GPCP IP Holdings LLC
- Bruce J. Kokko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Blends of polymers as wet strengthening agents for paper
- Patent number 10,633,798
- Issue date Apr 28, 2020
- Ecolab USA Inc.
- Cornel Hagiopol
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrophobic vinylamine-containing polymer compositions and their us...
- Patent number 10,618,992
- Issue date Apr 14, 2020
- Solenis Technologies, L.P.
- Qu-Ming Gu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and composition for detackifying organic contaminants in the...
- Patent number 10,538,880
- Issue date Jan 21, 2020
- Ecolab USA Inc.
- Qing Qing Yuan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treatment of calcium carbonate containing materials for increased f...
- Patent number 10,519,307
- Issue date Dec 31, 2019
- Omya International AG
- Daniel Gantenbein
- C01 - INORGANIC CHEMISTRY
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
Powdery water-soluble cationic polymer composition
- Patent number 10,443,192
- Issue date Oct 15, 2019
- Solenis Technologies, L.P.
- Patric Bierganns
- 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

Patents Applicationslast 30 patents

Information Patent Application
A method for improving grease and oil resistance of a fiber based a...
- Publication number 20250043513
- Publication date Feb 6, 2025
- KEMIRA OYJ
- Markus KVIST
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
USE OF MODIFIED LIGNIN AS A WET END STRENGTH ADDITIVE
- Publication number 20240344271
- Publication date Oct 17, 2024
- ECOLAB USA INC.
- David Steven JORDAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...
- Publication number 20240301627
- Publication date Sep 12, 2024
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
A method, a paperboard product and use of a foam coater and a subse...
- Publication number 20240229361
- Publication date Jul 11, 2024
- METSÄ BOARD OYJ
- Ari Kiviranta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
TRANSFER MATERIAL FOR SUBLIMATION PRINTING BASED ON PAPER AS THE CA...
- Publication number 20240158987
- Publication date May 16, 2024
- SCHOELLER TECHNOCELL GMBH & CO., KG
- Martina WICHER
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A method, a paperboard product and use of a foam coater and a subse...
- Publication number 20240133122
- Publication date Apr 25, 2024
- METSÄ BOARD OYJ
- Ari Kiviranta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
IMPREGNATED CORE PAPER FOR DECORATIVE LAMINATE
- Publication number 20230407572
- Publication date Dec 21, 2023
- Andrea MÜHLBAUER
- 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
FOAM-ASSISTED APPLICATION OF UNCOOKED STARCH AND DRY STRENGTH AGENT...
- Publication number 20230160147
- Publication date May 25, 2023
- Solenis Technologies, L.P.
- Terry Lynn Bliss
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NON-CATIONIC SOFTENERS AND METHODS OF USE
- Publication number 20220204889
- Publication date Jun 30, 2022
- ECOLAB USA INC.
- Ashish Dhawan
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Application
TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...
- Publication number 20220178078
- Publication date Jun 9, 2022
- AGC Chemicals Americas, Inc.
- Tess Duffin Crosetto
- 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
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
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
QUATERNARY CATIONIC SURFACTANTS AND POLYMERS FOR USE AS RELEASE AND...
- Publication number 20210198848
- Publication date Jul 1, 2021
- ECOLAB USA INC.
- Gary S. Furman
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Application
Method for manufacture of paper or board and paper or board obtaine...
- Publication number 20210002827
- Publication date Jan 7, 2021
- KEMIRA OYJ
- Yuping Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Methods and Apparatus For Manufacturing Fiber-Based Produce Containers
- Publication number 20200256016
- Publication date Aug 13, 2020
- Footprint International, LLC
- Yoke Dou Chung
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
POLYIMIDE FIBER SHEET
- Publication number 20200115852
- Publication date Apr 16, 2020
- DU PONT-TORAY CO., LTD.
- Hideaki MACHIDA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHODS AND APPARATUS FOR MANUFACTURING FIBER-BASED BEVERAGE HOLDERS
- Publication number 20200056335
- Publication date Feb 20, 2020
- Footprint International, LLC.
- Yoke Dou Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
INORGANIC PARTICLE COMPOSITE FIBER, METHOD FOR MANUFACTURING SAME,...
- Publication number 20200056325
- Publication date Feb 20, 2020
- Nippon Paper Industries Co., Ltd.
- Moe FUKUOKA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHODS AND APPARATUS FOR MANUFACTURING FIBER-BASED MEAT CONTAINERS
- Publication number 20200024806
- Publication date Jan 23, 2020
- Footprint International, LLC
- Yoke Dou Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING PAPER, DEVICE FOR MANUFACTURING ADDITIVE F...
- Publication number 20190226148
- Publication date Jul 25, 2019
- KURITA WATER INDUSTRIES LTD.
- Jiayi CHEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
SHEET
- Publication number 20190055697
- Publication date Feb 21, 2019
- OJI HOLDINGS CORPORATION
- Koh SAKAI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
HYDROPHOBIC VINYLAMINE-CONTAINING POLYMER COMPOSITIONS AND THEIR US...
- Publication number 20190031802
- Publication date Jan 31, 2019
- Solenis Technologies, L.P.
- Qu-Ming Gu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Cationic Polyetheramine Dispersants for Preparing Papermaking Stock
- Publication number 20190003123
- Publication date Jan 3, 2019
- GPCP IP Holdings LLC
- Bruce J. Kokko
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SEPARATOR FOR ALKALINE BATTERIES, AND ALKALINE BATTERY
- Publication number 20180358595
- Publication date Dec 13, 2018
- NIPPON KODOSHI CORPORATION
- Masahiro KUROIWA
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BLENDS OF POLYMERS AS WET STRENGTHENING AGENTS FOR PAPER
- Publication number 20180112359
- Publication date Apr 26, 2018
- ECOLAB USA INC.
- Cornel Hagiopol
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
HIGH EFFICIENCY WET STRENGTH RESINS FROM NEW CROSS-LINKERS
- Publication number 20180023254
- Publication date Jan 25, 2018
- Georgia-Pacific Chemicals LLC
- Clay E. Ringold
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Polyamines Polyimines Polyester-imides

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for producing paper or board and a product thereof

Treated article, methods of making the treated article, and dispers...

Transfer material for sublimation printing based on paper as the ca...

Fiber-based food containers

Methods and apparatus for manufacturing fiber-based produce containers

Methods and apparatus for manufacturing fiber-based produce containers

Treated article, methods of making the treated article, and dispers...

Methods and apparatus for manufacturing high-strength fiber-based b...

Inorganic particle composite fiber, method for manufacturing same,...

Method for manufacture of paper or board and paper or board obtaine...

Method for manufacturing paper, device for manufacturing additive f...

Quaternary cationic surfactants and polymers for use as release and...

Sheet

Methods and apparatus for manufacturing fiber-based meat containers

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

Polyimide fiber sheet

Fibrous structures comprising acidic cellulosic fibers and methods...

High-strength network structured nano-carrier material and preparat...

Increased drainage performance in papermaking systems using microfi...

Methods and apparatus for manufacturing fiber-based beverage holders

High efficiency wet strength resins from new cross-linkers

Dry strength agent composition and method for enhancing the dry str...

Cationic polyetheramine dispersants for preparing papermaking stock

Blends of polymers as wet strengthening agents for paper

Hydrophobic vinylamine-containing polymer compositions and their us...

Method and composition for detackifying organic contaminants in the...

Treatment of calcium carbonate containing materials for increased f...

Method for producing paper

Powdery water-soluble cationic polymer composition

Method for producing paper

Patents Applicationslast 30 patents

A method for improving grease and oil resistance of a fiber based a...

USE OF MODIFIED LIGNIN AS A WET END STRENGTH ADDITIVE

TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...

A method, a paperboard product and use of a foam coater and a subse...

TRANSFER MATERIAL FOR SUBLIMATION PRINTING BASED ON PAPER AS THE CA...

A method, a paperboard product and use of a foam coater and a subse...

IMPREGNATED CORE PAPER FOR DECORATIVE LAMINATE

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

FOAM-ASSISTED APPLICATION OF UNCOOKED STARCH AND DRY STRENGTH AGENT...

NON-CATIONIC SOFTENERS AND METHODS OF USE

TREATED ARTICLE, METHODS OF MAKING THE TREATED ARTICLE, AND DISPERS...

Methods and Apparatus for Manufacturing Fiber-Based Produce Containers

A PROCESS FOR PRODUCING PAPER OR BOARD AND A PRODUCT THEREOF

Fiber-Based Food Containers

QUATERNARY CATIONIC SURFACTANTS AND POLYMERS FOR USE AS RELEASE AND...

Method for manufacture of paper or board and paper or board obtaine...

Methods and Apparatus For Manufacturing Fiber-Based Produce Containers

POLYIMIDE FIBER SHEET

METHODS AND APPARATUS FOR MANUFACTURING FIBER-BASED BEVERAGE HOLDERS

INORGANIC PARTICLE COMPOSITE FIBER, METHOD FOR MANUFACTURING SAME,...

FIBROUS STRUCTURES COMPRISING ACIDIC CELLULOSIC FIBERS AND METHODS...

METHODS AND APPARATUS FOR MANUFACTURING FIBER-BASED MEAT CONTAINERS

METHOD FOR MANUFACTURING PAPER, DEVICE FOR MANUFACTURING ADDITIVE F...

SHEET

HYDROPHOBIC VINYLAMINE-CONTAINING POLYMER COMPOSITIONS AND THEIR US...

Cationic Polyetheramine Dispersants for Preparing Papermaking Stock

SEPARATOR FOR ALKALINE BATTERIES, AND ALKALINE BATTERY

BLENDS OF POLYMERS AS WET STRENGTHENING AGENTS FOR PAPER

METHOD FOR PRODUCING PAPER

HIGH EFFICIENCY WET STRENGTH RESINS FROM NEW CROSS-LINKERS