Nitrogen-containing groups

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CPC
D21H17/45

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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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D21H17/45Nitrogen-containing groups

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous glyoxalated polyacrylamide composition
- Patent number 12,065,527
- Issue date Aug 20, 2024
- Solenis Technologies, L.P.
- Daniel F. Varnell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Ply of a linerboard and a light weight linerboard for corrugated board
- Patent number 12,053,964
- Issue date Aug 6, 2024
- Stora Enso Oyj
- Seppo Lampainen
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for the hydrolysis of a polymer
- Patent number 12,018,113
- Issue date Jun 25, 2024
- Solenis Technologies, L.P.
- Hans-Joachim Haehnle
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of increasing efficiency of chemical additives in a papermak...
- Patent number 11,926,966
- Issue date Mar 12, 2024
- Solenis Technologies, L.P.
- Davit Edward Sharoyan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
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
Pulp molded product and method for manufacturing same
- Patent number 11,434,606
- Issue date Sep 6, 2022
- Daiken Industries, Ltd.
- Tetsuya Uehara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Foam assisted application of strength additives to paper products
- Patent number 11,365,515
- Issue date Jun 21, 2022
- Solenis Technologies, L.P.
- Mingxiang Luo
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacturing a multi-layered paperboard, multi-layered...
- Patent number 11,365,517
- Issue date Jun 21, 2022
- Kemira Oyj
- Matti Hietaniemi
- 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
Polymer, method for producing polymer and polymer flocculant
- Patent number 11,261,276
- Issue date Mar 1, 2022
- MITSUBISHI CHEMICAL CORPORATION
- Kazunori Mukunoki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for increasing the strength properties of a paper or board p...
- Patent number 11,214,927
- Issue date Jan 4, 2022
- Kemira Oyj
- Mikko Virtanen
- 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
Anti-microbial polymer incorporating a quaternary ammonium group
- Patent number 10,993,437
- Issue date May 4, 2021
- Chemgreen Innovation Inc.
- Khashayar Ghandi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High-efficiency strength program used for making paper in higher ch...
- Patent number 10,982,391
- Issue date Apr 20, 2021
- Ecolab USA Inc.
- Meng Zhang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Finely divided, cationic, aqueous polymer dispersions, method for t...
- Patent number 10,975,525
- Issue date Apr 13, 2021
- Solenis Technologies, L.P.
- Carmen-Elena Cimpeanu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making paper, paperboard or the like
- Patent number 10,954,633
- Issue date Mar 23, 2021
- Kemira Oyj
- Christopher Michael Lewis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cationic surface sizing agent
- Patent number 10,907,307
- Issue date Feb 2, 2021
- Kemira Oyj
- Anneli Lepo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for dewatering of sludge from a pulp, paper or board making...
- Patent number 10,858,782
- Issue date Dec 8, 2020
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Superabsorbent material sat (super absorbent tissue)
- Patent number 10,844,545
- Issue date Nov 24, 2020
- Gianfranco Palumbo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polymer composition and its uses
- Patent number 10,800,869
- Issue date Oct 13, 2020
- Kemira Oyj
- Matti Hietaniemi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for manufacture of paper, board or the like and use of the c...
- Patent number 10,787,768
- Issue date Sep 29, 2020
- Kemira Oyj
- Matti Hietaniemi
- 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
Papermaking process of increasing ash content of a paper product an...
- Patent number 10,697,121
- Issue date Jun 30, 2020
- Ecolab USA Inc.
- Qinglong Rao
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for manufacturing paper and board
- Patent number 10,689,809
- Issue date Jun 23, 2020
- S.P.C.M. SA
- Gatien Faucher
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Compositions and methods for treating filler in papermaking
- Patent number 10,669,672
- Issue date Jun 2, 2020
- Ecolab USA Inc.
- Qinglong Rao
- 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
Method for treating starch in pulp, paper and board making processes
- Patent number 10,640,923
- Issue date May 5, 2020
- Kemira Oyj
- Matti Hietaniemi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
STRENGTH SYNERGY BETWEEN POLYMER AND PAPERMAKING STRENGTH AID
- Publication number 20240417929
- Publication date Dec 19, 2024
- ECOLAB USA INC.
- Zhi CHEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
USE OF A CATIONIC COPOLYMER IN A MANUFACTURE OF PAPER, BOARD, TISSU...
- Publication number 20240384471
- Publication date Nov 21, 2024
- KEMIRA OYJ
- Jonni AHLGREN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR ON-SITE GLYOXYLATION OF POLYACRYLAMIDE
- Publication number 20240360253
- Publication date Oct 31, 2024
- KEMIRA OYJ
- Asko KARPPI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PREPARING AN AQUEOUS GLYOXALATED POLYACRYLAMIDE COMPOSI...
- Publication number 20240360261
- Publication date Oct 31, 2024
- Solenis Technologies, L.P.
- Daniel F. Varnell
- 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
ADDITIVE COMPOSITIONS FOR PAPERMAKING
- Publication number 20240337070
- Publication date Oct 10, 2024
- Solenis Technologies, L.P.
- Daniel M. Henn
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...
- Publication number 20240328089
- Publication date Oct 3, 2024
- KEMIRA OYJ
- Jonni AHLGREN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR OBTAINING BIO-SOURCED DIALLYLDIALKYLAMMONIUM HALIDE
- Publication number 20240279154
- Publication date Aug 22, 2024
- SNF Group
- Cédrick FAVERO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
USE OF AN ANIONIC ADDITIVE TO IMPROVE DRY STRENGTH COMPOSITION PERF...
- Publication number 20240263400
- Publication date Aug 8, 2024
- ECOLAB USA INC.
- David Steven JORDAN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BIOLOGICAL METHOD FOR OBTAINING MONOMERS COMPRISING AN ETHYLENIC UN...
- Publication number 20240263201
- Publication date Aug 8, 2024
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
WET LAID PAPER AND PAPERBOARD PRODUCTS WITH HIGH WET STRENGTH AND M...
- Publication number 20240218603
- Publication date Jul 4, 2024
- FIRST QUALITY TISSUE, LLC
- James E. Sealey
- 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
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
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
CATIONIC POLYACRYLAMIDES WITH MICRO-BLOCK STRUCTURE
- Publication number 20240034822
- Publication date Feb 1, 2024
- SNF Group
- Cédrick FAVERO
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR MANUFACTURING PAPER AND CARDBOARD
- Publication number 20230295877
- Publication date Sep 21, 2023
- S.P.C.M. SA
- Gatien FAUCHER
- 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
ADDITIVE COMPOSITIONS FOR PAPERMAKING
- Publication number 20230235509
- Publication date Jul 27, 2023
- Solenis Technologies, L.P.
- Anthony Joseph Petty
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PITCH CONTROL DURING BLEACHING
- Publication number 20230212821
- Publication date Jul 6, 2023
- KEMIRA OYJ
- Leif ROBERTSEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
NOVEL SULFOBETAINE MONOMERS, PROCESS FOR PREPARING SAME, AND USES T...
- Publication number 20230183174
- Publication date Jun 15, 2023
- S.P.C.M. SA
- Johann KIEFFER
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
GPAM COMPOSITIONS AND METHODS
- Publication number 20230135892
- Publication date May 4, 2023
- KEMIRA OYJ
- Chen LU
- 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
METHOD FOR ON-SITE GLYOXYLATION OF POLYACRYLAMIDE
- Publication number 20230129116
- Publication date Apr 27, 2023
- KEMIRA OYJ
- Asko KARPPI
- 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
COMPOSITION AND ITS USE FOR USE IN MANUFACTURE OF PAPER, BOARD OR T...
- Publication number 20230024255
- Publication date Jan 26, 2023
- KEMIRA OYJ
- Matti HIETANIEMI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POWDERY PAPER-STRENGTHENING AGENT, PAPER-STRENGTHENING AGENT SOLUTI...
- Publication number 20230002975
- Publication date Jan 5, 2023
- ARAKAWA CHEMICAL INDUSTRIES, LTD.
- Keisuke Okada
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR MANUFACTURING PAPER OR CARDBOARD
- Publication number 20220356650
- Publication date Nov 10, 2022
- S.P.C.M. SA
- Cyril BARRIERE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PAPER-STRENGTHENING AGENT, PAPER, AND METHOD OF PRODUCING PAPER
- Publication number 20220341095
- Publication date Oct 27, 2022
- Arakawa Chemical Industries, Ltd.
- Makoto Kobayashi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
AQUEOUS GLYOXALATED POLYACRYLAMIDE COMPOSITION
- Publication number 20220213308
- Publication date Jul 7, 2022
- Solenis Technologies, L.P.
- Daniel F. Varnell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR THE HYDROLYSIS OF A POLYMER
- Publication number 20220033540
- Publication date Feb 3, 2022
- SOLENIS TECHNOLOGIES CAYMAN, L.P.
- Hans-Joachim HAEHNLE
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Nitrogen-containing groups

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Aqueous glyoxalated polyacrylamide composition

Ply of a linerboard and a light weight linerboard for corrugated board

Method for the hydrolysis of a polymer

Method of increasing efficiency of chemical additives in a papermak...

Complex of polymers, preparation and use

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

Pulp molded product and method for manufacturing same

Foam assisted application of strength additives to paper products

Method for manufacturing a multi-layered paperboard, multi-layered...

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

Polymer, method for producing polymer and polymer flocculant

Method for increasing the strength properties of a paper or board p...

Method for manufacturing paper or cardboard

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

Anti-microbial polymer incorporating a quaternary ammonium group

High-efficiency strength program used for making paper in higher ch...

Finely divided, cationic, aqueous polymer dispersions, method for t...

Process for making paper, paperboard or the like

Cationic surface sizing agent

Method for dewatering of sludge from a pulp, paper or board making...

Increased drainage performance in papermaking systems using microfi...

Superabsorbent material sat (super absorbent tissue)

Polymer composition and its uses

Method for manufacture of paper, board or the like and use of the c...

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

Papermaking process of increasing ash content of a paper product an...

Process for manufacturing paper and board

Compositions and methods for treating filler in papermaking

Cationic polyetheramine dispersants for preparing papermaking stock

Method for treating starch in pulp, paper and board making processes

Patents Applicationslast 30 patents

STRENGTH SYNERGY BETWEEN POLYMER AND PAPERMAKING STRENGTH AID

USE OF A CATIONIC COPOLYMER IN A MANUFACTURE OF PAPER, BOARD, TISSU...

METHOD FOR ON-SITE GLYOXYLATION OF POLYACRYLAMIDE

PROCESS FOR PREPARING AN AQUEOUS GLYOXALATED POLYACRYLAMIDE COMPOSI...

USE OF MODIFIED LIGNIN AS A WET END STRENGTH ADDITIVE

ADDITIVE COMPOSITIONS FOR PAPERMAKING

METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM...

PROCESS FOR OBTAINING BIO-SOURCED DIALLYLDIALKYLAMMONIUM HALIDE

USE OF AN ANIONIC ADDITIVE TO IMPROVE DRY STRENGTH COMPOSITION PERF...

BIOLOGICAL METHOD FOR OBTAINING MONOMERS COMPRISING AN ETHYLENIC UN...

WET LAID PAPER AND PAPERBOARD PRODUCTS WITH HIGH WET STRENGTH AND M...

OIL-RESISTANT AGENT COMPOSITION

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

COMPOSITIONS AND METHODS FOR PAPERMAKING

CATIONIC POLYACRYLAMIDES WITH MICRO-BLOCK STRUCTURE

METHOD FOR MANUFACTURING PAPER AND CARDBOARD

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

ADDITIVE COMPOSITIONS FOR PAPERMAKING

METHOD FOR PITCH CONTROL DURING BLEACHING

NOVEL SULFOBETAINE MONOMERS, PROCESS FOR PREPARING SAME, AND USES T...

GPAM COMPOSITIONS AND METHODS

COMPOSITIONS AND METHODS FOR INCREASED WET AND DRY STRENGTH

METHOD FOR ON-SITE GLYOXYLATION OF POLYACRYLAMIDE

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

COMPOSITION AND ITS USE FOR USE IN MANUFACTURE OF PAPER, BOARD OR T...

POWDERY PAPER-STRENGTHENING AGENT, PAPER-STRENGTHENING AGENT SOLUTI...

PROCESS FOR MANUFACTURING PAPER OR CARDBOARD

PAPER-STRENGTHENING AGENT, PAPER, AND METHOD OF PRODUCING PAPER

AQUEOUS GLYOXALATED POLYACRYLAMIDE COMPOSITION

METHOD FOR THE HYDROLYSIS OF A POLYMER