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Jonni Ahlgren
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Espoo, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Water-based barrier coatings
Patent number
11,118,079
Issue date
Sep 14, 2021
Kemira Oyj
Tarja Turkki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for removing humic substances from an aqueous alkaline solution
Patent number
10,662,092
Issue date
May 26, 2020
Kemira Oyj
Jonni Ahlgren
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Coating color composition and paper or paperboard coated with it
Patent number
9,410,289
Issue date
Aug 9, 2016
Kemira Oyj
Jonni Ahlgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for producing paper, board or the like and agglomerate
Patent number
9,080,288
Issue date
Jul 14, 2015
Kemira Oyj
Matti Hietaniemi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for manufacturing of paper
Patent number
8,052,841
Issue date
Nov 8, 2011
Kemira Oyj
Jonni Ahlgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Composition and process for the treatment of fibre material
Patent number
8,048,264
Issue date
Nov 1, 2011
Kemira Oyj
Aarto Parén
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for the treatment of fibre material and new composition
Patent number
7,988,821
Issue date
Aug 2, 2011
Kemira Oyj
Seung-Hoon Lee
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polymer composition for peroxide bleaching of cellulosic fibre mate...
Patent number
7,867,357
Issue date
Jan 11, 2011
Kemira Oyj
Jonni Ahlgren
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Bleaching of cellulosic fibre material with peroxide using polymers...
Patent number
7,754,048
Issue date
Jul 13, 2010
Kemira Oyj
Aarto Paren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Polymer composition for peroxide bleaching of cellulosic fibre mate...
Patent number
7,674,851
Issue date
Mar 9, 2010
Kemira Oyj
Jonni Ahlgren
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for production of paper
Patent number
6,712,934
Issue date
Mar 30, 2004
Kemira Chemicals OY
Jonni Ahlgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for preparing a cationically modified (meth)acrylamide poly...
Patent number
6,387,998
Issue date
May 14, 2002
Kemira Chemicals OY
Jonni Ahlgren
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparing a crystalline, stable sodium percarbonate
Patent number
5,603,911
Issue date
Feb 18, 1997
Kemira Oy
Timo Korvela
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
A TREATMENT SYSTEM, ITS USE AND METHOD FOR TREATING EFFLUENT AND/OR...
Publication number
20240300839
Publication date
Sep 12, 2024
KEMIRA OYJ
Veli-Matti VUORENPALO
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
A method for producing cationic saccharides
Publication number
20240217848
Publication date
Jul 4, 2024
KEMIRA OYJ
Jaakko HILTUNEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING A MODIFIED CATIONIZED POLYSACCHARIDE, MODIFIED...
Publication number
20240141075
Publication date
May 2, 2024
KEMIRA OYJ
Jaakko HILTUNEN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
STABLE CATIONIC POLYACRYLAMIDE DISPERSIONS AND USE THEREOF IN PAPER...
Publication number
20240052573
Publication date
Feb 15, 2024
KEMIRA OYJ
Marko LAAKKONEN
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD FOR PRODUCING CATIONIZED CELLULOSE AND CATIONIZED CELLULOSE
Publication number
20230014619
Publication date
Jan 19, 2023
KEMIRA OYJ
Veli-Matti VUORENPALO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TREATMENT SYSTEM COMPRISING WOOD-BASED ORGANIC MATERIAL AND ITS USE...
Publication number
20220298035
Publication date
Sep 22, 2022
KEMIRA OYJ
Sakari HALTTUNEN
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
WATER-BASED BARRIER COATINGS
Publication number
20180355204
Publication date
Dec 13, 2018
KEMIRA OYJ
Tarja Turkki
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Method for optimising material recovery in a chemical pulping process
Publication number
20180319682
Publication date
Nov 8, 2018
KEMIRA OYJ
Jonni Ahlgren
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Method for removing humic substances from an aqueous alkaline solution
Publication number
20180244549
Publication date
Aug 30, 2018
KEMIRA OYJ
Jonni Ahlgren
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR PRODUCING PAPER, BOARD OR THE LIKE AND AGGLOMERATE
Publication number
20140360691
Publication date
Dec 11, 2014
KEMIRA OYJ
Matti Hietaniemi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYMER COMPOSITION
Publication number
20110236572
Publication date
Sep 29, 2011
KEMIRA OYJ
Jonni Ahlgren
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
GYPSUM PRODUCT
Publication number
20110132560
Publication date
Jun 9, 2011
Tarja Turkki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR CONTROLLING DEPOSIT FORMATION
Publication number
20110011546
Publication date
Jan 20, 2011
Juha Rintala
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
GRAFT POLYMER LATEX AND METHOD OF PREPARING
Publication number
20100216934
Publication date
Aug 26, 2010
KEMIRA OYJ
Teppo Sahlberg
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
COATING COLOR COMPOSITION AND PAPER OR PAPERBOARD COATED WITH IT
Publication number
20100159263
Publication date
Jun 24, 2010
Jonni Ahlgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
POLYMER COMPOSITION FOR PEROXIDE BLEACHING OF CELLULOSIC FIBRE MATE...
Publication number
20100108275
Publication date
May 6, 2010
Jonni AHLGREN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
New Composition and Process for the Treatment of Fibre Material
Publication number
20080264584
Publication date
Oct 30, 2008
Aarto Paren
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Process for Manufacturing of Paper
Publication number
20080035293
Publication date
Feb 14, 2008
KEMIRA OYJ
Jonni Ahlgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Process For The Treatment Of Fibre Material And New Composition
Publication number
20080035287
Publication date
Feb 14, 2008
Seung-Hoon Lee
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Application
Bleaching of cellulosic fibre material with peroxide using polymers...
Publication number
20060144534
Publication date
Jul 6, 2006
Aarto Paren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Polymer composition for peroxide bleaching of cellulosic fibre mate...
Publication number
20060131539
Publication date
Jun 22, 2006
KEMIRA OYJ
Jonni Ahlgren
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for production of paper
Publication number
20030079848
Publication date
May 1, 2003
Jonni Ahlgren
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE