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Perttu Heiska
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Espoo, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Method for dissolving starch
Patent number
11,932,707
Issue date
Mar 19, 2024
Kemira Oyj
Asko Karppi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Granular cellulose product
Patent number
11,891,499
Issue date
Feb 6, 2024
Kemira Oyj
Juhana Ahola
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for improving rheological properties of an aqueous pigment s...
Patent number
RE46649
Issue date
Dec 26, 2017
Kemira Oyj
Esko Aarni
Information
Patent Grant
Method for improving rheological properties of an aqueous pigment s...
Patent number
RE46640
Issue date
Dec 19, 2017
Kemira Oyj
Esko Aarni
Information
Patent Grant
Method for controlling size distribution of polymer particles durin...
Patent number
9,212,247
Issue date
Dec 15, 2015
Helena Peuranen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for improving rheological properties of an aqueous pigment s...
Patent number
9,145,504
Issue date
Sep 29, 2015
Kemira Oyj
Esko Aarni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for controlling size distribution of polymer particles durin...
Patent number
9,079,995
Issue date
Jul 14, 2015
Kemira Oyj
Helena Peuranen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for improving rheological properties of an aqueous pigment s...
Patent number
8,785,550
Issue date
Jul 22, 2014
Kemira Oyj
Esko Aarni
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND PROCESS TO MODIFY POLYMERS ON-SITE THE MAIN PROCESS SITE
Publication number
20250002652
Publication date
Jan 2, 2025
KEMIRA OYJ
Perttu HEISKA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR DISSOLVING STARCH
Publication number
20230159666
Publication date
May 25, 2023
KEMIRA OYJ
Asko KARPPI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
GRANULAR CELLULOSE PRODUCT
Publication number
20210269623
Publication date
Sep 2, 2021
KEMIRA OYJ
Juhana AHOLA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD FOR CONTROLLING SIZE DISTRIBUTION OF POLYMER PARTICLES DURIN...
Publication number
20150025194
Publication date
Jan 22, 2015
KEMIRA OYJ
Helena Peuranen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR IMPROVING RHEOLOGICAL PROPERTIES OF AN AQUEOUS PIGMENT S...
Publication number
20140288216
Publication date
Sep 25, 2014
Esko Aarni
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD FOR CONTROLLING SIZE DISTRIBUTION OF POLYMER PARTICLES DURIN...
Publication number
20130184407
Publication date
Jul 18, 2013
KEMIRA OYJ
Helena Peuranen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR THE PREPARATION OF A PIGMENT-FIBRE COMPOSITE
Publication number
20120318471
Publication date
Dec 20, 2012
Tarja Turkki
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD OF PURIFYING GYPSUM
Publication number
20110044883
Publication date
Feb 24, 2011
KEMIRA OYJ
Perttu Heiska
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR IMPROVING RHEOLOGICAL PROPERTIES OF AN AQUEOUS PIGMENT S...
Publication number
20100160498
Publication date
Jun 24, 2010
Esko Aarni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
GYPSUM PRODUCT AND PROCESS FOR ITS PREPARATION
Publication number
20100062255
Publication date
Mar 11, 2010
Reijo Aksela
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING GYPSUM
Publication number
20100034727
Publication date
Feb 11, 2010
Tarja Turkki
C01 - INORGANIC CHEMISTRY