Perttu Heiska

Person

Espoo, FI

People

Patents Grantslast 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 Applicationslast 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

Perttu Heiska

Person

Patents Grantslast 30 patents

Method for dissolving starch

Granular cellulose product

Method for improving rheological properties of an aqueous pigment s...

Method for improving rheological properties of an aqueous pigment s...

Method for controlling size distribution of polymer particles durin...

Method for improving rheological properties of an aqueous pigment s...

Method for controlling size distribution of polymer particles durin...

Method for improving rheological properties of an aqueous pigment s...

Patents Applicationslast 30 patents

METHOD AND PROCESS TO MODIFY POLYMERS ON-SITE THE MAIN PROCESS SITE

METHOD FOR DISSOLVING STARCH

GRANULAR CELLULOSE PRODUCT

METHOD FOR CONTROLLING SIZE DISTRIBUTION OF POLYMER PARTICLES DURIN...

METHOD FOR IMPROVING RHEOLOGICAL PROPERTIES OF AN AQUEOUS PIGMENT S...

METHOD FOR CONTROLLING SIZE DISTRIBUTION OF POLYMER PARTICLES DURIN...

PROCESS FOR THE PREPARATION OF A PIGMENT-FIBRE COMPOSITE

METHOD OF PURIFYING GYPSUM

METHOD FOR IMPROVING RHEOLOGICAL PROPERTIES OF AN AQUEOUS PIGMENT S...

GYPSUM PRODUCT AND PROCESS FOR ITS PREPARATION

PROCESS FOR PRODUCING GYPSUM