Ilkka Renvall

Person

Espoo, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of peroxy acids
- Patent number 8,828,910
- Issue date Sep 9, 2014
- Kemira Oyj
- Reijo Aksela
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composition and process for the treatment of fibre material
- Patent number 8,066,846
- Issue date Nov 29, 2011
- Kemira Oyj
- Aarto Parén
- 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
Methods for the preparation of an N-bis-[2-(1,2-dicarboxy-e...
- Patent number 6,590,120
- Issue date Jul 8, 2003
- Kemira Chemicals OY
- Reijo Aksela
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Bleaching of chemical pulp and treatment with a chelating agent
- Patent number 6,331,192
- Issue date Dec 18, 2001
- Kemira Chemicals OY
- Jukka Jäkärä
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the peracid bleaching of chelated chemical pulp
- Patent number 6,264,790
- Issue date Jul 24, 2001
- Kemira Chemicals OY
- Jukka Jäkärä
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized sodium carbonate peroxyhydrate
- Patent number 6,262,008
- Issue date Jul 17, 2001
- Kemira Chemicals OY
- Ilkka Renvall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
N-bis- or N-tris-[(1,2-dicarboxy-ethoxy)-ethyl]-amine derivatives a...
- Patent number 6,093,849
- Issue date Jul 25, 2000
- Kemira Chemicals Oy
- Reijo Aksela
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Composition and Process for the Treatment of Fibre Material
- Publication number 20100139875
- Publication date Jun 10, 2010
- Aarto Paren
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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
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
Process for preparing a stabilized sodium carbonate peroxyhydrate
- Publication number 20010048911
- Publication date Dec 6, 2001
- Timo Korvela
- C01 - INORGANIC CHEMISTRY

Ilkka Renvall

Person

Patents Grantslast 30 patents

Process for the preparation of peroxy acids

Composition and process for the treatment of fibre material

Composition and process for the treatment of fibre material

Process for the treatment of fibre material and new composition

Polymer composition for peroxide bleaching of cellulosic fibre mate...

Bleaching of cellulosic fibre material with peroxide using polymers...

Polymer composition for peroxide bleaching of cellulosic fibre mate...

Methods for the preparation of an N-bis-&#x0005B;2-(1,2-dicarboxy-e...

Bleaching of chemical pulp and treatment with a chelating agent

Process for the peracid bleaching of chelated chemical pulp

Stabilized sodium carbonate peroxyhydrate

N-bis- or N-tris-[(1,2-dicarboxy-ethoxy)-ethyl]-amine derivatives a...

Patents Applicationslast 30 patents

Composition and Process for the Treatment of Fibre Material

POLYMER COMPOSITION FOR PEROXIDE BLEACHING OF CELLULOSIC FIBRE MATE...

New Composition and Process for the Treatment of Fibre Material

Bleaching of cellulosic fibre material with peroxide using polymers...

Polymer composition for peroxide bleaching of cellulosic fibre mate...

Process for preparing a stabilized sodium carbonate peroxyhydrate

Methods for the preparation of an N-bis-[2-(1,2-dicarboxy-e...