Inventor
RENVALL ILKKA
FI14 patents
⚠️ This page may combine multiple inventors who share the name “RENVALL ILKKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEMIRA CHEMICALS OY
5 patentsUS6264790B1Jul 24, 2001
Process for the peracid bleaching of chelated chemical pulp
KEMIRA CHEMICALS OY19 citations91
US6590120B1Jul 8, 2003
Methods for the preparation of an N-bis-[2-(1,2-dicarboxy-ethoxy)-ethyl]amine derivative and products of the methods and their uses
KEMIRA CHEMICALS OY10 citations72
US6331192B1Dec 18, 2001
Bleaching of chemical pulp and treatment with a chelating agent
KEMIRA CHEMICALS OY5 citations57
US6262008B1Jul 17, 2001
Stabilized sodium carbonate peroxyhydrate
KEMIRA CHEMICALS OY3 citations57
US6093849AJul 25, 2000
N-bis- or N-tris-[(1,2-dicarboxy-ethoxy)-ethyl]-amine derivatives and preparation and use of the same
KEMIRA CHEMICALS OY4 citations56
KEMIRA OYJ
5 patentsUS8048264B2Nov 1, 2011
Composition and process for the treatment of fibre material
KEMIRA OYJ0 citations51
US7867357B2Jan 11, 2011
Polymer composition for peroxide bleaching of cellulosic fibre material and processes for peroxide bleaching
KEMIRA OYJ0 citations49
US7674851B2Mar 9, 2010
Polymer composition for peroxide bleaching of cellulosic fibre material and processes for peroxide bleaching
KEMIRA OYJ1 citations49
US7754048B2Jul 13, 2010
Bleaching of cellulosic fibre material with peroxide using polymers as a stabiliser
KEMIRA OYJ1 citations44
US7988821B2Aug 2, 2011
Process for the treatment of fibre material and new composition
KEMIRA OYJ0 citations40