Inventor
HIETANIEMI MATTI
FI38 patents
⚠️ This page may combine multiple inventors who share the name “HIETANIEMI MATTI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KEMIRA OYJ
32 patentsUS10273634B2Apr 30, 2019
Strength agent, its use and method for increasing strength properties of paper
KEMIRA OYJ30 citations89
US9279217B2Mar 8, 2016
Method for making of paper, tissue, board or the like
KEMIRA OYJ11 citations82
US11655593B2May 23, 2023
Method for manufacturing multi-layered fibrous web and multi-layered fibrous web
KEMIRA OYJ3 citations73
US11365517B2Jun 21, 2022
Method for manufacturing a multi-layered paperboard, multi-layered paperboard and composition for use in multi-layered paperboard manufacturing
KEMIRA OYJ2 citations73
US10030335B2Jul 24, 2018
Filler aggregate composition and its production
KEMIRA OYJ2 citations72
US9080288B2Jul 14, 2015
Method for producing paper, board or the like and agglomerate
KEMIRA OYJ4 citations72
US10590604B2Mar 17, 2020
Polymer product in particle form and its use
KEMIRA OYJ2 citations71
US9809930B2Nov 7, 2017
Papermaking agent system, method for making a papermaking agent system and its use
KEMIRA OYJ3 citations71
US9982394B2May 29, 2018
Papermaking agent composition and method for treating fibre stock
KEMIRA OYJ2 citations65
US12320071B2Jun 3, 2025
Composition and its use for use in manufacture of paper, board or the like
KEMIRA OYJ1 citations63
US10844542B2Nov 24, 2020
Method for providing a pretreated filler composition and its use in paper and board manufacturing
KEMIRA OYJ2 citations63
US11518695B2Dec 6, 2022
Method for producing polymer solutions
KEMIRA OYJ0 citations62
US10767315B2Sep 8, 2020
System and method for manufacture of paper, board or the like
KEMIRA OYJ1 citations62
US11447618B2Sep 20, 2022
Polymer composition, its use and a surface size
KEMIRA OYJ1 citations61
US11427965B2Aug 30, 2022
Dry strength composition, its use and method for making of paper, board or the like
KEMIRA OYJ1 citations60
US10407831B2Sep 10, 2019
Sizing composition, its use and a method for producing paper, board or the like
KEMIRA OYJ1 citations60
US11214927B2Jan 4, 2022
Method for increasing the strength properties of a paper or board product
KEMIRA OYJ0 citations58
US11932707B2Mar 19, 2024
Method for dissolving starch
KEMIRA OYJ0 citations57
US11066546B2Jul 20, 2021
Glyoxylated polyacrylamide polymer composition, its use and method for increasing the strength properties of paper, board or the like
KEMIRA OYJ0 citations55
US11441273B2Sep 13, 2022
Use of a polymer product for deposit formation control in manufacture of paper or board
KEMIRA OYJ1 citations53
US12467204B2Nov 11, 2025
Method for on-site glyoxylation of polyacrylamide
KEMIRA OYJ0 citations51
US10781556B2Sep 22, 2020
Dry strength composition, its use and method for making of paper, board or the like
KEMIRA OYJ0 citations51
US10640923B2May 5, 2020
Method for treating starch in pulp, paper and board making processes
KEMIRA OYJ0 citations51
US10787768B2Sep 29, 2020
Method for manufacture of paper, board or the like and use of the composition
KEMIRA OYJ0 citations50
US10800869B2Oct 13, 2020
Polymer composition and its uses
KEMIRA OYJ0 citations49
US10189935B2Jan 29, 2019
Water soluble cross-linked block copolymers
KEMIRA OYJ0 citations49
US10590607B2Mar 17, 2020
Method for producing interpenetrating polymer network material, a product thereof and use of the product
KEMIRA OYJ0 citations48
US9752284B2Sep 5, 2017
Method for treating a fibre stock for making of paper, board or the like and product
KEMIRA OYJ1 citations45
US11629459B2Apr 18, 2023
Method for treating aqueous feed by dissolved gas flotation
KEMIRA OYJ0 citations44
US10584217B2Mar 10, 2020
Method for producing a material with a network of at least two polymers, a product thereof and use of the product
KEMIRA OYJ0 citations44
US10767317B2Sep 8, 2020
Method and treatment system for making of paper
KEMIRA OYJ0 citations38
US10858782B2Dec 8, 2020
Method for dewatering of sludge from a pulp, paper or board making process
KEMIRA OYJ0 citations36
METSO PAPER INC
3 patentsUS6986832B2Jan 17, 2006
Arrangement for mixing flows in papermaking process
METSO PAPER INC23 citations86
US7407563B2Aug 5, 2008
Apparatus and method in the treatment of the stock passed to a headbox of a paper machine or equivalent
METSO PAPER INC7 citations73
US6869504B2Mar 22, 2005
Apparatus for passing stock into a headbox of a paper machine or equivalent
METSO PAPER INC2 citations62