Assignee
KEMIRA OYJ
FI·263 granted patents·143 pending applications·534 citations·filing 2000–2025
Top patents by PatentIndex Score
406 records- 0196US9605382B2Process for production of paper or boardKEMIRA OYJ·Filed 2014·Granted Mar 28, 2017·93 cites·19 claims
- 0295US9797094B2Paper and methods of making paperKEMIRA OYJ·Filed 2012·Granted Oct 24, 2017·30 cites·8 claims
- 0393US9315722B1Methods for improving friction reduction in aqueous brineKEMIRA OYJ·Filed 2012·Granted Apr 19, 2016·28 cites·12 claims
- 0492US10273634B2Strength agent, its use and method for increasing strength properties of paperKEMIRA OYJ·Filed 2015·Granted Apr 30, 2019·30 cites·16 claims
- 0591US9902904B2Tagged scale inhibiting polymer compositions and methods of inhibiting scale formationKEMIRA OYJ·Filed 2015·Granted Feb 27, 2018·9 cites·52 claims
- 0690US7915445B2Method and arrangement for the preparation of percarboxylic acidKEMIRA OYJ·Filed 2002·Granted Mar 29, 2011·68 cites·13 claims
- 0789US12332612B2Method and system for monitoring a processKEMIRA OYJ·Filed 2020·Granted Jun 17, 2025·3 cites·25 claims
- 0889US10093862B2Method for separating hydrocarbons and use of molten saltKEMIRA OYJ·Filed 2015·Granted Oct 9, 2018·8 cites·17 claims
- 0988US10626559B2Prevention of starch degradation in pulp, paper or board making processesKEMIRA OYJ·Filed 2018·Granted Apr 21, 2020·2 cites·22 claims
- 1087US11131062B2Method for producing paper, board or the likeKEMIRA OYJ·Filed 2020·Granted Sep 28, 2021·2 cites·22 claims
- 1187US9328462B2Compositions and methods of making paper productsKEMIRA OYJ·Filed 2013·Granted May 3, 2016·10 cites·9 claims
- 1286US9637865B2Method for producing polyacrylamide compositionKEMIRA OYJ·Filed 2015·Granted May 2, 2017·7 cites·10 claims
- 1386US9279217B2Method for making of paper, tissue, board or the likeKEMIRA OYJ·Filed 2013·Granted Mar 8, 2016·11 cites·20 claims
- 1485US12320071B2Composition and its use for use in manufacture of paper, board or the likeKEMIRA OYJ·Filed 2020·Granted Jun 3, 2025·1 cites·13 claims
- 1585US9617170B2Water treatmentKEMIRA OYJ·Filed 2014·Granted Apr 11, 2017·13 cites·8 claims
- 1685US9212453B2Paper and methods of making paperKEMIRA OYJ·Filed 2012·Granted Dec 15, 2015·8 cites·13 claims
- 1784US9723833B2Biocide composition and method for treating waterKEMIRA OYJ·Filed 2014·Granted Aug 8, 2017·2 cites·15 claims
- 1883US10241047B2Method for analysing a sample comprising at least a first and a second scale inhibitorKEMIRA OYJ·Filed 2017·Granted Mar 26, 2019·3 cites·15 claims
- 1982US10124277B2Process additive formulation and method for foam reduction and/or for increasing drainageKEMIRA OYJ·Filed 2014·Granted Nov 13, 2018·3 cites·13 claims
- 2082US10113005B2Method for producing dewatered microfibrillated celluloseKEMIRA OYJ·Filed 2013·Granted Oct 30, 2018·3 cites·11 claims
- 2182US9816927B2Method for analysing a sample comprising at least a first and a second scale inhibitorKEMIRA OYJ·Filed 2014·Granted Nov 14, 2017·6 cites·18 claims
- 2282US8742030B2Polyamine polyamidoamine epihaloohydrin compositions and processes for preparing and using the sameKEMIRA OYJ·Filed 2013·Granted Jun 3, 2014·6 cites·4 claims
- 2381US11655593B2Method for manufacturing multi-layered fibrous web and multi-layered fibrous webKEMIRA OYJ·Filed 2019·Granted May 23, 2023·3 cites·18 claims
- 2481US9958389B2Method for determining a scale inhibitor concentration in a sampleKEMIRA OYJ·Filed 2014·Granted May 1, 2018·4 cites·18 claims
- 2581US9556562B2Compositions used in paper and methods of making paperKEMIRA OYJ·Filed 2013·Granted Jan 31, 2017·2 cites·19 claims
- 2681US9347181B2Method for increasing paper strengthKEMIRA OYJ·Filed 2013·Granted May 24, 2016·6 cites·13 claims
- 2781US9182271B2Methods of measuring a characteristic of a creping adhesive film and methods of modifying the creping adhesive filmKEMIRA OYJ·Filed 2014·Granted Nov 10, 2015·3 cites·20 claims
- 2881US2024377312A1Method for estimating the vapor phase corrosion loadKEMIRA OYJ·Filed 2024·Application pending·0 cites
- 2980US12202756B2Method and system for controlling hydrophobic conditions and fouling in water intensive processesKEMIRA OYJ·Filed 2023·Granted Jan 21, 2025·0 cites·22 claims
- 3080US9920241B2Breakers containing iron compounds and their methods of useKEMIRA OYJ·Filed 2014·Granted Mar 20, 2018·4 cites·20 claims
- 3180US9506195B2Compositions and methods of making paper productsKEMIRA OYJ·Filed 2016·Granted Nov 29, 2016·3 cites·14 claims
- 3279US2024124711A1High stability polymer compositions with siloxane polyether compounds for enhanced oil recovery applicationsKEMIRA OYJ·Filed 2023·Application pending·0 cites
- 3378US12454796B2Pulp quality monitoringKEMIRA OYJ·Filed 2023·Granted Oct 28, 2025·0 cites·8 claims
- 3478US10919847B2Process for the preparation of arylsulfonylpropenenitriles by photocatalytic reactionsKEMIRA OYJ·Filed 2018·Granted Feb 16, 2021·2 cites·11 claims
- 3578US9580865B2Method for dissolving cationic starch, papermaking agent and its useKEMIRA OYJ·Filed 2013·Granted Feb 28, 2017·2 cites·16 claims
- 3678US9278874B2Prevention of starch degradation in pulp, paper or board making processes using zinc ions and an oxidizing biocideKEMIRA OYJ·Filed 2012·Granted Mar 8, 2016·2 cites·5 claims
- 3778US7727359B2Temporary wet strength resin for paper applicationsKEMIRA OYJ·Filed 2009·Granted Jun 1, 2010·3 cites·9 claims
- 3878US2024101908A1Method and composition for treating tailingsKEMIRA OYJ·Filed 2023·Application pending·0 cites
- 3977US11365138B2Polymer flooding produced water treatmentKEMIRA OYJ·Filed 2018·Granted Jun 21, 2022·1 cites·6 claims
- 4077US11001513B2Compositions of dry acid polymers and uses thereofKEMIRA OYJ·Filed 2017·Granted May 11, 2021·1 cites·31 claims
- 4176US11365517B2Method for manufacturing a multi-layered paperboard, multi-layered paperboard and composition for use in multi-layered paperboard manufacturingKEMIRA OYJ·Filed 2019·Granted Jun 21, 2022·2 cites·15 claims
- 4276US11279866B2Boosters for breakers containing iron compoundsKEMIRA OYJ·Filed 2020·Granted Mar 22, 2022·1 cites·14 claims
- 4376US10914679B2Method for determining a scale inhibitor concentration in a sampleKEMIRA OYJ·Filed 2018·Granted Feb 9, 2021·1 cites·25 claims
- 4476US9421556B2Depressants for mineral ore flotationKEMIRA OYJ·Filed 2015·Granted Aug 23, 2016·3 cites·7 claims
- 4576US9080288B2Method for producing paper, board or the like and agglomerateKEMIRA OYJ·Filed 2013·Granted Jul 14, 2015·4 cites·22 claims
- 4676US2024376668A1Starch fixation and retention in recycled fiber systemsKEMIRA OYJ·Filed 2024·Application pending·0 cites
- 4775US10988392B2Method and system for optimization of coagulation and/or flocculation in a water treatment processKEMIRA OYJ·Filed 2017·Granted Apr 27, 2021·1 cites·22 claims
- 4875US10378154B2Composition for use as a paper strength agentKEMIRA OYJ·Filed 2016·Granted Aug 13, 2019·2 cites·21 claims
- 4975US9562326B2Compositions and methods of making paper productsKEMIRA OYJ·Filed 2014·Granted Feb 7, 2017·3 cites·15 claims
- 5075US2025382205A1Compositions and methods for treating wastewaterKEMIRA OYJ·Filed 2025·Application pending·0 cites
Showing the top 50 of 406 patent records by PatentIndex Score.
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