Assignee
EKA CHEMICALS AB
SE·34 granted patents·634 citations·filing 1994–2003
Top patents by PatentIndex Score
34 records- 0186US5858174AProcess for the production of paperEKA CHEMICALS AB·Filed 1996·Granted Jan 12, 1999·68 cites·20 claims
- 0280US5961948AMethod of producing hydrogen peroxideEKA CHEMICALS AB·Filed 1997·Granted Oct 5, 1999·47 cites·10 claims
- 0380US5842150AMethod of determing the organic content in pulp and paper mill effulentsEKA CHEMICALS AB·Filed 1995·Granted Nov 24, 1998·68 cites·16 claims
- 0479US6103064AProcess for the production of paperEKA CHEMICALS AB·Filed 1998·Granted Aug 15, 2000·48 cites·22 claims
- 0574US6100322AProcess for the production of paperEKA CHEMICALS AB·Filed 1998·Granted Aug 8, 2000·33 cites·20 claims
- 0671US6113741AProcess for the production of paperEKA CHEMICALS AB·Filed 1997·Granted Sep 5, 2000·43 cites·24 claims
- 0770US5846384AProcess for the production of paperEKA CHEMICALS AB·Filed 1996·Granted Dec 8, 1998·40 cites·18 claims
- 0869US6174383B1Method at treatment of metalsEKA CHEMICALS AB·Filed 1998·Granted Jan 16, 2001·23 cites·10 claims
- 0969US5932000AMethod for preparation of a hardening compositionEKA CHEMICALS AB·Filed 1997·Granted Aug 3, 1999·24 cites·20 claims
- 1069US5788815AProcess for the production of paperEKA CHEMICALS AB·Filed 1996·Granted Aug 4, 1998·19 cites·10 claims
- 1167US5876562ASizing dispersionsEKA CHEMICALS AB·Filed 1995·Granted Mar 2, 1999·26 cites·16 claims
- 1263US5886216AMethod for producing a chemical productEKA CHEMICALS AB·Filed 1997·Granted Mar 23, 1999·10 cites·20 claims
- 1362US5929015ABleaching agentEKA CHEMICALS AB·Filed 1995·Granted Jul 27, 1999·18 cites·23 claims
- 1459US5961803ALeaching processEKA CHEMICALS AB·Filed 1996·Granted Oct 5, 1999·13 cites·14 claims
- 1558US6087457ASurface sizing of cellulose based productsEKA CHEMICALS AB·Filed 1996·Granted Jul 11, 2000·29 cites·20 claims
- 1655US5902783ABleaching agentEKA CHEMICALS AB·Filed 1994·Granted May 11, 1999·16 cites·12 claims
- 1755US5810939AMethod at treatment of metalsEKA CHEMICALS AB·Filed 1996·Granted Sep 22, 1998·12 cites·8 claims
- 1854US7576034B2Crosslinked three-dimensional polymer network, method for preparing same, support material comprising same and uses thereofEKA CHEMICALS AB·Filed 2002·Granted Aug 18, 2009·2 cites·21 claims
- 1954US6255272B1Bleaching agentEKA CHEMICALS AB·Filed 2000·Granted Jul 3, 2001·1 cites·13 claims
- 2051US7825240B2Cross-linked polymers based on bis-silane, bis-thioether, bis-sulphoxide, bis-sulphone and butane-di-yl derivatives of polysaccharides and oligosaccharides, and their shaping as support materialsEKA CHEMICALS AB·Filed 2003·Granted Nov 2, 2010·0 cites·22 claims
- 2151US5885953AChemical compositionEKA CHEMICALS AB·Filed 1997·Granted Mar 23, 1999·18 cites·10 claims
- 2251US5792315APurifying aqueous effluent from a pulp mill using electro chemical membrane deviceEKA CHEMICALS AB·Filed 1996·Granted Aug 11, 1998·10 cites·12 claims
- 2346US5846922ABleaching agentEKA CHEMICALS AB·Filed 1995·Granted Dec 8, 1998·10 cites·29 claims
- 2445US7067640B1Cross-linked chiral compounds and methods of making thereofEKA CHEMICALS AB·Filed 2000·Granted Jun 27, 2006·0 cites·20 claims
- 2545US5985235AMethod of treating a catalystEKA CHEMICALS AB·Filed 1996·Granted Nov 16, 1999·15 cites·22 claims
- 2641US5938894AAbsorbent cellulosic material and production thereofEKA CHEMICALS AB·Filed 1997·Granted Aug 17, 1999·8 cites·13 claims
- 2740US5808053AModificaton of starchEKA CHEMICALS AB·Filed 1997·Granted Sep 15, 1998·9 cites·12 claims
- 2839US5876579AElectrodialysis treatmentEKA CHEMICALS AB·Filed 1997·Granted Mar 2, 1999·5 cites·21 claims
- 2934US6071431ABleaching agentEKA CHEMICALS AB·Filed 1995·Granted Jun 6, 2000·4 cites·19 claims
- 3030US5747171AMethod of protecting a surfaceEKA CHEMICALS AB·Filed 1996·Granted May 5, 1998·3 cites·23 claims
- 3127US6083347AAbsorbent material and production thereofEKA CHEMICALS AB·Filed 1997·Granted Jul 4, 2000·3 cites·10 claims
- 3227US5827811ABleaching agentEKA CHEMICALS AB·Filed 1995·Granted Oct 27, 1998·3 cites·29 claims
- 3324US5800603AZeolite dispersionEKA CHEMICALS AB·Filed 1997·Granted Sep 1, 1998·1 cites·8 claims
- 3421US5916447AMethod for water treatmentEKA CHEMICALS AB·Filed 1997·Granted Jun 29, 1999·5 cites·8 claims
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