Assignee
IONICS
123 granted patents·1 pending application·6,230 citations·filing 1974–2004
Top patents by PatentIndex Score
124 records- 0198US6733636B1Water treatment method for heavy oil productionIONICS·Filed 2000·Granted May 11, 2004·212 cites·27 claims
- 0297US6582605B2Method of treating industrial waste watersIONICS·Filed 2001·Granted Jun 24, 2003·92 cites·20 claims
- 0397US5503729AElectrodialysis including filled cell electrodialysis (electrodeionization)IONICS·Filed 1994·Granted Apr 2, 1996·118 cites·32 claims
- 0497US4242185AProcess and apparatus for controlling impurities and pollution from membrane chlor-alkali cellsIONICS·Filed 1979·Granted Dec 30, 1980·84 cites·10 claims
- 0596US4505797AIon-exchange membranes reinforced with non-woven carbon fibersIONICS·Filed 1983·Granted Mar 19, 1985·115 cites·5 claims
- 0696US4217186AProcess for chloro-alkali electrolysis cellIONICS·Filed 1979·Granted Aug 12, 1980·70 cites·5 claims
- 0796US4191811AIon exchange membranes based upon polyphenylene sulfide and fluorocarbon polymeric binderIONICS·Filed 1978·Granted Mar 4, 1980·97 cites·8 claims
- 0895US6613230B2Method for simultaneous removal of arsenic and fluoride from aqueous solutionsIONICS·Filed 2001·Granted Sep 2, 2003·85 cites·17 claims
- 0995US5891328AMembrane-frame for processes including electrodialysisIONICS·Filed 1997·Granted Apr 6, 1999·121 cites·15 claims
- 1095US5693227ACatalyst mediated method of interfacial polymerization on a microporous support, and polymers, fibers, films and membranes made by such methodIONICS·Filed 1994·Granted Dec 2, 1997·161 cites·85 claims
- 1195US5147553ASelectively permeable barriersIONICS·Filed 1991·Granted Sep 15, 1992·144 cites·16 claims
- 1295US5066375AIntroducing and removing ion-exchange and other particulates from an assembled electrodeionization stackIONICS·Filed 1990·Granted Nov 19, 1991·175 cites·20 claims
- 1395US4969983AApparatus and process for the removal of acidic and basic gases from fluid mixtures using bipolar membranesIONICS·Filed 1989·Granted Nov 13, 1990·104 cites·9 claims
- 1494US5120416AIntroducing and removing ion-exchange and other particulates from an assembled electrodeionization stackIONICS·Filed 1991·Granted Jun 9, 1992·111 cites·13 claims
- 1594US5026465AElectrodeionization polarity reversal apparatus and processIONICS·Filed 1989·Granted Jun 25, 1991·152 cites·12 claims
- 1694US4871431AApparatus for the removal of dissolved solids from liquids using bipolar membranesIONICS·Filed 1988·Granted Oct 3, 1989·96 cites·17 claims
- 1794US4584075AProcess and apparatus for electrically desorbing components selectively sorbed on an electrolytically conducting barrierIONICS·Filed 1984·Granted Apr 22, 1986·96 cites·9 claims
- 1894US4298442AElectrodialysis process for silica removalIONICS·Filed 1980·Granted Nov 3, 1981·84 cites·7 claims
- 1994US4216073AIon exchange resin containing activated carbonIONICS·Filed 1979·Granted Aug 5, 1980·77 cites·12 claims
- 2093US5203976AIntroducing and removing ion-exchange and other particulates rom an assembled electrodeionization stackIONICS·Filed 1992·Granted Apr 20, 1993·107 cites·9 claims
- 2193US4731049ACell for electrically controlled transdermal drug deliveryIONICS·Filed 1987·Granted Mar 15, 1988·327 cites·9 claims
- 2293US4594135AProcess and apparatus for electrically desorbing components selectively sorbed on granulesIONICS·Filed 1985·Granted Jun 10, 1986·93 cites·18 claims
- 2392US6117297AElectrodialysis apparatusIONICS·Filed 1999·Granted Sep 12, 2000·79 cites·11 claims
- 2492US5679229AElectrodialysis including filled cell electrodialysis (electrodeionization)IONICS·Filed 1996·Granted Oct 21, 1997·68 cites·11 claims
- 2592US4707240AMethod and apparatus for improving the life of an electrodeIONICS·Filed 1986·Granted Nov 17, 1987·58 cites·21 claims
- 2692US4608140AElectrodialysis apparatus and processIONICS·Filed 1985·Granted Aug 26, 1986·86 cites·8 claims
- 2792US4322275AFractionation of protein mixturesIONICS·Filed 1980·Granted Mar 30, 1982·80 cites·37 claims
- 2891US5814197AElectrodialysis including filled cell electrodialysis (electrodeionization)IONICS·Filed 1996·Granted Sep 29, 1998·66 cites·7 claims
- 2991US5679228AElectrodialysis including filled cell electrodialysis (electrodeionization)IONICS·Filed 1995·Granted Oct 21, 1997·65 cites·11 claims
- 3091US5118717AHigh ion exchange capacity polyelectrolytes having high crosslink densities and caustic stabilityIONICS·Filed 1990·Granted Jun 2, 1992·72 cites·4 claims
- 3191US4202772AFluid distribution cell moduleIONICS·Filed 1977·Granted May 13, 1980·52 cites·21 claims
- 3290US6652758B2Simultaneous ammonia and fluoride treatment for wastewaterIONICS·Filed 2001·Granted Nov 25, 2003·42 cites·45 claims
- 3390US5037858AAnion selective polymers prepared from concentrated solutions of N,N'-methylenebisacrylamideIONICS·Filed 1990·Granted Aug 6, 1991·58 cites·7 claims
- 3489US5510394AHigh ionic conductance ion exchange membranes and their preparationIONICS·Filed 1994·Granted Apr 23, 1996·57 cites·2 claims
- 3589US5152901APolyamine-polyamide composite nanofiltration membrane for water softeningIONICS·Filed 1990·Granted Oct 6, 1992·80 cites·9 claims
- 3689US4057483AElectrodialysis apparatus and process for ion modificationIONICS·Filed 1976·Granted Nov 8, 1977·29 cites·2 claims
- 3789US3964985AElectrodialysis apparatus and process for ion modificationIONICS·Filed 1974·Granted Jun 22, 1976·27 cites·6 claims
- 3888US6645385B2System and method for removal of fluoride from wastewater using single fluoride sensing electrodeIONICS·Filed 2001·Granted Nov 11, 2003·42 cites·19 claims
- 3988US6344584B2Process for producing styrene sulfonate cationIONICS·Filed 2001·Granted Feb 5, 2002·27 cites·7 claims
- 4088US6126805AElectrodialysis including filled cell electrodialysis (electrodeionization)IONICS·Filed 1999·Granted Oct 3, 2000·57 cites·5 claims
- 4188US5264125AProcess for manufacturing continuous supported ion selective membranes using non-polymerizable high boiling point solventsIONICS·Filed 1992·Granted Nov 23, 1993·73 cites·5 claims
- 4287US4231855AElectrodialysis membranes of high interstitial molality based upon methacrylate ester derivativesIONICS·Filed 1979·Granted Nov 4, 1980·47 cites·2 claims
- 4386US4617321ASynthesis of highly cross-linked cation-exchange polymers from an aqueous solutionIONICS·Filed 1985·Granted Oct 14, 1986·43 cites·4 claims
- 4486US4614576AMicroliter scale electrodialysis apparatusIONICS·Filed 1985·Granted Sep 30, 1986·59 cites·11 claims
- 4585US6221248B1Styrene sulfonate cation exchange membraneIONICS·Filed 1998·Granted Apr 24, 2001·42 cites·6 claims
- 4684US4381232AMulti-stage electrodialysis stack electrode reversal system and method of operationIONICS·Filed 1981·Granted Apr 26, 1983·51 cites·7 claims
- 4784US4276140AElectrodialysis apparatus and process for fractionating protein mixturesIONICS·Filed 1980·Granted Jun 30, 1981·48 cites·8 claims
- 4884US4230544AMethod and apparatus for controlling anode pH in membrane chlor-alkali cellsIONICS·Filed 1979·Granted Oct 28, 1980·26 cites·16 claims
- 4984US4115225AElectrodialysis cell electrode reversal and anolyte recirculation systemIONICS·Filed 1977·Granted Sep 19, 1978·41 cites·7 claims
- 5083US7087654B2Ion exchange and electrochemical methods and devices employing one-step quaternized and polymerized anion selective polymersIONICS·Filed 2002·Granted Aug 8, 2006·20 cites·1 claims
Showing the top 50 of 124 patent records by PatentIndex Score.
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