Assignee
NALCO CHEMICAL CO
US·1,164 granted patents·34,095 citations·filing 1970–2001
Top patents by PatentIndex Score
1,164 records- 0199US5648508ACrystalline metal-organic microporous materialsNALCO CHEMICAL CO·Filed 1995·Granted Jul 15, 1997·345 cites·61 claims
- 0298US5171450AMonitoring and dosage control of tagged polymers in cooling water systemsNALCO CHEMICAL CO·Filed 1991·Granted Dec 15, 1992·172 cites·11 claims
- 0398US4417992ADust controlNALCO CHEMICAL CO·Filed 1982·Granted Nov 29, 1983·173 cites·14 claims
- 0498US4169337AProcess for polishing semi-conductor materialsNALCO CHEMICAL CO·Filed 1978·Granted Oct 2, 1979·164 cites·5 claims
- 0597US5411889ARegulating water treatment agent dosage based on operational system stressesNALCO CHEMICAL CO·Filed 1994·Granted May 2, 1995·165 cites·16 claims
- 0697US5342530AClay stabilizerNALCO CHEMICAL CO·Filed 1992·Granted Aug 30, 1994·201 cites·43 claims
- 0797US5230833ALow sodium, low metals silica polishing slurriesNALCO CHEMICAL CO·Filed 1992·Granted Jul 27, 1993·243 cites·54 claims
- 0897US4801388AModified acrylamide polymers used as scale inhibitorsNALCO CHEMICAL CO·Filed 1986·Granted Jan 31, 1989·117 cites·9 claims
- 0997US4783314AFluorescent tracers - chemical treatment monitorsNALCO CHEMICAL CO·Filed 1987·Granted Nov 8, 1988·227 cites·18 claims
- 1097US4269717ABoiler additives for oxygen scavengingNALCO CHEMICAL CO·Filed 1980·Granted May 26, 1981·74 cites·6 claims
- 1197US4152274AMethod for reducing friction loss in a well fracturing processNALCO CHEMICAL CO·Filed 1978·Granted May 1, 1979·114 cites·4 claims
- 1296US6372806B1Method of making colloidal silicaNALCO CHEMICAL CO·Filed 2000·Granted Apr 16, 2002·67 cites·11 claims
- 1396US5785867AMethod and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocideNALCO CHEMICAL CO·Filed 1997·Granted Jul 28, 1998·153 cites·9 claims
- 1496US5683654AProcess to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial foulingNALCO CHEMICAL CO·Filed 1996·Granted Nov 4, 1997·135 cites·52 claims
- 1596US5266186AInhibiting fouling employing a dispersantNALCO CHEMICAL CO·Filed 1990·Granted Nov 30, 1993·122 cites·16 claims
- 1696US5154713AEnhancing absorption rates of superabsorbents by incorporating a blowing agentNALCO CHEMICAL CO·Filed 1992·Granted Oct 13, 1992·128 cites·3 claims
- 1796US4992380AContinuous on-stream monitoring of cooling tower waterNALCO CHEMICAL CO·Filed 1988·Granted Feb 12, 1991·148 cites·20 claims
- 1896US4462188ASilica sol compositions for polishing silicon wafersNALCO CHEMICAL CO·Filed 1982·Granted Jul 31, 1984·138 cites·1 claims
- 1995US5374334AClass of polymeric adhesives for yankee dryer applicationsNALCO CHEMICAL CO·Filed 1993·Granted Dec 20, 1994·131 cites·14 claims
- 2095US4950692AMethod for reconstituting superabsorbent polymer finesNALCO CHEMICAL CO·Filed 1988·Granted Aug 21, 1990·125 cites·17 claims
- 2195US4929425ACooling water corrosion inhibition methodNALCO CHEMICAL CO·Filed 1988·Granted May 29, 1990·68 cites·12 claims
- 2295US4898686AZinc stabilization with modified acrylamide based polymers and corrosion inhibition derived therefromNALCO CHEMICAL CO·Filed 1987·Granted Feb 6, 1990·65 cites·9 claims
- 2395US4806345ACross-linked cationic polymers for use in personal care productsNALCO CHEMICAL CO·Filed 1985·Granted Feb 21, 1989·170 cites·16 claims
- 2495US4752628AConcentrated lapping slurriesNALCO CHEMICAL CO·Filed 1987·Granted Jun 21, 1988·78 cites·4 claims
- 2595US4451376AMulti-functional hypobromide precursorsNALCO CHEMICAL CO·Filed 1983·Granted May 29, 1984·94 cites·3 claims
- 2694US5942126AProcess to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial foulingNALCO CHEMICAL CO·Filed 1997·Granted Aug 24, 1999·86 cites·16 claims
- 2794US5494588AMethod and composition for inhibiting growth of microorganisms including peracetic acid and a second organic biocideNALCO CHEMICAL CO·Filed 1994·Granted Feb 27, 1996·169 cites·6 claims
- 2894US5417759ASet retarding additive for cement slurriesNALCO CHEMICAL CO·Filed 1994·Granted May 23, 1995·77 cites·8 claims
- 2994US5221435APapermaking processNALCO CHEMICAL CO·Filed 1991·Granted Jun 22, 1993·149 cites·23 claims
- 3094US5187219AWater soluble polyols in combination with glyoxlated acrylamide/diallyldimethyl ammonium chloride polymers as Yankee dryer adhesive compositionsNALCO CHEMICAL CO·Filed 1991·Granted Feb 16, 1993·96 cites·6 claims
- 3194US4802994ABiocide treatment to control sulfate-reducing bacteria in industrial process waste watersNALCO CHEMICAL CO·Filed 1987·Granted Feb 7, 1989·105 cites·4 claims
- 3294US4661503ASynergistic biocide of dodecyl guanidine hydrochloride and a mixture of 5-chloro-2-methyl-4-isothiazolin-3-oneNALCO CHEMICAL CO·Filed 1986·Granted Apr 28, 1987·108 cites·10 claims
- 3394US4643801APapermaking aidNALCO CHEMICAL CO·Filed 1986·Granted Feb 17, 1987·174 cites·13 claims
- 3494US4612138AStable acidic and alkaline metal oxide solsNALCO CHEMICAL CO·Filed 1983·Granted Sep 16, 1986·57 cites·11 claims
- 3594US4588421AAqueous silica compositions for polishing silicon wafersNALCO CHEMICAL CO·Filed 1985·Granted May 13, 1986·139 cites·8 claims
- 3694US4457847ACarboxylate polymers for internal scale control agents in boiler systemsNALCO CHEMICAL CO·Filed 1982·Granted Jul 3, 1984·89 cites·14 claims
- 3794US4248304ALarge scale production of inexpensive flooding polymers for tertiary oil recoveryNALCO CHEMICAL CO·Filed 1979·Granted Feb 3, 1981·61 cites·5 claims
- 3894US4151202APreparation of diallyl dimethyl ammonium chloride and polydiallyl dimethyl ammonium chlorideNALCO CHEMICAL CO·Filed 1978·Granted Apr 24, 1979·47 cites·5 claims
- 3994US4024097AStable water-in-oil emulsion polymers with small particle sizeNALCO CHEMICAL CO·Filed 1975·Granted May 17, 1977·57 cites·6 claims
- 4093US6403726B1Water soluble polymer containing dithiocarbamate functionalitiesNALCO CHEMICAL CO·Filed 2000·Granted Jun 11, 2002·43 cites·3 claims
- 4193US6372089B1Method of making paperNALCO CHEMICAL CO·Filed 2000·Granted Apr 16, 2002·62 cites·6 claims
- 4293US6365116B1Rheology modification of settled solids in mineral processingNALCO CHEMICAL CO·Filed 2000·Granted Apr 2, 2002·99 cites·9 claims
- 4393US6270722B1Stabilized bromine solutions, method of manufacture and uses thereof for biofouling controlNALCO CHEMICAL CO·Filed 1999·Granted Aug 7, 2001·104 cites·30 claims
- 4493US5922745AComposition and method for inhibiting the growth of microorganisms including stabilized sodium hypobromite and isothiazolonesNALCO CHEMICAL CO·Filed 1997·Granted Jul 13, 1999·65 cites·12 claims
- 4593US5795487AProcess to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial foulingNALCO CHEMICAL CO·Filed 1997·Granted Aug 18, 1998·92 cites·21 claims
- 4693US5658467AMethod and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocideNALCO CHEMICAL CO·Filed 1995·Granted Aug 19, 1997·117 cites·9 claims
- 4793US5597859ASeed process for salt dispersion polymerNALCO CHEMICAL CO·Filed 1995·Granted Jan 28, 1997·82 cites·14 claims
- 4893US5433863AMethod for clarifying wastewater containing surfactantsNALCO CHEMICAL CO·Filed 1993·Granted Jul 18, 1995·99 cites·16 claims
- 4993US5208216AAcrylamide terpolymer shale stabilizing additive for low viscosity oil and gas drilling operationsNALCO CHEMICAL CO·Filed 1992·Granted May 4, 1993·120 cites·20 claims
- 5093US5037579AHydrothermal process for producing zirconia solNALCO CHEMICAL CO·Filed 1990·Granted Aug 6, 1991·135 cites·20 claims
Showing the top 50 of 1,164 patent records by PatentIndex Score.
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