Inventor · disambiguated record
Patrick M. Brown
Also filed as: BROWN PATRICK · BROWN PATRICK M · BROWN PATRICK MICHAEL
26 granted patents·3 pending applications·794 citations·filing 1976–2019
97Inventor score
Files withCABOT CORP7FOOTE MINERAL CO6CYPRUS POWER COMPANY3CYPRUS FOOTE MINERAL2DOOSAN FUEL CELL AMERICA INC2
Top patents by PatentIndex Score
29 records- 0198US4036713AProcess for the production of high purity lithium hydroxideFOOTE MINERAL CO·Filed 1976·Granted Jul 19, 1977·122 cites·5 claims
- 0294US4271131AProduction of highly pure lithium chloride from impure brinesFOOTE MINERAL CO·Filed 1979·Granted Jun 2, 1981·65 cites·7 claims
- 0393US5219550AProduction of low boron lithium carbonate from lithium-containing brineCYPRUS FOOTE MINERAL·Filed 1990·Granted Jun 15, 1993·90 cites·11 claims
- 0492US7465415B2Photochromic materials derived from ring-opening monomers and photochromic initiatorsPPG IND OHIO INC·Filed 2004·Granted Dec 16, 2008·31 cites·21 claims
- 0591US4207297AProcess for producing high purity lithium carbonateFOOTE MINERAL·Filed 1978·Granted Jun 10, 1980·98 cites·6 claims
- 0690US4274834AProcess for purification of lithium chlorideFOOTE MINERAL CO·Filed 1979·Granted Jun 23, 1981·41 cites·3 claims
- 0789US8748634B2Photochromic materials demonstrating improved fade ratesCHOPRA ANU·Filed 2007·Granted Jun 10, 2014·7 cites·5 claims
- 0886US5358700AMethod of extracting zinc from brinesCYPRUS POWER COMPANY·Filed 1992·Granted Oct 25, 1994·39 cites·15 claims
- 0986US5246684AMethod of extracting zinc from brinesCYPRUS POWER COMPANY·Filed 1992·Granted Sep 21, 1993·37 cites·24 claims
- 1086US4126666AProcess for producing high purity lithium sulfideFOOTE MINERAL CO·Filed 1978·Granted Nov 21, 1978·32 cites·3 claims
- 1185US7282187B1Recovery of metal valuesCABOT CORP·Filed 1996·Granted Oct 16, 2007·43 cites·13 claims
- 1284US4980136AProduction of lithium metal grade lithium chloride from lithium-containing brineCYPRUS FOOTE MINERAL·Filed 1989·Granted Dec 25, 1990·47 cites·21 claims
- 1376US5244491AMethod of extracting zinc lead and silver from brinesCYPRUS POWER COMPANY·Filed 1992·Granted Sep 14, 1993·26 cites·27 claims
- 1476US4243392AProcess for solar concentration of lithium chloride brineFOOTE MINERAL CO·Filed 1979·Granted Jan 6, 1981·20 cites·6 claims
- 1571US6015535AProcess for producing purified cesium compound from cesium alumCABOT CORP·Filed 1997·Granted Jan 18, 2000·28 cites·7 claims
- 1668US6338832B1Process for producing niobium and tantalum compoundsCABOT CORP·Filed 1995·Granted Jan 15, 2002·21 cites·17 claims
- 1761US6436879B1Process for producing a predetermined cesium compoundCABOT CORP·Filed 1999·Granted Aug 20, 2002·17 cites·10 claims
- 1859US9006427B2Photochromic materials demonstrating improved fade ratesTRANSITIONS OPTICAL INC·Filed 2014·Granted Apr 14, 2015·0 cites·2 claims
- 1958US7276225B2Process for producing niobium and tantalum compoundsCABOT CORP·Filed 2005·Granted Oct 2, 2007·2 cites·27 claims
- 2056US11444298B2Electrolyte shunt migration management in a fuel cell stackDOOSAN FUEL CELL AMERICA INC·Filed 2019·Granted Sep 13, 2022·0 cites·12 claims
- 2156US6979429B2Method for solubilizing metal valuesCABOT CORP·Filed 2002·Granted Dec 27, 2005·2 cites·13 claims
- 2255US10689301B2Method of making a porous fuel cell componentDOOSAN FUEL CELL AMERICA INC·Filed 2018·Granted Jun 23, 2020·0 cites·19 claims
- 2355US4771246AMethod for determining the location of a leak in a pond liner formed of electrically insulating materialLEAK SENSORS INC·Filed 1986·Granted Sep 13, 1988·15 cites·6 claims
- 2455US2007278461A1Photochromic materials comprising haloalkyl groupsTRANSITIONS OPTICAL INC·Filed 2007·Application pending·0 cites
- 2551US6984370B2Process for producing niobium and tantalum compoundsCABOT CORP·Filed 2002·Granted Jan 10, 2006·1 cites·27 claims
- 2648US10633494B2Polymeric materialsCOLORMATRIX HOLDING INC·Filed 2015·Granted Apr 28, 2020·0 cites·18 claims
- 2745US4341566AEutectic mixture as a flux for glass meltsFOOTE MINERAL CO·Filed 1981·Granted Jul 27, 1982·10 cites·15 claims
- 2841US2017327660A1Thermoplastic polymers foamed with a semicarbazideCOLORMATRIX HOLDINGS INC·Filed 2015·Application pending·0 cites
- 2940US2014113997A1Polymeric materialsWINROW PHILLIP·Filed 2012·Application pending·0 cites
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