Inventor · disambiguated record
Donald Edward Putzig
Also filed as: PUTZIG DONALD E · PUTZIG DONALD EDWARD
47 granted patents·9 pending applications·753 citations·filing 1986–2012
98Inventor score
Files withDU PONT40PUTZIG DONALD E6PUTZIG DONALD EDWARD6DORF KETAL SPECIALITY CAT LLC2CLAIR JERRY D S1
Top patents by PatentIndex Score
56 records- 0195US6166170AEsterification catalysts and processes therefor and therewithDU PONT·Filed 1999·Granted Dec 26, 2000·79 cites·56 claims
- 0294US6255442B1Esterification processDU PONT·Filed 2000·Granted Jul 3, 2001·44 cites·18 claims
- 0393US6066714ATitanium-containing catalyst composition and processes therefor and therewithDU PONT·Filed 1999·Granted May 23, 2000·94 cites·50 claims
- 0492US6541598B2Composition comprising titanium and process therewithDU PONT·Filed 2002·Granted Apr 1, 2003·46 cites·34 claims
- 0592US6303738B1Esterification processDU PONT·Filed 2000·Granted Oct 16, 2001·54 cites·13 claims
- 0688US8044001B2Solid zirconium-based cross-linking agent and use in oil field applicationsDORF KETAL SPECIALITY CAT LLC·Filed 2007·Granted Oct 25, 2011·15 cites·17 claims
- 0788US7732383B2Process for stabilized zirconium triethanolamine complex and uses in oil field applicationsDU PONT·Filed 2006·Granted Jun 8, 2010·14 cites·20 claims
- 0888US7122690B1Process to prepare metal complex of N,N-bis(2-hydroxyethyl)glycineDU PONT·Filed 2006·Granted Oct 17, 2006·7 cites·17 claims
- 0987US7754660B2Process to prepare zirconium-based cross-linker compositions and their use in oil field applicationsDU PONT·Filed 2007·Granted Jul 13, 2010·12 cites·23 claims
- 1087US6774204B1Polyester and process thereforDU PONT·Filed 2002·Granted Aug 10, 2004·21 cites·22 claims
- 1185US6080834ATitanium-containing catalyst composition and processes therefor and therewithDU PONT·Filed 1999·Granted Jun 27, 2000·71 cites·57 claims
- 1284US6998462B2Polyester processDU PONT·Filed 2003·Granted Feb 14, 2006·22 cites·20 claims
- 1384US6489433B2Metal-containing composition and process therewithDU PONT·Filed 2001·Granted Dec 3, 2002·22 cites·19 claims
- 1482US7851417B2Process to prepare borozirconate solution and use as cross-linker in hydraulic fracturing fluidsDU PONT·Filed 2007·Granted Dec 14, 2010·8 cites·17 claims
- 1582US7795187B2Permeable zone and leak plugging using cross-linking composition comprising zirconium triethanolamine complexDU PONT·Filed 2006·Granted Sep 14, 2010·8 cites·14 claims
- 1682US7795188B2Zirconium-base cross-linker compositions and their use in high pH oil field applicationsDU PONT·Filed 2007·Granted Sep 14, 2010·8 cites·28 claims
- 1782US7795190B2Process to prepare borozirconate solution and use as a cross-linker in hydraulic fracturing fluidsDU PONT·Filed 2007·Granted Sep 14, 2010·8 cites·23 claims
- 1882US7683011B2Process to prepare borozirconate solution and use as cross-linker in hydraulic fracturing fluidsDU PONT·Filed 2007·Granted Mar 23, 2010·8 cites·19 claims
- 1980US7730952B2Hydraulic fracturing methods using cross-linking composition comprising zirconium triethanolamine complexDU PONT·Filed 2006·Granted Jun 8, 2010·7 cites·11 claims
- 2079US7795189B2Zirconium-hydroxy alkylated amine-hydroxy carboxylic acid cross-linking composition for use with high pH polymer solutionsDU PONT·Filed 2007·Granted Sep 14, 2010·6 cites·24 claims
- 2178US4883605AZirconium chelates and their use for cross-linkingDU PONT·Filed 1988·Granted Nov 28, 1989·37 cites·8 claims
- 2276US8518861B2Solid zirconium-based cross-linking agent and use in oil field applicationsPUTZIG DONALD EDWARD·Filed 2011·Granted Aug 27, 2013·2 cites·23 claims
- 2376US7790657B2Process to prepare borozirconate solution and use a cross-linker in hydraulic fracturing fluidsDU PONT·Filed 2007·Granted Sep 7, 2010·5 cites·23 claims
- 2475US4798902AZirconium chelates and their use for cross-linkingDU PONT·Filed 1987·Granted Jan 17, 1989·31 cites·6 claims
- 2574US6075115AProcess for the production of 5-sulfo isophthalate bis-glycolate ester metal salts and oxysulfonated polyesters made therefromDU PONT·Filed 1999·Granted Jun 13, 2000·27 cites·21 claims
- 2673US8044002B2Solid zirconium-based cross-linking agent and use in oil field applicationsDORF KETAL SPECIALITY CAT LLC·Filed 2007·Granted Oct 25, 2011·4 cites·13 claims
- 2773US7732384B2Solid borozirconate and borotitanate cross-linkersDU PONT·Filed 2007·Granted Jun 8, 2010·4 cites·21 claims
- 2873US7732382B2Cross-linking composition and method of useDU PONT·Filed 2006·Granted Jun 8, 2010·4 cites·17 claims
- 2972US8153564B2Zirconium-based cross-linking composition for use with high pH polymer solutionsPUTZIG DONALD EDWARD·Filed 2008·Granted Apr 10, 2012·3 cites·10 claims
- 3070US8252731B2Solid zirconium-based cross-linking agent and use in oil field applicationsPUTZIG DONALD EDWARD·Filed 2011·Granted Aug 28, 2012·1 cites·20 claims
- 3166US8236739B2Zirconium-based cross-linker compositions and their use in high pH oil field applicationsPUTZIG DONALD EDWARD·Filed 2007·Granted Aug 7, 2012·2 cites·28 claims
- 3266US7138356B2Alkoxylated phosphite ester and process thereforDU PONT·Filed 2004·Granted Nov 21, 2006·5 cites·11 claims
- 3364USRE39246EEsterification catalysts and processes therefor and therewithDU PONT·Filed 2002·Granted Aug 22, 2006·4 cites·136 claims
- 3463US4885103ACross-linking titanium & zirconium chelates & their useDU PONT·Filed 1988·Granted Dec 5, 1989·16 cites·14 claims
- 3562US8242060B2Stable solutions of zirconium hydroxyalkylethylene diamine complex and use in oil field applicationsPUTZIG DONALD EDWARD·Filed 2006·Granted Aug 14, 2012·0 cites·21 claims
- 3662US7049390B2Poly(1,3-propylene-co-1,4:3,6-dianhydro-D-sorbitol terephthalate) and manufacturing processDU PONT·Filed 2002·Granted May 23, 2006·5 cites·22 claims
- 3762US4808739ACross-linking titanium & zirconium chelates & their useDU PONT·Filed 1987·Granted Feb 28, 1989·15 cites·7 claims
- 3859US2007010393A1Alkoxylated phosphite ester and process thereforPUTZIG DONALD E·Filed 2006·Application pending·0 cites
- 3956US8247356B2Zirconium-based cross-linking composition for use with high pH polymer solutionsPUTZIG DONALD EDWARD·Filed 2012·Granted Aug 21, 2012·0 cites·20 claims
- 4056US7057006B2Stable aqueous solutions comprising titanium and zinc and process therewithDU PONT·Filed 2005·Granted Jun 6, 2006·0 cites·49 claims
- 4156US2008132672A1Composition comprising titanium and clay and process therewithDU PONT·Filed 2008·Application pending·0 cites
- 4254US6255441B1Titanium-containing catalyst composition and processes therefor and therewithDU PONT·Filed 1999·Granted Jul 3, 2001·16 cites·52 claims
- 4353US7226888B2Composition comprising titanium and aluminium and polyester productionDU PONT·Filed 2004·Granted Jun 5, 2007·1 cites·46 claims
- 4452US6426398B2Poly (trimethylene terephthalate) polymer compositionDU PONT·Filed 2001·Granted Jul 30, 2002·1 cites·21 claims
- 4550US4953621AOrganic titanium compositions useful as cross-linkersDU PONT·Filed 1989·Granted Sep 4, 1990·10 cites·28 claims
- 4649US2006030479A1Composition comprising titanium and clay and process therewithPUTZIG DONALD E·Filed 2004·Application pending·0 cites
- 4748US7026434B1Polyester and process thereforDU PONT·Filed 2003·Granted Apr 11, 2006·0 cites·20 claims
- 4844US2005215426A1Esterification catalyst and process therewithPUTZIG DONALD E·Filed 2004·Application pending·0 cites
- 4944US2007187098A1Permeable zone and leak plugging using cross-linking composition comprising delay agentPUTZIG DONALD E·Filed 2006·Application pending·0 cites
- 5044US2007187642A1Zirconium cross-linking composition and methods of usePUTZIG DONALD E·Filed 2006·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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